Hozu
RNGenius
Don't even. Firstly, most known Wondercard events don't get the additional ribbon attached, period. Secondly, it's (fairly) widely known that the ribbon can be avoided.unless you downloaded it . It will have a premier ribbon- so you cannot trade it . ( mine Golurk doesn't)
Pokecheck is to check if the pokemon is hack or not .
http://www.serebii.net/events/dex/623.shtml this golurk
DarthVader - here is a link the original Golurk (note the number at the end of the URL).