B5_120.mp4 -

This could be a raw file from a project where "B" represents a camera reel (B-Roll) and "120" refers to the frame rate (120fps) or scene number.

Files with common extensions like .mp4 can sometimes be used to mask malicious scripts. Use a tool like VirusTotal to scan the file. b5_120.mp4

Large organizations often use alphanumeric codes to catalog internal training modules. This could be a raw file from a

"B5" often refers to a building floor (Basement 5) or a specific camera zone, while "120" might indicate a timestamp or sequence number. b5_120.mp4