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PDF_PHISH.AUSECK

June 14, 2017
 Analysis by: Jennifer Gumban
 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:

Dropped by other malware, Downloaded from the Internet


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.

This is the Trend Micro detection for files that exhibit certain behaviors.

  TECHNICAL DETAILS

File Size:

213,009 bytes

File Type:

PDF

Memory Resident:

Yes

Initial Samples Received Date:

03 Jun 2017

Payload:

Connects to URLs/IPs

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 is the Trend Micro detection for:

  • PDF files that has malicious intent in tricking users since it presents them with fake message that misleads them to click embedded link.

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

  • http://ow.ly/{BLOCKED}c9U6Z
  • The link then redirects to http://{BLOCKED}storageofva.com/DOC.
  • The latter site is no longer accessible.

  SOLUTION

Minimum Scan Engine:

9.850

FIRST VSAPI PATTERN FILE:

13.456.03

FIRST VSAPI PATTERN DATE:

07 Jun 2017

VSAPI OPR PATTERN File:

13.457.00

VSAPI OPR PATTERN Date:

08 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

Scan your computer with your Trend Micro product to delete files detected as PDF_PHISH.AUSECK. 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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