Now you mention it that screenshot does look like some really well made animation! I think that might be due to the soft bland lighting.
I didn't want to say what country it's from since It could probably be easily googled but since people are struggling i will.
It's french, and if it's not guessed by tomorrow night i'll choose someone at random to post.
A bit late but It was a film called Martyrs (2008) I think I may have posted this before actually,
Shame there wasn't a single guess.
Hmm the first person to see this can post,
also happy spookyweeeeeeeen