Google Winning Notification - Scam

Today I have received an email from "Google Award" with subject "Google Winning Notification". The whole email message as follow :

Subject: Google Winning Notification

From: "Google Award"
Please respond to
To:

Date: 05/05/2014 01:36 AM


Dear Google Award Winner
Kindly refer to the attached Google Award Notification Letter in PDF. Read it and get back to us to enable us process your winning.
Congratulations once again!
Kind regards.
Mr. Brian Hookson.

The attachment

It was clearly a scam due to need to respond to yahoo mail instead of gmail.