He stupidly sent one to me as well. I usually just ignore them but three other people reported the message too so he got a temp ban. This is his second ban as well. Not sure what the first was for but probably the same or unsolicited PMs (which this is also).
There is also multi-bumping in their thread:
https://bitcointalk.org/index.php?topic=4431900I reported some posts but there is tons more.