Questions tagged [pdf]

PDF (Portable Document Format) is a filetype that represents a document. The PDF format was originally a closed format developed by Adobe, but became an open standard in 2008.

PDF (Portable Document Format) is a filetype that represents a document. The PDF format was originally a closed format developed by Adobe, but became an open standard in 2008.

PDF is fairly widely used for the storage and transfer of documents that are principally designed to be viewed and archived (e.g. invoices, quotes, documentation). However, the PDF standard does support editable fields, so PDF documents are sometimes seen acting as forms for the request and submission of data. The inclusion and growth of such interactive functionality has led to some fairly serious security vulnerabilities in PDF renderers, where a malformed PDF document can be used to attack a system with a vulnerable PDF reader.

Systems that automatically generate PDFs from a set of data are quite common, although developing this functionality and interacting with various libraries that allow this can be quite challenging. Similarly, systems that automatically ingest and parse PDF documents can be difficult to develop, given the large and varied PDF specification.

More details about the format can be found over at Adobe.

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Possible to upload weblogs to Google Analytics?

It's always bothered me that Google Analytics (and similar embedded web traffic monitoring services) can only see a reflection of the traffic going to my server and can only see page visits. If I want to track real downloads of a software package,…
Eric Falsken
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Want to provide a facility to update a PDF file from within a website

We tend to issue certificates to our members in the form of PDF files. Till now we have been doing this manually and now we wish to automate the certificate generation part. We need a functionality whereby my site members should be prompted for the…
Ankur Jain
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cat, pipe, and acroread - why is it failing occasionally?

in a simple shell script I'm trying to run this command: cat /filelocation/myoutput.PDF | /opt/Adobe/Acrobat7.0/bin/acroread -toPostScript Under most circumstances this is working. Occasionally however, I'm getting an error: lp: standard input is…
John Barry
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pdftotext not outputting hebrew characters

I'm using Xpdf's pdftotext to get the text out of some hebrew pdf files on Ubuntu. On my local machine this worked fine. I then tried to do it on another machine and the hebrew characters don't show up in the text file. I verified that I have the…
Ofri Raviv
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Extract Pages from Other PDF Files into a New PDF File

I would like to extract pages from various PDF files and create a new PDF file from those pages. What tool(s) should I use?
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Is IRM preventing Office365-generated PDFs from being searchable?

We have an intranet on which users often post information as PDFs. Many of these PDFs are non-searchable. That is, they appear to be images (text is not selectable/searchable, SharePoint search unable to index the contents). However, some are…
TommyPeanuts
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Serve pdf file by location in nginx

I'd like to serve a unique pdf file by location in nginx. I followed the instruction here: https://stackoverflow.com/questions/42023339/serve-pdf-file-by-location-in-nginx and I did: location /xxx-privacy-disclosure/ { alias…
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How does one wire CUPS to accept print jobs via TCP/IP at 9100 and pass through to pdf-cups?

OS FreeBSD-12.1 CUPS-2.3.3 My goal is to get CUPS to listen for TCP/IP connections on 9100, or any arbitrary ip address and tcp port for that matter, passing the incoming RAW spool file to the cups-pdf filter. After which a cron job or listener…
James B. Byrne
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Adobe Acrobat 8 Professional Randomly Opens a PDF on Windows 2008 Server

I have a Windows 2008 server serving as a terminal server for a small team. The server randomly opens the same PDF file "consistently sometimes" when you double-click another PDF. Both PDFs open. This happens for multiple users. This has been…
Justin
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PDF Corruption When Sending with Microsoft Products

I have the same PDF corruption problem in two different offices that I am the tech support for. Office 1: Started in the middle of December. PDF received from outside the office and is viewable with no problems. I have no control over how it is…
Winner
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[Wordpress][htaccess] Prevent not logged in users access to pdf, doc, docx, odt files

i have the following code on my htaccess, it works for all users but i want deny access only to not logged in Wordpress users, anyone can help me? Thanks! RewriteEngine on RewriteCond %{HTTP_REFERER} !^http://(www\.)?localhost [NC] RewriteCond…
Jakkah
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how to remove password from pdf documents?

I recently bought membership to a online course. It has hundreds of PDFs, and each PDF has a password, a DIFFERENT password at that. It is too late to get a refund, and I plan to use that knowledge from those PDFs anyway. Anyway, I don't have…
user187809
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Extract Pages from Various PDF Files into New PDF File

From a.pdf, I would like pages 2 and 5 b.pdf, pages 3 and 4 c.pdf, pages 7, 8, and 9 copied into a new PDF file. All input pdf files are ten pages long. I'm using bash, and plan to make many documents like this (with different input files and…
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How to sort a file in unix?

I want to know how to sort a file in an unix shell? Is there any tools outta there?
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How do I protect a PDF document with a password that varies from one opening device to another?

I'm a creative writer and I sell my works online. Normally, I would save a finished product into a PDF file, which I would protect by setting a password for it. However, I found that some bad actors first bought a work from me and obtained the…
seamos
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