One of scam atempt in PDF, so Gmail and other e-mail services don't place it in spam:
Attached in a PDF file are details of your Payment Compensation.
Regards,
Betsy Manpoulimas
From PDF:
Attention Beneficiary.
Compliment, We have issued payment authorization order to Western Union
Money Transfer, London, United Kingdom (UK) to immediately start
transferring your $5000 twice a day until your total amount of $500.000.00