The cases then nothing can't solve your issue, to open or to repair .pdf document, then take a look at especial instrument unlike to others like adobe pdf repair tool
The article or guide you may call as you want contains useful information - https://helpx.adobe.com/acrobat/kb/troubleshoot-pdf-printing-acrobat-reader.html
This is the source of manual below: http://itknowledgeexchange.techtarget.com/itanswers/how-can-i-fixrepair-a-corrupted-pdf-file/
Ghostscript will repair your corrupted PDF automatically… if it can open it in the first place (that is, if it is not damaged beyond repair). But afterwards you’ll still need to double-check the result…
On Windows, try this one:
gswin32c.exe ^
-o repaired.pdf ^
-sDEVICE=pdfwrite ^
-dPDFSETTINGS=/prepress ^
corrupted.pdf
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HeinzReichenau's post in All my friends use pdf documents was marked as the answer