2. What is an interview? He hasn't even seen you, he doesn't even know your resume or anything, and he doesn't know if it's fake. He believes that you are a xx major at xxx University with your one-sided words and so on?
You can call him to fool him and ask his company landline. If he gives you PHS, congratulations, you won the lottery.
Generally, scammers use well-known companies to recruit people from other places to engage in pyramid schemes. You can call a well-known company used by scammers to find out if there is this branch or agency.