(This one-by-one password removal software can unlock encrypted pdf documents. This information includes the following attachments:
PDF Password Removal Software\help\help_1.png
PDF Password Removal Software\help\help_2.png
PDF Password Removal Software\help\help_3.png
PDF Password Removal Software\help\logo.gif
PDF Password Removal Software\help.htm
PDF Password Removal Software\skin.smf
PDF Password Removal Software\SkinMagic.dll
PDF password removal software\winDecrypt.exe
.....)