Sometimes automated "video downloader" extensions save files with generic titles and a number in parentheses if multiple files are grabbed at once.
If the file is already on your system and you are curious but want to stay safe: Hot Girls (51) mp4
Attackers name files using popular search terms or suggestive themes to trick users into downloading and opening them. If the file is very small (e
A standard .mp4 video is usually several megabytes to gigabytes. If the file is very small (e.g., under 1MB), it is likely a script or a shortcut, not a video. High Malware Risk Generic, "clickbait" filenames like this
Searching for specific filenames like usually points toward a few common (and often risky) scenarios. Since this isn't a known film or viral video title, 1. High Malware Risk
Generic, "clickbait" filenames like this are frequently used to spread malware.