Malware spam with "nm.pdf" attachment

Forensics
1

Currently underway is a malicious spam run with various subjects, for example:

Scan_5902Document_10354File_43359

Senders are random, and there is no body text. In all cases there is a PDF attached named nm.pdf with an MD5 of D4690177C76B5E86FBD9D6B8E8EE23ED or 6B305C5B59C235122FD8049B1C4C794D (and possibly more). Detection rates at VirusTotal are moderate [1] [2].

The PDF file contains an

Article Link: http://blog.dynamoo.com/2017/05/malware-spam-with-nmpdf-attachment.html