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Trojan.PDF.PHISH.FH

January 29, 2025
 Analysis by: Raighen Sanchez
 ALIASES:

Trojan.PDF.Phishing (IKARUS)

 PLATFORM:

Windows

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

  • Threat Type: Trojan

  • Destructiveness: No

  • Encrypted: No

  • In the wild: Yes

  OVERVIEW

Infection Channel:

Downloaded from the Internet, Dropped by other malware


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 does not have any propagation routine.

It does not have any backdoor routine.

It does not have any information-stealing capability.

It redirects browsers to certain sites.

  TECHNICAL DETAILS

File Size:

56,312 bytes

File Type:

PDF

Memory Resident:

No

Initial Samples Received Date:

15 Jan 2025

Payload:

Connects to URLs/IPs, Displays graphics/image

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.

Propagation

This Trojan does not have any propagation routine.

Backdoor Routine

This Trojan does not have any backdoor routine.

Rootkit Capabilities

This Trojan does not have rootkit capabilities.

Information Theft

This Trojan does not have any information-stealing capability.

Other Details

This Trojan redirects browsers to the following sites:

  • https://{BLOCKED}oogle.com/file/d/{BLOCKED}SYh9x7cajZFQjB0WEdXYWs/preview

It does not exploit any vulnerability.

NOTES:

It does the following:

  • It displays the following image to lure the user and redirect their browser to a link:
  • However, the file in the link is no longer accessible.

  SOLUTION

Minimum Scan Engine:

9.800

FIRST VSAPI PATTERN FILE:

19.864.03

FIRST VSAPI PATTERN DATE:

27 Jan 2025

VSAPI OPR PATTERN File:

19.865.00

VSAPI OPR PATTERN Date:

28 Jan 2025

Step 1

Before doing any scans, Windows 7, Windows 8, Windows 8.1, and Windows 10 users must disable System Restore to allow full scanning of their computers.

Step 2

Scan your computer with your Trend Micro product to delete files detected as Trojan.PDF.PHISH.FH. 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 the following Trend Micro Support pages for more information:


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