The most significant issue is the ( .mkv.mp4 ).
Double extensions are sometimes used to hide malware (e.g., file.mp4.exe ), though in this context, it is likely just a naming glitch. doom.patrol.s04e02.1080p.web.h264-glhf.mkv.mp4
They typically release in .mkv . The presence of .mp4 at the end of this specific filename is likely a user-end error or a "repack" by a third party. The most significant issue is the (