PDF_PHISH.YTUBT

April 15, 2017
 Analysis by: Byron Jon Gelera
 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 attachment to mass-mailed email messages. It arrives on a system as a file dropped by other malware or as a file downloaded unknowingly by users when visiting malicious sites.

However, as of this writing, the said sites are inaccessible.

  TECHNICAL DETAILS

File Size:

131,291 bytes

File Type:

PDF

Memory Resident:

No

Initial Samples Received Date:

10 Aug 2016

Payload:

Connects to URLs/IPs

Arrival Details

This Trojan arrives as attachment to mass-mailed email messages.

It 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 connects to the following possibly malicious URL:

  • http://{BLOCKED}ssivewingchunkungfu.com.au/adobe

However, as of this writing, the said sites are inaccessible.

NOTES:
This malware opens Internet Explorer and connects to the URL when VIEW PDF FILE is clicked.

  SOLUTION

Minimum Scan Engine:

9.800

FIRST VSAPI PATTERN FILE:

12.706.02

FIRST VSAPI PATTERN DATE:

10 Aug 2016

VSAPI OPR PATTERN File:

12.707.00

VSAPI OPR PATTERN Date:

11 Aug 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_PHISH.YTUBT. 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.

Step 3

Close all opened browser windows


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