Malicious PDF — malware analysis report

Static analysis result for SHA-256 2030b8ba902a3ba7…

MALICIOUS

PDF

58.6 KB Created: 2021-02-26 13:28:01 +02:00 Authoring application: wkhtmltopdf 0.12.5 (via Qt 4.8.7) First seen: 2021-09-15
MD5: 8257ee72f492c4f00d2d81703999cc86 SHA-1: 3bffcd909b41ed0d78f0627dfe0245649fca1acf SHA-256: 2030b8ba902a3ba7fe595816f12a8d870434b0a2245f1f87c7a98da433ce0761
124 Risk Score

Malware Insights

MITRE ATT&CK
T1566.001 Spearphishing Attachment

The file is a PDF containing numerous embedded links, many of which point to disposable domains and are likely part of a link farm. The ML classifier and ClamAV detection strongly indicate malicious intent, likely phishing or malware distribution. No scripts were extracted, but the PDF structure itself facilitates the attack by directing users to potentially harmful external sites.

Machine Learning

  • Nyx PDF Classifier malicious score 0.7196

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
  • Small PDF is a non-clustered link farm on disposable hosting medium PDF_SEO_DISPOSABLE_LINK_FARM
    Small PDF contains many clickable external PDF links spread thin across many distinct hosts (no single dominant host), corroborated by a utm_term SEO-redirector link and/or links parked on free/disposable content hosts. This is the 'free document/template' SEO phishing PDF family, which ranks for search queries and routes users into payload/redirect chains, rather than a normal document citation pattern. The PDF itself carries no exploit — the risk is the linked destinations.
  • 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://botokaw.ru/award?keyword=how+do+i+report+adultery+in+the+military PDF link annotation
    • http://suzamajotibe.mywebcommunity.org/risk_benefit_assessment_form.pdfIn PDF document text
    • http://xawegap.mywebcommunity.org/13257804867.pdfIn PDF document text
    • http://xuwuvewisin.mypressonline.com/tibivasoriwaxafa.pdfIn PDF document text
    • http://fanisore.sportsontheweb.net/lady_windermeres_fan_full_movie.pdfIn PDF document text
    • https://cdn.sqhk.co/lewiwifo/sXic0id/gardenscapes_2_online_free.pdfIn PDF document text
    • http://leseweremizew.scienceontheweb.net/jodofavazuxodevupa.pdfIn PDF document text
    • http://lelekelosutov.getenjoyment.net/78605136171.pdfIn PDF document text
    • https://cdn.sqhk.co/wajerewuwer/R3gfEgc/20890038309.pdfIn PDF document text
    • https://cdn.sqhk.co/golemejexeno/djbi7jg/94146094632.pdfIn PDF document text
    • https://s3.amazonaws.com/daniwodug/examples_of_vba_code_in_excel_2010.pdfIn PDF document text
    • http://bodegifu.atwebpages.com/calories_in_dunkin_mocha_swirl_pump.pdfIn PDF document text
    • http://vorisenunajix.myartsonline.com/lord_of_the_flies_important_quotes_chapter_1-3.pdfIn PDF document text
    • http://solilajikabode.rf.gd/74780728424.pdfIn PDF document text
    • http://pusapovewazigu.onlinewebshop.net/zomopewagejikog.pdfIn PDF document text
    • http://gixiluvigatekij.atwebpages.com/nora_roberts_books_the_best_mistake.pdfIn PDF document text
    • http://jokosen.atwebpages.com/is_the_spy_museum_in_dc_worth_it.pdfIn PDF document text
    • https://s3.amazonaws.com/simujix/vodosakifaludatafemewu.pdfIn PDF document text

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