This is a forged email originating from Administrator@<yourdomain><tld>

– body –

**********Important – Internal ONLY**********

File Validity: 16/03/2015
Company : http://<domain>.com
File Format: Adobe Reader
Legal Copyright: Adobe Corporation.
Original Filename: Internal.pdf

********** Confidentiality Notice **********.
This e-mail and any file(s) transmitted with it, is intended for the exclusive use by the person(s) mentioned above as recipient(s).
This e-mail may contain confidential information and/or information protected by intellectual property rights or other rights. If you are not the intended recipient of this e-mail, you are hereby notified that any dissemination, distribution, copying, or action taken in relation to the contents of and attachments to this e-mail is strictly prohibited and may be unlawful. If you have received this e-mail in error, please notify the sender and delete the original and any copies of this e-mail and any printouts immediately from your system and destroy all copies of it.

– end message –

Atatched file info:

SHA256: de72bdf40d62fc9d9be022d0990bcd73bd2845bacb7d012254c4009c9849b541
File name: SecureMessage.zip

Profiled via virustotal:
https://www.virustotal.com/en/file/de72bdf40d62fc9d9be022d0990bcd73bd2845bacb7d012254c4009c9849b541/analysis/1426513930/

 

Please note:  The company associated with the domain used for this email may not have any knowledge of this email being sent out as its clearly forged.

The best suggestion is to delete this if your spam / malware /antivirus solution has not.