Malicious PDF — malware analysis report

Static analysis result for SHA-256 501f99f032c6fa40…

MALICIOUS

PDF

39.4 KB Created: 2021-03-17 15:37:27 +02:00 Authoring application: wkhtmltopdf 0.12.5 (via Qt 4.8.7)
MD5: 3934815c8d4f522247f0a62f6b50a554 SHA-1: 51092439d49ab2a2599f30d91dbfc60049cf35f3 SHA-256: 501f99f032c6fa40e0ded347ba8d729844903450646d0ee28a0d17d7d346914c
114 Risk Score

Malware Insights

MITRE ATT&CK
T1566.001 Spearphishing Attachment

This PDF file is identified as malicious by ClamAV and an ML classifier. It employs a common phishing tactic by presenting itself as an image-only document with a clickable action, designed to lure users into clicking an external URL. The heuristic 'PDF_IMAGE_LURE' strongly suggests this is a phishing or malware distribution attempt. The embedded URL 'https://fokemale.ru/award?keyword=topology+optimization+bendsoe+sigmund+pdf' is a primary indicator of this malicious intent.

Machine Learning

  • Nyx PDF Classifier malicious score 0.7882

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://fokemale.ru/award?keyword=topology+optimization+bendsoe+sigmund+pdf
    • http://foramodosug.mygamesonline.org/unicode_characters_table.pdf
    • https://cdn-cms.f-static.net/uploads/4407327/normal_602d8c44d4388.pdf
    • https://cdn-cms.f-static.net/uploads/4471250/normal_5fd9f40f5b8ae.pdf
    • http://paxabak.mypressonline.com/arms_reach_mini_co_sleeper_bed.pdf
    • https://cdn.sqhk.co/wemitupu/hlibgcL/disco_zoo_patterns_mars.pdf
    • http://lamakexo.scienceontheweb.net/sopunoviketafalez.pdf
    • https://cdn-cms.f-static.net/uploads/4450516/normal_6018cf147a524.pdf
    • http://nositadox.mypressonline.com/onkyo_tx-nr636_atmos_speaker_setup.pdf
    • http://rasezatoxefu.mygamesonline.org/vimodabazepejexaf.pdf
    • http://dikoxikikalonib.scienceontheweb.net/clustering_techniques_in_data_mining.pdf
    • https://cdn.sqhk.co/bexefoboxevi/iRja5Ri/rofagemixif.pdf
    • https://cdn.sqhk.co/kakapoxavu/hjekWEp/starcraft_pc_cheats_codes.pdf
    • https://cdn-cms.f-static.net/uploads/4370074/normal_600c73501e767.pdf
    • https://uploads.strikinglycdn.com/files/266d25bc-b74a-4b08-a888-b44fc6c25322/la_ciudad_de_las_bestias_analisis_de_los_personajes.pdf
    • https://uploads.strikinglycdn.com/files/4b0f0ac4-babe-4d9d-8eca-ecc05c168938/instrument_to_measure_temperature.pdf
    • https://uploads.strikinglycdn.com/files/24d5daa5-9334-4e0b-9ca7-a56fbc81314d/85019861739.pdf
    • https://uploads.strikinglycdn.com/files/6f75cde8-0026-4b10-bb71-3a061e1c9005/difference_between_tcp_ip_and_osi_model_ppt.pdf
    • https://ef2e072a-e8a2-4438-804d-cc750be2e2f6.filesusr.com/ugd/6a22cb_b428

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