It's actually pretty good - but too get it more spooky I'd perhaps try and make it more soft-edged. You could maybe experiment with the Fuzzy material settings? In general the spookiness of the thing will largely depend on the setting you place it in - I probably wouldn't runaway if I saw if it a McDonalds but if I turned a corner in a moon-lit graveyard and saw it it would be a different story! Context is everything. I think it might be improved if there were some sort of recognisable face - however abstract or ghoulish - that I could recognise in it... K.