Open directories are the Wild West. There is no quality control. The file titled I.Saw.the.Devil.2010.1080p.mkv could easily be a disguised executable file containing ransomware, a keylogger, or a bitcoin miner. You are trusting a stranger’s misconfigured server with your system’s security.
Furthermore, law firms monitor high-volume torrent and index searches to send mass settlement letters. While rare for a single film, it is not impossible. index of i saw the devil