Escape from Arkham: Wishful thinking?

So the above artwork, obviously a play on the FRIDAY THE 13th teaser, has been appearing mysteriously in the comments sections of many blogs. Is it fan-art? Probably? Is it another example of the under-the-radar viral marketing that TDK did in spades? Either way, it's extremely cool, and I'd love to have it hanging on my wall. Thoughts?