: A genuine video file should generally be several megabytes; a very small file (KBs) labeled as an .mp4 is a significant red flag.
: It may refer to a "Screen Shot" (SS) or a specific scene/episode (01) involving a character named Nina (e.g., from Code Geass , Breath of Fire , or Tekken ).
: Files ending in .mp4 can sometimes be used to mask malware or "zip bombs."
: The name is generic enough to be a private file or a specific asset in a digital library. Security Warning
If you encountered this file name on a suspicious website or as an unsolicited download: