"Morupule Coal Mine" malware spam

This fake invoice spam claims to be from a (real) coal mine in Botswana. But in fact the PDF file attached to the message is malicious.

From:     Madikwe, Gladness [GMadikwe@mcm.co.uk]
Date:     27 August 2014 10:43
Subject:     Tax Invoice for Delivery Note 11155 dated 22.08.14

Hello ,   

Please find attached the invoice for delivery note 11155 which was created on the 22 . 08. 14 after a system error to process this tax invoice.

Thank you      
Regards

Gladness B Madikwe
Sales & Marketing Clerk
Morupule Coal Mine
Private Bag 35
Palapye,Botswana
Tel:  +267 494 1204
Cell: +267 71373569
Fax:  +267 4920643


Debswana Diamond Company Email Disclaimer: The information contained in this e-mail is confidential and may be subject to legal privilege. If you are not the intended recipient, you must not use, copy, distribute or disclose the e-mail or any part of its contents or take any action in reliance on it. If you have received this e-mail in error, please e-mail the sender by replying to this message. All reasonable precautions have been taken to ensure no viruses are present in this e-mail and the sender cannot accept responsibility for loss or damage arising from the use of this e-mail or attachments.

Neither the Morupule Coal Mine nor the Debswana Diamond Company mentioned in the disclaimer are anything to do with this spam email, in fact it originates from a hacked machine in India.

The attachment has a VirusTotal detection rate of 5/54. My PDF-fu isn't good enough to tell you what this malware actually does, but you can definitely guarantee that it is malicious.