If it will not show and will make nothing then try the PDF Repair Kit to repair broken pdf. http://www.adobepdf.repair/

Try to rasterize in Adobe Photoshop or try to open file with Adobe Illustrator. Try to check the file using CDChek. It will check the file and CRC. In case of discrepancy, the program will ignore the failing bytes. And all that in normal condition sh...

I also can not add avatar. and couldn't even comment to leave in the topic.

I think it's best to contact support. it would be safer.