I just received a weird call from a uber driver, that scared the shit out of me.

I have his contact because i live in the brazilian countryside and sometimes there are no drivers available here. I was talking to a friend of mine when he called, i could just listen a heavy breath and he said nothing during the call. I hope that he called by mistake bc his phone was in his pocket or smth. Idk, this is just scary. The worst thing is, that once i hung up the call, i sent him a message asking if he needed something and he saw my message right after this. I hope i'm wrong but on whatsapp, when you call someone through the chat you're redirected to the chat once you finish the call, meaning that he could be calling me on purpose.