Malicious PDF — malware analysis report

Static analysis result for SHA-256 34284a8cb08f45b9…

MALICIOUS

PDF

39.2 KB Created: 2021-05-12 05:44:45 +03:00 Authoring application: wkhtmltopdf 0.12.5 (via Qt 4.8.7)
MD5: 7ec9c486230846148b479d1644723149 SHA-1: dca54f940169a2b0a73d7196e4ffb585b7701b42 SHA-256: 34284a8cb08f45b9c6fa0ca4614e0ee6b924deb21492cf9b7a22b829b725dcb2
114 Risk Score

Malware Insights

MITRE ATT&CK
T1566.001 Spearphishing Attachment

The PDF file is identified as malicious by ClamAV and an ML classifier. It employs a common phishing tactic by presenting a full-page image as a lure, with an embedded URI that likely leads to a malicious site. The document's structure and the presence of an external URI strongly suggest an attempt to direct the user to a compromised or malicious web resource for further exploitation.

Machine Learning

  • Nyx PDF Classifier malicious score 0.7846

Heuristics 4

  • ClamAV: Pdf.Phishing.Trojan-d2568dad23a94d95-d2568dad23a94d95-10044375-0 critical CLAMAV_DETECTION
    ClamAV detected this file as malware: Pdf.Phishing.Trojan-d2568dad23a94d95-d2568dad23a94d95-10044375-0
  • 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 39 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://mezovuduw.ru/wb?keyword=who%20opposed%20president%20johnson
    • https://zukodefikarux.weebly.com/uploads/1/3/4/4/134498552/zukug_fesum_fuwugavunabe_wuwuk.pdf
    • http://nijovilof.iblogger.org/churchome_guided_prayer.pdf
    • https://sibitolifi.weebly.com/uploads/1/3/4/7/134732274/9e9cc7ce563.pdf
    • http://bexixibeguben.sportsontheweb.net/assimilation_in_english_phonology.pdf
    • http://sorebifisawug.22web.org/80945718391.pdf
    • https://pilinasovoda.weebly.com/uploads/1/3/4/1/134132167/rekaw_powumub.pdf
    • http://hydraruzxpnew4af.exchange/what_historical_event_influenced_the_plot_of_macbethgc8x7.pdf
    • http://pitigapevede.onlinewebshop.net/40485885884.pdf
    • http://pekowob.onlinewebshop.net/ruxonuporufixusodun.pdf
    • http://kibagog.onlinewebshop.net/57086167021.pdf

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