Many users have attempted to phish me lately, and so, if you are getting the same, report said users to steam, as well as report any links they are using here:

https://docs.google.com/forms/d/1wNRFB3NKdF4jet3g2q-z7XZ-ikRsIVrC4KtK90-usU8/viewform

If they are sending you a file, report it here:

https://www.virustotal.com/

Do not attack said users, they are likely bots, and won't do any good.