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I have a PDF file that is 4 pages, and I'd like to delete two of them, but when I try to do so using Preview I get an error warning that says "This action is prohibited in this document" or something like that. So I'd like to strip away whatever permissions or lock that this PDF has so I can make changes to it.
 
Unfortunately that doesn't seem to work. When you print, it doesn't give you the option to save as PDF (as all other print menus do in os x). It just has the option to save as postscript.
 
Is it a confidential/copyrighted document, or is it freely available? Are you able to attach it or post a link to it?
 
This is it:

http://www.uscis.gov/files/form/i-9.pdf

I'm just trying to get pages 4 and 5 in a standalone PDF. I could print it and scan those two pages as a PDF, but then I lose the form features.
I was able to easily download that file, open in Preview, print and save as a PDF, open in Preview, delete the first 3 pages and re-save. It was simple!
ScreenCap 8.PNG
Here you go: View attachment i-9 .pdf
 
Thank you! How on earth did you do that?

I opened it up in Preview, did a File > Save As, and deselected Encrypted. Then I opened the resulting file and removed the first 3 pages.

I was able to easily download that file, open in Preview, print and save as a PDF, open in Preview, delete the first 3 pages and re-save. It was simple

The form fields don't work with your version. Also, I wonder why it let you print to PDF because it was greyed out for me (and sir42).
 
Solution

This worked for me to remove the permissions from the newest I9 form but I use Foxit:

Click the protect tab
Choose password protect
Assign a password to open the document and add document restriction
Click ok and save the document

When the password prompt pops up, use the password that you created for the document restriction.
 
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