The torrent in question is a copy of the Smurfs 2 film and is tagged “The Smurfs 2 (2013) 2160p UHD Blu-ray HEVC Atmos 7.1-THRONE.” This suggests that AACS 2.0 may have been “cracked” although there are no further technical details provided at this point.
Source: ‘First Pirated Ultra HD Blu-Ray Disk’ Appears Online. AACS 2.0 Cracked? – TorrentFreak