Exploit:W32/PDF-URI.L is detection of a malicious PDF file that is being heavily spammed through e-mail and it appears as an attachment.
This malicious PDF file takes advantage of a vulnerability on the URI handling of PDF files. This vulnerability affects IE7, Adobe Acrobat, and Adobe Reader on some platforms.
Users should update their Adobe Reader installations. See the details section for information.
Depending on the settings of your F-Secure security product, it will either automatically delete, quarantine or rename the suspect file, or ask you for a desired action.
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More information on the scanning and removal options available in your F-Secure product can be found in the Help Center.
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This malware disables the Windows Firewall by issuing the following command:
- netsh firewall set opmode mode=DISABLE
Then it downloads the a file from the following FTP site and executes it:
- ftp://184.108.40.206/[REMOVED].exeDetected as Trojan-Downloader.Win32.Small.glc
The vulnerability reference is: CVE-2007-5020.
Windows XP or Windows 2003 (Vista users are not affected) with Internet Explorer 7 installed.
Affected Software Versions
Adobe Reader 8.1 and earlier, Adobe Reader 7.0.9 and earlier. Adobe Acrobat Professional, 3D and Standard 8.1 and earlier versions, Adobe Acrobat Professional, Standard, 3D and Elements 7.0.9 and earlier.
There is an update available from Adobe to resolve the vulnerability: