"FGF" sometimes refers to FlightGear Files , where users might bundle custom aircraft or scenery into a fgf.7z archive for sharing on forums.
If you encountered this name in a "write-up," it was likely either a of an obfuscated script (where random strings like this are used to hide malicious payloads) or a forensic look at how automated filing systems (like the SEC's) handle binary data. fgf.7z
Do you have a or any context on where you saw this filename? 0001104659-19-069896.txt - SEC.gov "FGF" sometimes refers to FlightGear Files , where