No Preps or third party tool required to manipulated pagebox in Acrobat.
Resize Pages Tool This Toolbar Button resizes any of the PDF page boxes for a specified page range by anchoring one edge or corner of the page. Good for fixing up scanned PDFs and used to in Prepress
download required file thru given below link and follow instruction for how to install is given in the zip file
and if you feel something good and comment give atleast thankx.