Files found on unverified third-party sharing sites frequently carry "wrappers" or Trojan horse malware designed to look like video files.
The "xxx" and "COLLECTION" tags strongly suggest a compilation of adult-oriented video clips. The "v608" likely refers to a specific version number or internal archive code used by the uploader. Source Analysis NWOxxxCOLLECTIONv608mp4
MP4 (MPEG-4 Part 14), a standard digital multimedia container format used for video and audio. NWOxxxCOLLECTIONv608mp4
Re-uploaded clips from various performers or studios. NWOxxxCOLLECTIONv608mp4