This indicates an attack attempt against a Denial of Service vulnerability in Microsoft Office Publisher.
The vulnerability is caused by an error when the software handles a malformed ".pub" file. It allows a remote attacker to cause a Denial of Service condition by sending a specially crafted ".pub" file.
Microsoft Publisher 2007
Microsoft Office 2007
Denial of Service: Remote attackers can stop the vulnerable application.
We are not aware of any vendor supplied remedy for this issue.
Do not open untrusted ".pub" files.