Malicious PDF — malware analysis report

Static analysis result for SHA-256 120bf14f015bf187…

MALICIOUS

PDF

76.3 KB Created: 2021-03-27 15:44:51 +02:00 Authoring application: wkhtmltopdf 0.12.5 (via Qt 4.8.7)
MD5: 17f19aa685c0e79a3949589794c0bd5e SHA-1: 4016640d486a8a3c6f2b505e05bcdbb99eee78af SHA-256: 120bf14f015bf187ad183b26b4ebdb90e03b214c820e398b89958f03225a45b7
124 Risk Score

Malware Insights

MITRE ATT&CK
T1566.001 Spearphishing Attachment

The PDF contains numerous embedded URLs pointing to external websites, suggesting a phishing or malware distribution attempt. The heuristic 'PDF_SEO_DISPOSABLE_LINK_FARM' indicates a large number of links hosted on disposable domains, further supporting this. Although no scripts were extracted, the presence of external links and the ML classifier's high confidence score point towards malicious intent.

Machine Learning

  • Nyx PDF Classifier malicious score 0.5828

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://kuzutuzo.ru/award?keyword=washington+dc+metro+map+pdf
    • https://nimifitirujaga.weebly.com/uploads/1/3/4/6/134693460/dipomomo_liruluwepup_kivebireneku.pdf
    • https://xetudutadoboja.weebly.com/uploads/1/3/4/3/134344850/gozazamezefi-mekinezile-waxoxijogewiju.pdf
    • https://cdn-cms.f-static.net/uploads/4453721/normal_604b0ab2e4880.pdf
    • https://static.s123-cdn-static.com/uploads/4418584/normal_6005e43bc9672.pdf
    • http://peluxuba.sportsontheweb.net/32844915696.pdf
    • https://cdn.sqhk.co/zikegasenar/8jfm2Tw/world_war_iii_1982_full_movie.pdf
    • https://fanejutasoja.weebly.com/uploads/1/3/5/3/135399707/nepofunatu.pdf
    • http://tijudozi.scienceontheweb.net/33747745930.pdf
    • https://cdn.sqhk.co/fidakasari/vujefja/71395001469.pdf
    • https://cdn.sqhk.co/sebixodof/agcjfig/nulezuzepadak.pdf
    • https://cdn-cms.f-static.net/uploads/4375702/normal_601ed59cd281c.pdf
    • https://cdn-cms.f-static.net/uploads/4416513/normal_60555053411a0.pdf
    • https://jovinafunen.weebly.com/uploads/1/3/2/6/132695325/2120127.pdf
    • https://cdn.sqhk.co/wejuladuke/fhehfjh/67493249276.pdf
    • https://tevirilozarenov.weebly.com/uploads/1/3/2/6/132695732/jaralavobemazim.pdf
    • https://s3.amazonaws.com/mejados/rulasutudosoviwizunubovi.pdf
    • https://s3.amazonaws.com/sugowubuf/brush_script_mt_bold_font_free.pdf
    • https://uploads.strikinglycdn.com/files/3a444f80-bbe7-4d82-9fbe-b1ce60819729/lasupokolujub.pdf
    • http://zirutabu.myartsonline.com/kajowibakozalod.pdf
    • https://uploads.strikinglycdn.com/files/fa4c73e6-d1b7-4ff4-8cc2-8c3f884c06c8/53117762434.pdf
    • https://s3.amazonaws.com/xuvamuba/valguero_ark_expansion_map.pdf
    • https://uploads.strikinglycdn.com/files/44c8a45a-223f-4fe5-969e-0703766331bd/netilekiwamibazifekezuted.pdf
    • https://s3.amazonaws.com/jijumupade/xiguxuzubadimugeloripilam.pdf

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