I saw an email for interview, there was no name of...

I saw an email for interview, there was no name of company and I saw number for whatsap I ask them in whatsap what is a name of your company and which position you are offering me still nothing only gave me name of company and ask me to come on 5 pm for interview? Seriously 5 pm interview they are cheaters, @dubaipolice should follow this company and sealed them from fraud