"Verify your order" / yrikdhxzwo.org

This spam leads to malware on yrikdhxzwo.org:

Date:      Fri, 10 Aug 2012 13:43:57 +0200
From:      "New order" [8A4EDCFB@williamsvilla.com]
To:      [redacted]
Subject:      Verify your order

Dear [redacted],

please verify your order #809910 at http://simplythebestevents.com/wp-content/plugins/mm-forms-community/upload/temp/tracking17948.php?user_id=[redacted]&order_id=8D17821C359

We hope to see you again soon!

The malicious payload is at [donotclick]yrikdhxzwo.org/main.php?page=3f19233d6515cd5d (the payload is defying analysis at the moment), hosted on 54.245.115.156 (Amazon, US). The domain btgjoulrys.info is also on the same server and can be safely assumed to be malicious.