03-09-2019, 07:12 PM
First you need to know what the protection is (is it only protected to not-print the document or not-edit the document, or is the whole document encrypted ?).
After that you should use pdf2john.pl perl script from https://raw.githubusercontent.com/magnum...df2john.pl to extract the hashes from your document.
Example hashes and all pdf-related hash types can be found here : https://hashcat.net/wiki/example_hashes
After that you should use pdf2john.pl perl script from https://raw.githubusercontent.com/magnum...df2john.pl to extract the hashes from your document.
Example hashes and all pdf-related hash types can be found here : https://hashcat.net/wiki/example_hashes