I've seen plenty of deer shot on video that spurted blood at the first move after impact........A couple Drury vids come to mind recently where they are shooting Rage heads.
That picture absolutely looks legit to me, its the split second right before the legs come back on a "Mule Kick"

I do love the every so often reiteration of it being fake because you can see through the deer. LOL does anybody actually read the responses before they post?

And for what its worth the kid and the deer are from Wisconsin not South Carolina.