Xavier reported a maldoc campaign using Microsoft Publisher files. These files can be analyzed just like malicious Word files.
oledump.py reveals VBA macros in this sample:

The VBA macro contains calls to the chr function. This could encode a URL or some other payload:


If you want more details, I made this video.
Didier Stevens
Microsoft MVP Consumer Security
blog.DidierStevens.com DidierStevensLabs.com
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Read more of this story at Slashdot.
Read more of this story at Slashdot.
Read the full article at TidBITS, the oldest continuously published technology publication on the Internet. To get a full-text RSS feed, help support our work and become a TidBITS member! Members also enjoy an ad-free version of our Web site, email delivery of individual articles, the ability to make long comments with live links, and discounts on Take Control orders and other Apple-related products.