Scams

...It's a 419 (Advance Fee Fraud) message, of course. Stripped of the pseudo-governmental flim-flam, the core of the message is that they want you to forward them this...

In the absence of any detailed information from the IMF itself, it's not surprising that most of the surmise around the attack is based on internal IMF memos quoted by Bloomberg, and much of it is rather tenuous.