"Was playing unranked doubles with a friend, then this guy: http://gtm.steamproxy.vip/profiles/76561198343348799/ said he knew how to duplicate, he added me then we had this chat.
-When I said "Lmao nice try scammer" I just faked accepting trading my Parallax.

For anyone searching for his profile http://gtm.steamproxy.vip/profiles/76561198343348799/"