Malicious PDF — malware analysis report

Static analysis result for SHA-256 3846175cc7af293b…

MALICIOUS

PDF

33.0 KB Created: 2017-10-20 12:38:12 -07:00 Authoring application: PDF Expert 2.2.9 Mac
MD5: d869d3543e8223be7f6d992dbd2a3539 SHA-1: 13272c8846e2a97890bf11a937dc71e68f385f3a SHA-256: 3846175cc7af293b24f5ec75b0571ad685e2c0749c374b7f429a2ee16c80fef8
112 Risk Score

Malware Insights

MITRE ATT&CK
T1566.002 Spearphishing Attachment T1059.001 PowerShell

The PDF is identified as an image-only lure, typical for phishing or malware delivery. It contains multiple external URIs pointing to suspicious domains, suggesting it's designed to redirect the user to malicious content. The ClamAV detection as 'Pdf.Dropper.Agent' further supports its malicious nature, indicating it likely acts as a dropper for other malware. No scripts were extracted from this sample.

Machine Learning

  • Nyx PDF Classifier malicious score 0.8779

Heuristics 4

  • ClamAV: Pdf.Dropper.Agent-7249701-0 critical CLAMAV_DETECTION
    ClamAV detected this file as malware: Pdf.Dropper.Agent-7249701-0
  • Image-only document with action trigger (screenshot lure) medium PDF_IMAGE_LURE
    PDF has 1 image(s), only 0 text block(s), carries a click-outward action, and is only 32 KB — typical shape of a phishing lure where a full-page screenshot hides a clickable button that launches or submits to an attacker URL.
  • External URI info PDF_URI
    PDF contains an external URL action
  • Embedded URL info EMBEDDED_URL
    One or more URLs were extracted from the document. The URL itself is not a detection — see the per-URL labels for which channel (macro, JS, link annotation, document body, ...) reached each URL.
    URL https://modidoors.com/jdjdjhdhjjh/Docusign%20/fonts/index.php
    • https://melitonelcuore.it/jfjkfjkjf/Docusign%20/fonts/index.php
    • https://melitonelcuore.it/kdjkdkjdjk/Docusign%20/fonts/index.php
    • https://cvvgold.com/jdjkejkjjkdjk/Docusign%20/fonts/index.php
    • https://charbhujahospital.com/kjdjdljk/Docusign%20/fonts/index.php
    • https://charbhujahospital.com/djkjdkjdkj/Docusign%20/fonts/index.php
    • https://charbhujahospital.com/kjdjdjk/Docusign%20/fonts/index.php
    • https://paintit.ga/jkdjdjk/Docusign%20/fonts/index.php
    • https://charbhujahospital.com/jdjdjdjk/Docusign%20/fonts/index.php
    • https://digitalexcel.co.uk/jkdkjdjkkj/Docusign%20/fonts/index.php
    • https://digitalexcel.co.uk/djkdkjdj/Docusign%20/fonts/index.php
    • https://digitalexcel.co.uk/kjskjdjk/Docusign%20/fonts/index.php
    • http://www.w3.org/1999/02/22-rdf-syntax-ns#
    • http://purl.org/dc/elements/1.1/
    • http://ns.adobe.com/pdf/1.3/
    • http://www.aiim.org/pdfa/ns/extension/
    • http://www.aiim.org/pdfa/ns/property#
    • http://www.aiim.org/pdfa/ns/schema#
    • http://www.aiim.org/pdfa/ns/id/
    • http://ns.adobe.com/xap/1.0/

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