What could cause this scratch on a parked car?

It’s a CX-5 and on rear door.

First thought is a door hitting from adjacent car? Though there is no dent just scratches

What would be best way to fix this?

It’s a CX-5 and on rear door.

First thought is a door hitting from adjacent car? Though there is no dent just scratches

What would be best way to fix this?