TROJ_PIDIEF.WLB
October 08, 2012
PLATFORM:
Windows 2000, XP, Server 2003
OVERALL RISK RATING:
DAMAGE POTENTIAL:
DISTRIBUTION POTENTIAL:
REPORTED INFECTION:
Threat Type: Trojan
Destructiveness: No
Encrypted: No
In the wild: Yes
OVERVIEW
This Trojan arrives on a system as a file dropped by other malware or as a file downloaded unknowingly by users when visiting malicious sites.
It takes advantage of certain vulnerabilities.
TECHNICAL DETAILS
File Size:
230,037 bytes
File Type: PDF
Memory Resident:
No
Initial Samples Received Date:
26 Aug 2010
Payload:
Drops files
Arrival Details
This Trojan arrives on a system as a file dropped by other malware or as a file downloaded unknowingly by users when visiting malicious sites.
Other Details
Based on analysis of the codes, it has the following capabilities:
- This specially-crafted .PDF file exploits vulnerabilities related to the following Adobe Reader JavaScript functions to drop another malicious file:
- Collab.getIcon
- Collab.collectEmailInfo
- Doc.media.newPlayer
- After succesfully exploiting the vulnerabilities, it drops and executes the following malicious files:
- %User Temp%\update.exe - detected as TROJ_DLOADR.AVR
- %Windows%\ntshrui.dll - detected as TROJ_DLLHJACK.A
(Note: %Windows% is the Windows folder, which is usually C:\Windows or C:\WINNT.)
It takes advantage of the following vulnerabilities: