This indicates an attack attempt against a denial of service vulnerability in BitDefender Antivirus.
The vulnerability is caused by a boundary error in the "pdf.xmd" module, when processing data encoded with the "ASCIIHexDecode" filter. It can be exploited to cause memory corruption via a specially crafted PDF file.
BitDefender Antivirus Standard 10.x
BitDefender Free Edition 10.x
Denial of Service: Remote attackers can crash vulnerable systems.
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