Malicious PDF — malware analysis report

Static analysis result for SHA-256 862046c0cbf5feed…

MALICIOUS

PDF

48.0 KB Created: 2021-09-29 12:03:13 +03:00 Authoring application: wkhtmltopdf 0.12.5 (via Qt 5.11.3) First seen: 2021-10-27
MD5: c724668973c9126453780ba87d98446c SHA-1: 18fe62c16fec2ac0e8672d8aeb28fa58e8a654d9 SHA-256: 862046c0cbf5feed9178234018cb72fbb3891143d59b6ed8478eb665cd3a9961
124 Risk Score

Malware Insights

MITRE ATT&CK
T1566.001 Spearphishing Attachment

This PDF file was identified as malicious by ML classifiers and ClamAV, indicating a high likelihood of malicious intent. It functions as a link farm, containing numerous external URIs pointing to various domains, suggesting an attempt to redirect users to potentially harmful content or phishing sites. The presence of 'utm_term' parameters in some URLs indicates tracking or campaign-specific lures.

Machine Learning

  • Nyx PDF Classifier malicious score 0.6966

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://wastran.ru/uplcv?utm_term=gomovies+criminal+minds PDF link annotation
    • https://ski-valloire.com/ckfinder/userfiles/files/19186049830.pdfIn PDF document text
    • https://balmbeach.hometeamcorp.com/images/usr/xenalawinebo.pdfIn PDF document text
    • http://mgtuae.com/uploads/file/41841304600.pdfIn PDF document text
    • http://anhuishangbiao.com/upload_fck/file/2021-9-24/20210924221409150997.pdfIn PDF document text
    • http://dekobonner.de/userfiles/file/fixigogerixab.pdfIn PDF document text
    • http://dalhousieretreat.com/cote_dor_import/admin/ckfinder/userfiles/files/bidunupunubisapilira.pdfIn PDF document text
    • http://abbeytraining.net/userfiles/file/gizololufedirunu.pdfIn PDF document text
    • http://elcwma.com/customer/3/d/9/3d947ad6ce2568d98b832ccf5548371bFile/87867241391.pdfIn PDF document text
    • http://olympicthesportshop.in/uploads/88170655586.pdfIn PDF document text
    • http://alvasari.com/wp-content/plugins/formcraft/file-upload/server/content/files/1613f9e1c27b88---semam.pdfIn PDF document text
    • http://nhatrangpalacehotel.com/app/webroot/upload/files/fulubilusefetaxa.pdfIn PDF document text
    • http://batiment-tunisie.com/userfiles/file/99551563677.pdfIn PDF document text
    • http://azinsaghf.com/cache/fck_files/file/semijimuruxaf.pdfIn PDF document text
    • https://lifecareproduct.in/ckfinder/userfiles/files/41888147197.pdfIn PDF document text
    • http://chi-kara.net/userfiles/file/zanajefu.pdfIn PDF document text
    • http://ttlengenharia.com.br/wp-content/plugins/formcraft/file-upload/server/content/files/1613326a0eb712---ginedazekam.pdfIn PDF document text
    • http://trevelsi.ru/ckfinder/userfiles/files/15832482230.pdfIn PDF document text
    • http://prosefkuchare.cz/userfiles/97228334548.pdfIn PDF document text
    • http://edmo-cars.nl/images/file/numexuburebagujagugifu.pdfIn PDF document text
    • http://lrm.mcdonalds.ua/ckfinder/userfiles/files/91128605858.pdfIn PDF document text
    • https://songhongresort.com/img/files/xazibarivarixudotaxi.pdfIn PDF document text
    • https://cicimanis.com/contents/files/zekexaposovadujogukigosar.pdfIn PDF document text

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