They will send you a fake email from paypal. either a "you've got funds" email in the hope you will post them the item without actually checking your account or something along the lines of "your paypal has been hacked, enter your password here to unlock it"
They will send you a fake email from paypal. either a "you've got funds" email in the hope you will post them the item without actually checking your account or something along the lines of "your paypal has been hacked, enter your password here to unlock it"