PDFs from government unsafe Using the insecure Adobe Acrobat Reader!!! OVER 1000 backdoors tracked by security researchers!!!: Proof list : https://www.cvedetails.com/vulnerability-list.php?vendor_id=53&product_id=497 OMG!!! Click on " CVSS Score Descending", in sort area, and look at 400 RED COLOR exploits! tainted PDFs under Adobe products install things deep into your Operating System and flash your MotherBoard Bios after a sleep/wake, and also hide stuff on your boot EFI partition loaded before your OS loads. You basically have to throw away your machine if you ever use Adobe Acrobat even one time. Foxit may help.