Analysis by: Michael Jay Villanueva
ALIASES:

PDF/Phishing.A.Gen (ESET-NOD32)

 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

Canal de infección Dropped by other malware, Downloaded from the Internet, Spammed via email

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.

It does not have any propagation routine.

It does not have any backdoor routine.

  TECHNICAL DETAILS

Tamaño del archivo 301,436 bytes
Tipo de archivo PDF
Residente en memoria No
Fecha de recepción de las muestras iniciales 24 Oct 2017
Carga útil Connects to URLs/IPs, Displays windows

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.

Propagation

This Trojan does not have any propagation routine.

Backdoor Routine

This Trojan does not have any backdoor routine.

Other Details

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

  • https://{BLOCKED}adecv.com/activate/ad/index.php

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

NOTES:
This malware shows the following fake message inside the PDF tricking the users to click on the link:

  SOLUTION

Motor de exploración mínimo 9.850
Primer archivo de patrones de VSAPI 13.736.04
Primera fecha de publicación de patrones de VSAPI 23 Oct 2017
Versión de patrones OPR de VSAPI 13.737.00
Fecha de publicación de patrones OPR de VSAPI 24 Oct 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

Identify and terminate files detected as PDF_MALPHISH.AUSJEQSC

[ Learn More ]
  1. Windows Task Manager may not display all running processes. In this case, please use a third-party process viewer, preferably Process Explorer, to terminate the malware/grayware/spyware file. You may download the said tool here.
  2. If the detected file is displayed in either Windows Task Manager or Process Explorer but you cannot delete it, restart your computer in safe mode. To do this, refer to this link for the complete steps.
  3. If the detected file is not displayed in either Windows Task Manager or Process Explorer, continue doing the next steps.

Step 3

Close all opened browser windows

Step 4

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