My friend Jazzy which just got banned because of posting phishing links is not him! He got his account hijacked and the hacker posted those from his account. http://forums.steamrep.com/threads/76561198082794151-chaliy.27853/
http://www.tf2outpost.com/trade/10147421 here is his last trade, read the first post. There is this guy that got banned too and I think he followed the phishing link too and the stupid hacker used his account to post it there.

I think I have found the real hacker https://steamhost.cn/steamcommunity_com/profiles/76561198023557228 look at my friend's hat item history on his last trade on OP. This guy comes up.