F-Secure
Tools
Exploit:W32/AdobeReader.UZ
Summary
A program or technique that takes advantage of a vulnerability to remotely access or attack a program, computer or server.
Additional Details
The detection Exploit:W32/AdobeReader.UZ identifies a malicious PDF document that attempts to exploit a known vulnerability in order to drop and run a malicious executable file on the system.
The exploit-code will not drop the executable if any of the following folders exist on the system:
The vulnerability targeted lies in the Doc.media.newPlayer Javascript method (CVE-2009-4324).
Execution
The executable file embedded in the PDF will be dropped to:
The dropped file will then be executed and will attempt to download additional files on to the system.
We detect the drooped file as Trojan-Downloader:W32/Agent.MRL.
The exploit-code will not drop the executable if any of the following folders exist on the system:
- C:\Program Files\Kaspersky Lab\Kaspersky Internet Security 2009
- C:\Program Files\Kaspersky Lab\Kaspersky Anti-Virus 2009
- C:\Program Files\Kingsoft
The vulnerability targeted lies in the Doc.media.newPlayer Javascript method (CVE-2009-4324).
Execution
The executable file embedded in the PDF will be dropped to:
- %temp%\AdobeUpdate.exe
The dropped file will then be executed and will attempt to download additional files on to the system.
We detect the drooped file as Trojan-Downloader:W32/Agent.MRL.