Some kind of spill on my car?

[ctx]

wow ok

[baby_phantom]

Looks pretty much screwed, guessing you will need a respray.

[1.mile]

Look likes just usual oxidisation, car must've spent its life in a lot sunlight.
Try claying the hood to get rid of any contaminates and see if it gets rid on those stains but cant do anything about the cracks beside respray!