Attempt to remove passwords from your PDF files. There is an option to remove by brute force or by a dictionary file. Brute force will guess at the password based on a character set and a minimum/maximum number of characters that you specify. The dictionary option will guess at the password based on words listed in a text file.
Do-download.com do not supply any crack, patches,torrent, password, serial numbers, registration codes, key generators, cd key, hacks or keygen for the software,and please consult directly with program authors (Sobolsoft) if you have any problem with the software.