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PDF_MALPHISH.KQ

January 03, 2017
 Analysis by: Jeanne Jocson
 ALIASES:

Troj/PDFUri-VY (Sophos)

 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, Downloaded from the Internet, Dropped by other malware


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

146,264 bytes

File Type:

PDF

Memory Resident:

No

Initial Samples Received Date:

27 Dec 2016

Payload:

Displays graphics/image

Arrival Details

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

It arrives on a system as a file dropped by other malware or as a file downloaded unknowingly by users when visiting malicious sites.

NOTES:

This is the Trend Micro detection for PDF files that presents the user a fake message tricking them to click on the following link:

  • http://{BLOCKED}dusurmesure.fr/wp-includes/customize/

However, as of this writing, the said site is inaccessible.

  SOLUTION

Minimum Scan Engine:

9.800

FIRST VSAPI PATTERN FILE:

13.120.03

FIRST VSAPI PATTERN DATE:

27 Dec 2016

VSAPI OPR PATTERN File:

13.121.00

VSAPI OPR PATTERN Date:

28 Dec 2016

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

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