I can't vouch for the authenticity of this, I don't know what address it resolves to (although I understand it's a Sprint server), and while this is SUPPOSED to be the Mojo SDK, I don't know if it's a trojan, virus, if it's really the SDK that was released accidentally or on purpose, but if you're brave or crazy:
http://tr.im/pWol
It's downloading for me now, very slowly or I'd report back with what the heck this is. Got it via Twitter, specifically from @PreThinking.