Auto-Download Portable Document File

[walterab]

The URL is: 

https://www.google.com/search?source=ig&hl=en&rlz=1G1SNNT_ENUS338&q=+ADA540139.pdf+&btnG=Google+Search

The malware alert is:  This type of file can harm your computer. Do you want to keep ADA540139.pdf anyway?

The download came from the webpage and not the results of the Google Search object.

[dlipman]

There is no threat.  There is nothing malicious about the PDF.  Mara Salvatrucha is the threat to national security which is highlighted in this Defense Technical information Document.