The host at this IP address (13.79.147.155) is either operated by cybercriminals or hosting compromised websites that are being used to distribute malware:
http://pbooks.equator-test.com/_wpeprivate/QAAXZ/t-69345-945231-m85ej3-6p57m9/
AS number: AS8075
AS name: MICROSOFT-CORP-MSN-AS-BLOCK