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Trojan.PDF.PHISH.TIAOOHLP

March 03, 2020
 Analysis by: Paul Steven Nadera
 ALIASES:

PDF/Phishing.A.Gen trojan (NOD32)

 PLATFORM:

Windows

 OVERALL RISK RATING:
 REPORTED INFECTION:

  • 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.

  TECHNICAL DETAILS

File Size:

171,352 bytes

File Type:

PDF

Memory Resident:

No

Initial Samples Received Date:

27 Feb 2020

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.

Other Details

This Trojan does the following:

  • It shows the user the following to trick them into accessing the website:

  • It will then redirect to the following link:
    • https://docs.google.com/forms/{BLOCKED}/{BLOCKED}/{BLOCKED}cXnKlx-kIQv6AcMuwr1nDsj15OGC57wJnmotm5OcP_LA/viewform?usp=pp_url

  SOLUTION

Minimum Scan Engine:

9.850

FIRST VSAPI PATTERN FILE:

15.718.04

FIRST VSAPI PATTERN DATE:

02 Mar 2020

VSAPI OPR PATTERN File:

15.719.00

VSAPI OPR PATTERN Date:

03 Mar 2020

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.TIAOOHLP. 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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