Guarda un po' questo software

http://www.verypdf.com/pdfinfoeditor/



# Does NOT need Adobe Acrobat software
# It has the ability to change the page size and page content in your PDF files
Set page size to A3, A4, Letter, B4, B5, Legal, Custom Size
Scale the page size and page content
Rotate the page and page content (0, 90, 180, 270, 360, any angle)
Set the page margin, page offset
It has the ability to set available pages range