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.
• Embedded JS stream low PDF_JS
  PDF references a /JS stream. Generic JavaScript is common in benign forms; specific dangerous APIs are scored by separate rules.
• 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 https://allytemp.ru/uplcv?utm_term=example+of+comparison PDF link annotation

  • https://tocgia247.com/wp-content/plugins/super-forms/uploads/php/files/5mncg410t65j8rqr6en7h47c85/55307562126.pdfIn PDF document text
  • http://nnk.gr/wp-content/plugins/formcraft/file-upload/server/content/files/1609d7e7e58a97---jesubomixuluwovawasozaneg.pdfIn PDF document text
  • http://capital96.com/userfiles/file/xitujafuxurolege.pdfIn PDF document text
  • https://greenfuturevietnam.com/Upload/files/sizatogabafezoxabij.pdfIn PDF document text
  • http://csc0311.com/userfiles/file/20210810232004_191njn.pdfIn PDF document text
  • http://m-styleauto.com/js/upload/files/debowomezunetuv.pdfIn PDF document text
  • https://ooo-kenk.ru/userfiles/file/waxozavi.pdfIn PDF document text
  • http://ahkjt.com/upfile/file/77277926303.pdfIn PDF document text
  • http://snsi.jp/image/news_file/metipo.pdfIn PDF document text
  • http://talentfuturesservices.com/sharpinstitute/images/files/tugudotabobe.pdfIn PDF document text
  • https://djhelaly.com/wp-content/plugins/super-forms/uploads/php/files/293386e7a7a67814e7efd286e9b41db3/jegitezoraz.pdfIn PDF document text
  • https://costabravas.com/uploads/localidades/files/jugupopebor.pdfIn PDF document text
  • https://alfa-clining.ru/wp-content/plugins/super-forms/uploads/php/files/445d6eec0014f0b36c41b3afa277b5fd/39434495684.pdfIn PDF document text
  • https://kamber.dk/wp-content/plugins/super-forms/uploads/php/files/642d2c1e19cc64e25a546228f803a31f/58016405123.pdfIn PDF document text
  • https://allianceflooring.net/wp-content/plugins/super-forms/uploads/php/files/b2b679e5a725d03640d29f6902a0dbff/tejifikutijipobugoned.pdfIn PDF document text
  • https://uleshuzataruhaz.hu/files/file/tavujewepetabul.pdfIn PDF document text
  • https://gencatakan.com/upload/file/bagezu.pdfIn PDF document text
  • http://sushimura1.com/uploads/files/84851685902.pdfIn PDF document text
  • http://imagespa.mx/wp-content/plugins/formcraft/file-upload/server/content/files/1606ec4b9eed63---14014318881.pdfIn PDF document text
  • https://veritiesinstitute.com/wp-content/plugins/super-forms/uploads/php/files/098135d688401fb5d65bf11dfcc00b3a/45656902031.pdfIn PDF document text
  • http://www.mvdisposal.com/wp-content/plugins/formcraft/file-upload/server/content/files/160d9f43895ab2---bewawov.pdfIn PDF document text
  • https://www.saltriot.com/wp-content/plugins/super-forms/uploads/php/files/fc4796ef1f12ebd7d781c3aa72970e0b/makubava.pdfIn PDF document text
  • http://radioevangilereal.com/assets/ckfinder/core/connector/php/uploads/files/1046053048.pdfIn PDF document text
  • 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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