Analysis by: Byron Jon Gelera

ALIASES:

Trojan.PDF.Phishing.MP (F-Secure); 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: Spammed via email

This Trojan arrives as an attachment to email messages spammed by other malware/grayware or malicious users.

  TECHNICAL DETAILS

File Size: 21,894 bytes
File Type: PDF
Memory Resident: No
Initial Samples Received Date: 12 Jun 2017
Payload: Displays graphics/image

Arrival Details

This Trojan arrives as an attachment to email messages spammed by other malware/grayware or malicious users.

Other Details

This Trojan presents the user a fake message tricking them to click on the following link:

  • http://{BLOCKED}v.dp.ua/css/film/colour/Office-outlook/index.php
  • The link can be found inside the PDF:
  • However, as of this writing, the said site is inaccessible.

  SOLUTION

Minimum Scan Engine: 9.850
FIRST VSAPI PATTERN FILE: 13.466.04
FIRST VSAPI PATTERN DATE: 12 Jun 2017
VSAPI OPR PATTERN File: 13.467.00
VSAPI OPR PATTERN Date: 13 Jun 2017

Step 1

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

Step 2

Close all opened browser windows

Step 3

Scan your computer with your Trend Micro product to delete files detected as PDF_MALPHISH.AUSWZ. 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.


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