Not just blood, but other fluids sink in a corpse. That would mean not all his face, but hands and the rest of the body that is upwards will not just look extra pale, but particularly gaunt.
I saw the reverse last year, makeup yes, but the rest no as there was no wake, just one viewing the day of funeral. The person looked quite different.
Plus if they really wanted to fake it, there are plenty of bodies that they can use to which they can attach a fake head to.
Also notice her hands, the detail is a bit lacking, and they look a bit unnaturally smooth as well, even as they move. The video isn't exactly exceedingly high resolution HD.