Malicious PDF — malware analysis report

Heuristics 7

• ClamAV: Pdf.Phishing.Trojan-d2528dad23a95d95-d2528dad23a95d95-10044376-0 critical CLAMAV_DETECTION
  ClamAV detected this file as malware: Pdf.Phishing.Trojan-d2528dad23a95d95-d2528dad23a95d95-10044376-0
• PDF link farm points to compromised-WordPress upload storage medium PDF_COMPROMISED_CMS_UPLOAD_LINK_FARM
  PDF contains multiple clickable links, across many distinct hosts, whose targets are random-slug files parked in the upload directories of vulnerable WordPress form plugins (FormCraft, Super Forms). This is the hallmark of the 'free document/template' SEO phishing PDF family, which ranks for search queries and routes users into payload/redirect chains hosted on compromised sites. The PDF itself carries no exploit — the risk is the linked destinations.
• 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.
• Callback phishing phone lure medium SE_CALLBACK_LURE
  Document asks the user to call a phone number in billing, refund, subscription, fraud, or security context — consistent with callback phishing or tech-support scam patterns. Suppressed for legitimate-issuer (IRS/gov/official-form) or Microsoft license-boilerplate documents that carry no urgency or charge/dispute escalation.
• External URI info PDF_URI
  PDF contains an external URL action
• Object number defined twice with different bodies info PDF_DUPLICATE_OBJ_BODY_INCREMENTAL
  The same indirect object (N G) is defined more than once with different body bytes. First-wins and last-wins readers will resolve different content, which is a parser-confusion shape used by targeted PDFs. Body-only differences are common in benign incremental updates, so severity is raised only when the duplicate carries active content.
• 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 http://guides2alpes.org/uploads/file/vikawebizunaxopuxoja.pdf In PDF document text

  • https://vmkstroi.ru/wp-content/plugins/super-forms/uploads/php/files/780ddf40d83bdf2a55b8af5c6c1edf36/82061090812.pdfIn PDF document text
  • https://brusroom.com/wp-content/plugins/super-forms/uploads/php/files/21c9e56c7bca945d712aa7f0cecb415e/90179408353.pdfIn PDF document text
  • http://az4group.com.br/wp-content/plugins/formcraft/file-upload/server/content/files/1607b07b0a2300---simok.pdfIn PDF document text
  • http://www.1000ena.com/wp-content/plugins/formcraft/file-upload/server/content/files/160d1c32bc5132---nigovezonalero.pdfIn PDF document text
  • http://aldara-latinoamerica.com/userfiles/file/xudekufupotixobatuna.pdfIn PDF document text
  • http://actionelectric.pt/www/wp-content/plugins/formcraft/file-upload/server/content/files/160b7ed3a9ffc7---87891136142.pdfIn PDF document text
  • https://www.superioreagle.com/wp-content/plugins/formcraft/file-upload/server/content/files/160bf4435b9c3e---37612048440.pdfIn PDF document text
  • https://www.allterra.group/wp-content/plugins/super-forms/uploads/php/files/f26f96b4601a465bdbe83266e3252465/95517848530.pdfIn PDF document text
  • http://sosnovgeo.ru/userfiles/file/tugorejejaxulap.pdfIn PDF document text
  • https://www.higher-energy-trampolineclub.com/wp-content/plugins/formcraft/file-upload/server/content/files/1607c0ec2b6196---13006388439.pdfIn PDF document text
  • https://ahi.com.ua/wp-content/plugins/super-forms/uploads/php/files/a3e29b1eb58e50d5ee4092661f9e7b96/69325530319.pdfIn PDF document text
  • https://wlao.on.ca/wp-content/plugins/super-forms/uploads/php/files/e9de91b911f9e54444da3f88557ed704/siratefirejamejoroki.pdfIn PDF document text
  • http://fatamorgana.fr/uploads/assets/file/97151713835.pdfIn PDF document text
  • http://bachova-terapia.sk/images/file/sedokupumaweb.pdfIn PDF document text
  • http://remproekt-m.ru/admin/ckfinder/userfiles/files/34826377343.pdfIn PDF document text
  • https://accuratesearch.com/userfiles/file/13659227897.pdfIn PDF document text
  • https://www.varishastalari.com/wp-content/plugins/formcraft/file-upload/server/content/files/16086728f90734---92666197875.pdfIn PDF document text
  • http://niestachow.pl/data/aktualnosci_imgs/file/dekozevu.pdfIn PDF document text
  • http://soflocops.org/clients/83264/File/sijeve.pdfIn PDF document text
  • https://www.msolartop.cz/wp-content/plugins/formcraft/file-upload/server/content/files/160a9a8d519cab---xepuga.pdfIn PDF document text
  • http://klingende-zeder.de/wp-content/plugins/formcraft/file-upload/server/content/files/160bbcc4d72ff6---22565072178.pdfIn PDF document text
  • https://feedproxy.google.com/~r/Uplcv/~3/PmAiG5ZyT-k/uplcv?utm_term=the+after+seriePDF link annotation
  • http://www.w3.org/1999/02/22-rdf-syntax-ns#In PDF document text
  • http://purl.org/dc/elements/1.1/In PDF document text
  • http://ns.adobe.com/pdf/1.3/In PDF document text
  • http://ns.adobe.com/xap/1.0/In PDF document text
  • http://ns.adobe.com/xap/1.0/mm/In PDF document text
  • http://ns.adobe.com/xap/1.0/rights/In PDF document text
  • http://dejavu.sourceforge.netIn PDF document text
  • http://dejavu.sourceforge.net/wiki/index.php/LicenseIn PDF document text

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