Malicious PDF — malware analysis report

Static analysis result for SHA-256 613f2b4d2d1cd66f…

MALICIOUS

PDF

43.5 KB Created: 2021-03-28 01:27:39 +02:00 Authoring application: wkhtmltopdf 0.12.5 (via Qt 4.8.7)
MD5: 8480e5309b81200354b7b8df9b20e585 SHA-1: 65714a5539a82382c73cccb071c554040d5eff05 SHA-256: 613f2b4d2d1cd66f9de2110925c05973339d9e6635e46ed84e5ec2dfce7ed141
114 Risk Score

Malware Insights

MITRE ATT&CK
T1566.001 Spearphishing Attachment

The PDF file is identified as malicious by multiple heuristics, including a machine learning classifier and ClamAV, which flagged it as a phishing trojan. The 'PDF_IMAGE_LURE' heuristic indicates it's an image-based document designed to trick users into clicking an embedded URI, which is a common phishing tactic. The embedded URL points to a suspicious domain, likely serving as a lure for credential harvesting or further malware delivery.

Machine Learning

  • Nyx PDF Classifier malicious score 0.8148

Heuristics 4

  • ClamAV: Pdf.Phishing.Trojan-d2528dad23a95d95-d2528dad23a95d95-10044376-0 critical CLAMAV_DETECTION
    ClamAV detected this file as malware: Pdf.Phishing.Trojan-d2528dad23a95d95-d2528dad23a95d95-10044376-0
  • 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 43 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://crophysi.ru/award?keyword=difference+between+balance+of+payment+and+balance+of+trade+pdf
    • http://fanuvazav.scienceontheweb.net/mass_media_advertising.pdf
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    • http://jipolavex.medianewsonline.com/22436107732.pdf
    • http://groshyk.site/kifopivaxuzizogbcolk.pdf
    • http://stroiline74.ru/how_to_edit_image_text_in_coreldrawkjmda.pdf
    • http://fredo.bike/every_witch_way_capitulos_completos_en_espaol_2_temporadakwgi1.pdf
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    • https://uploads.strikinglycdn.com/files/12b176e8-4705-4792-ad44-d6f236dbb60f/zixonosara.pdf
    • http://simavanexija.rf.gd/systematic_classification.pdf
    • https://uploads.strikinglycdn.com/files/ed1e1bbf-67ac-4fa0-8224-f3a742b24861/master_of_orion_3_cheat_engine.pdf
    • http://kekowowufif.epizy.com/faxexaxujamelizubamata.pdf
    • http://xuvuzonixo.onlinewebshop.net/advanced_auditing_notes_for_mcom_part_2.pdf
    • https://uploads.strikinglycdn.com/files/f27ef4e7-a7fb-4164-a36a-d2e05a5fd98e/fastest_way_to_pass_security_exam.pdf
    • http://dofanetanezuji.rf.gd/biriyani_tamil_movie_songs_free_starmusiq.pdf

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