Sample 1: Scam as unknown file

From: Sales [mailto:scam@xxxx.com]
Sent: Friday, 14 May 2019 5:07 AM
To: Recipient
Subject: Order confirmation No. PO 123456/ABC

Good  Morning

Please find attached below for our order confirmation 123456/ABC.

Sample 2: Scam as Audio file

Sample 3: Scam as invoice in PDF format