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JS_UTOTI.MF

October 08, 2012
 Analysis by: Michael Cabel
 PLATFORM:

Windows 98, ME, NT, 2000, XP, Server 2003

 OVERALL RISK RATING:
 DAMAGE POTENTIAL:
 DISTRIBUTION POTENTIAL:
 REPORTED INFECTION:

  • Threat Type: Trojan

  • Destructiveness: No

  • Encrypted: No

  • In the wild: Yes


  TECHNICAL DETAILS

File Size:

786,648 bytes

File Type:

PDF

Memory Resident:

No

Initial Samples Received Date:

21 Jul 2010

Other Details

Based on analysis of the codes, it has the following capabilities:

  • This specially crafted PDF file contains an ebedded JavaScript that takes advantage of a vulnerability in Adobe Acribat and Reader to execute an arbitrary code on the affefcted system. It check the version of the said application to identify the vulnerability to be exploited.
  • If the version 6.0, it takes advantage of the vulnerability in Collab.CollectEmailInfo method of Adobe Acrobat and Reader.
  • Otherwise, if the version is 8.0, it takes advantage of the vulnerability in Collab.getIcon method of Adobe Acrobat and Reader.

More information on this vulnerability can be found below:

  • http://cve.mitre.org/cgi-bin/cvename.cgi?name=CVE-2007-5659
  • http://cve.mitre.org/cgi-bin/cvename.cgi?name=CVE-2009-0927

  SOLUTION

Minimum Scan Engine:

8.900

Step 1

For Windows XP and Windows Server 2003 users, before doing any scans, please make sure you disable System Restore to allow full scanning of your computer.

Step 2

Scan your computer with your Trend Micro product to delete files detected as JS_UTOTI.MF. If the detected files have already been cleaned, deleted, or quarantined by your Trend Micro product, no further step is required. You may opt to simply delete the quarantined files. Please check this Knowledge Base page for more information.

Step 3

Download and apply these security patches Refrain from using these products until the appropriate patches have been installed. Trend Micro advises users to download critical patches upon release by vendors. http://www.adobe.com/support/security/bulletins/apsb08-13.html
http://www.adobe.com/support/security/bulletins/apsb09-04.html


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