PDF Password Cracker Professional |
| PDF Password Cracker Professsional edtion can search for password with brute-force and dictionary attacks, effectively optimized for speed.. |
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 Supports PDF 1.7 (Acrobat 8.x) files, including 40-bit/128-bit RC4 decryption, compressed files and unencrypted metadata. |
| Supports Adobe Standard 40-bit Encrytion and Advanced 128-bit Encryption |
| Recovers user password required to open the file. |
| No need Adobe Acrobat software and run on all Windows System. |
PDF Password Cracker Professional |
PDF Password Cracker Professional edition has Key search attack, which guarantees the decryption (regardless the password length and complexity) of PDF files that use 40-bit encryption (the attack takes about 3-4 days on fast CPU systems). |
| User interface of PDF Password Cracker Professional |
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| Load: Open PDF file for retrieve password. |
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| Decrypt: Decrypt current PDF file. |
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| Three types of attack: |
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| Brute-force: Brute force attack for PDF file. |
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| Dictionary: Construct user password from a dictionary file. |
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| Key search: Search file key for a 40-bit encryption PDF file, the key length is 40 bits, so the total number of keys is 2^40, or 1,099,511,627,776, the whole recovery process takes about 30 days on PIII-450 computer, and the average is just 15 days. |
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PDF Password Cracker can help you |
Drag and drop PDF files. |
| Recovers user password required to open the file. |
| Program automatically saves password search state and can resume after a stop or a crash. |
| Brute-Force, or Dictionary attacks are used to recover the password. |
| Patterns can be used to minimize search time if any part of the password is known. |
| All caps latin (A-Z): ABCDEFGHIJKLMNOPQRSTUVWXYZ |
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| All small latin (a-z): abcdefghjiklmnopqrstuvwxyz |
| All digits (0-9): 0123456789 |
| All special symbols (!@...): `~!@#$%^&*()-_=+\|,./<>?;:'"[]{} |
| Space: Space character |
| All printable: ABCDEFGHIJKLMNOPQRSTUVWXYZabcdefghjiklmnopqrstuvwxyz0123456789 `~!@#$%^&*()-_=+\|,./<>?;:'"[]{} |
| User defined characters: User defined characters for construct passwords |
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| Minimal password length: Minimal length for passwords. |
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| Maximal password length: Maximal length for passwords. |
| Start from: First password to be tried. |
| End at: Last password to be tried. |
| Dictionary file path: Load a dictionary file for dictionary attack. |
| Try all possible upper/lower case combinations: Construct passwords from dictionary file automatically. |
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