Malicious PDF — malware analysis report

Static analysis result for SHA-256 2e2f8ecff753fe60…

MALICIOUS

PDF

58.9 KB Created: 2021-10-05 03:09:19 +03:00 Authoring application: wkhtmltopdf 0.12.5 (via Qt 5.11.3) First seen: 2021-11-24
MD5: df595a3895ad04e546654b09a6bb648e SHA-1: d687fa172756e4937e00278b87473eb169c47df2 SHA-256: 2e2f8ecff753fe608062eb5e9f3d1c2744f60ecb7ce63a8940a51a7add19481c
94 Risk Score

Malware Insights

MITRE ATT&CK
T1566.001 Spearphishing Attachment

The file is identified as malicious by ClamAV and exhibits characteristics of a link farm, with numerous embedded URLs pointing to disposable hosting. The PDF document's structure and the presence of external URIs suggest an attempt to redirect users to potentially harmful websites, likely for phishing or malware delivery. No scripts were extracted, but the overall pattern indicates a malicious intent to leverage external resources.

Machine Learning

  • Nyx PDF Classifier suspicious score 0.4489

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://laborke.ru/uplcv?utm_term=how+to+draw+warrior+cats PDF link annotation
    • https://ykitraders.com/UserFiles/file/saludubunopibifuguvabuve.pdfIn PDF document text
    • https://chokysitohang.com/Uploads/userfiles/files/potaxomimelevobuniwez.pdfIn PDF document text
    • http://abwbaltimore.com/uploads/files/85956148805.pdfIn PDF document text
    • http://wagnerpc.com/userfiles/files/43829287466.pdfIn PDF document text
    • http://highdeal.linkeo.net/ckfinder/userfiles/files/wasadopij.pdfIn PDF document text
    • http://xn--b1akwe.xn--p1ai/userfiles/file/banimonerupeluxa.pdfIn PDF document text
    • http://tks-forever.com/upload/2021/09/13/file/sogudirexukifusonub.pdfIn PDF document text
    • http://superlitefan.com/uploads/files/furevizanodenaserozox.pdfIn PDF document text
    • http://lex.tj/img/file/zixip.pdfIn PDF document text
    • http://euroteam.vn/ckfinder/userfiles/files/gokusabilirikupalilawi.pdfIn PDF document text
    • http://lombardpruszkow.pl/local/userfiles/file/rokazepawawivowikube.pdfIn PDF document text
    • http://lightofislamonair.org/uploads/files/77393725670.pdfIn PDF document text
    • https://exclusivelimoservice.com/ckfinder/userfiles/files/risutetunelivo.pdfIn PDF document text
    • http://mackits.eu/image/75620545781.pdfIn PDF document text
    • http://kenshopvn.com/uploads/files/suwovazobozezevikino.pdfIn PDF document text
    • https://www.tamilsaga.com/ckfinder/userfiles/files/6552371348.pdfIn PDF document text
    • http://www.impactit.in/ckfinder/userfiles/files/regodijomataxewaju.pdfIn PDF document text
    • http://www.kickcommerce.com/userfiles/file/nifisuzimufoxujatexomeves.pdfIn PDF document text
    • http://bagliodeimille.it/userfiles/files/23445379999.pdfIn PDF document text
    • http://unixsensor.com/uploads/files/202109201049509296.pdfIn PDF document text
    • http://uzmansporzeminkaplama.com/resimler/files/63579787823.pdfIn PDF document text
    • https://metroguards.com.au/wp-content/plugins/formcraft/file-upload/server/content/files/161386710b1182---91830656177.pdfIn PDF document text
    • https://sf-tfi-pgu.uz/wp-content/plugins/super-forms/uploads/php/files/773cb0f6187d1cf6d8339f06bf733482/diwijelawegidug.pdfIn PDF document text
    • http://ongxoanhdpe.vn/upload/files/vububirelajusisu.pdfIn PDF document text
    • http://itena.si/uporabnik/file/87494661903.pdfIn PDF document text
    • https://cottonweb.net/userfiles/file/varaxopajiwonijevore.pdfIn PDF document text

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