Malicious PDF — malware analysis report

Static analysis result for SHA-256 2b9927aeb3c74fff…

MALICIOUS

PDF

61.3 KB Created: 2021-03-29 20:19:49 +03:00 Authoring application: wkhtmltopdf 0.12.5 (via Qt 4.8.7)
MD5: 136510fb785d3a6a84fcb431cb0364c0 SHA-1: 216f0ee0c1569a47a7cd9b483ba70a1ade062f5d SHA-256: 2b9927aeb3c74fffd70f669f8bffe9d4917fa18bc21c0c11b6349186e77abed7
94 Risk Score

Malware Insights

MITRE ATT&CK
T1566.001 Spearphishing Attachment

The PDF file was detected as malicious by ML classifiers and ClamAV, indicating a high likelihood of malicious intent. The embedded URI points to a URL that appears to be a lure for downloading a file, likely related to an 'award' or notification. While no scripts were explicitly extracted, the PDF structure and embedded URI suggest an attempt to trick the user into downloading a secondary payload.

Machine Learning

  • Nyx PDF Classifier malicious score 0.9514

Heuristics 3

  • ClamAV: Pdf.Phishing.Trojan-d2568dad23a94d95-d2568dad23a94d95-10044375-0 critical CLAMAV_DETECTION
    ClamAV detected this file as malware: Pdf.Phishing.Trojan-d2568dad23a94d95-d2568dad23a94d95-10044375-0
  • 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://vilenefex.ru/award?keyword=proof+of+sum+of+arithmetic+series+pdf
    • http://tlgfree.xyz/sosowewom9lqx8.pdf
    • http://bitjoms.xyz/nissan_qashqai_n_connecta_2019_manuall5qzu.pdf
    • http://indir-kazan.com/kavasinovurinuvinzlz8e.pdf
    • https://cdn-cms.f-static.net/uploads/4409818/normal_602e4ad8377e7.pdf
    • https://static.s123-cdn-static.com/uploads/4446158/normal_6004e0071d1f4.pdf
    • https://cdn-cms.f-static.net/uploads/4446395/normal_6035e403ac38b.pdf
    • http://modutomipofa.iblogger.org/radebelegataxunitatasemup.pdf
    • http://health-top.ru/41890985270z9okv.pdf
    • https://uploads.strikinglycdn.com/files/e9b1f008-2500-432e-a285-6e0c697d2d8b/ez_go_golf_cart_stopped_running.pdf
    • https://s3.amazonaws.com/sazixipame/vuxibola.pdf
    • http://kujodobiwug.rf.gd/27633130903.pdf
    • https://uploads.strikinglycdn.com/files/131ac109-ef16-4528-9271-21489a271c1f/38716816647.pdf
    • https://uploads.strikinglycdn.com/files/26cc25e7-bbef-47ae-aa53-e6fa8fccf0d5/pojawunupo.pdf
    • https://uploads.strikinglycdn.com/files/940fdf22-ab5b-4fc8-ab8e-06f469d0d807/74775726963.pdf
    • http://wozojatoxako.epizy.com/dobaxinatiferijibir.pdf
    • https://s3.amazonaws.com/bogijexu/15696774921.pdf
    • http://filipebed.rf.gd/vakimex.pdf
    • https://uploads.strikinglycdn.com/files/3476cf3e-e9ea-4c7d-8ce6-f8d648cdf79a/how_to_read_violin_notes_for_beginners.pdf

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