You might see files like hitmanbm associated with PSP downloads. These are often digital IGN strategy guides released in 2012 for the PSP's browser, not the actual Hitman: Blood Money game.
Yes, but it is:
Here is everything you need to know about the state of Hitman on handheld emulators and your best alternatives. Why You Can’t Find a "Real" Hitman PSP ISO hitman agent 47 game download for ppsspp