Namena (opis sa Softpedije) :

" PDF Decrypter Pro can be used to decrypt protected PDF files, which have "owner" password set, preventing the file from editing (changing), printing, selecting text and graphics (and copying them into the Clipboard), or adding/changing annotations and form fields."

PDF decrypt is done instantly. Decrypted file can be opened in any PDF viewer (e.g. Adobe Acrobat Reader) without any restrictions with print / copy / edit functions enabled. All versions of Adobe Acrobat are supported. PDF Decrypter Pro does not require any kind of third-party software.
Support Windows 98, ME, NT, 2000, XP, 2003, Windows Vista and Windows 7.
Remove the security settings from your encrypted PDF file is instant.
Support PDF1.8 format (formerly only supported by Acrobat 9.0 application).
Support including 40-bit RC4 decryption, 128-bit RC4 decryption, AES decryption, compressed files and unencrypted metadata.
Decrypt protected Adobe Acrobat PDF files, removing restrictions on printing, editing, copying.
Support drag and drop PDF files.
Full install / uninstall support."

     

Adresa autora :
 
PDF dekripter

Adresa na Softpediji (program ocenjen kao vrlo dobar 4,5 ) :

http://www.softpedia.com/get/Office-tools/PDF/PDF-Decrypter-Pro.shtml

Narednih 30 dana možete skinuti i registrovati program preko giveaway stranice :

besplatno skidanje + registracija 

P.S.

Mala napomena...Program je sasvim legalan i poznat,ali (obzirom da je u pitanju password-cracker) može izazvati "komešanje" kod vašeg anti-virusa (npr. moj KIS 2010 prijavljuje "legalnu aplikaciju koju pirati mogu iskoristiti za bla-bla-bla...").