Malicious PDF — malware analysis report

Heuristics 7

• ClamAV: Pdf.Phishing.Trojan-d2568dad23a94d95-d2568dad23a94d95-10044375-0 critical CLAMAV_DETECTION
  ClamAV detected this file as malware: Pdf.Phishing.Trojan-d2568dad23a94d95-d2568dad23a94d95-10044375-0
• 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://synerhu.ru/uplcv?utm_term=small+white+weasel+like+animal PDF link annotation

  • http://infinivideo.hu/sites/infinivideo/files/xitegokigomamofedufuxam.pdfIn PDF document text
  • https://blugarden.eu/file/katepepode.pdfIn PDF document text
  • http://chikatere.com/Upload/files/lijubesomoxaga.pdfIn PDF document text
  • http://www.dkmodels.net/ckfinder/userfiles/files/61163379792.pdfIn PDF document text
  • http://qataminational.com/uploaded_files/userfiles/files/nuzokujarepaf.pdfIn PDF document text
  • http://ccsilver.kr/files/fckeditor/file/290619303610b024a14db0.pdfIn PDF document text
  • https://drivingschoolofnorthtexas.com/wp-content/plugins/formcraft/file-upload/server/content/files/1612487107150f---bakun.pdfIn PDF document text
  • http://nzozkrowodrza.pl/uploads/editor/file/bekimefuwupifumeduki.pdfIn PDF document text
  • https://sg-design.top/wp-content/plugins/super-forms/uploads/php/files/0fcf5ba8014725dc34b251a03e6c2c84/50880951722.pdfIn PDF document text
  • http://poexali.org/static/image/_u/system/files/897762768.pdfIn PDF document text
  • https://tranduongauto.com/app/webroot/files/images/pages/files/bonupeluvisam.pdfIn PDF document text
  • https://www.northamericatalk.com/wp-content/plugins/formcraft/file-upload/server/content/files/16074c519b7296---bulon.pdfIn PDF document text
  • https://memorybg.net/app/templates/js/ckfinder/userfiles/files/36285905899.pdfIn PDF document text
  • http://www.saraviation.com/wp-content/plugins/formcraft/file-upload/server/content/files/1608021294ea6d---sebenu.pdfIn PDF document text
  • https://www.lang-mayer.de/wp-content/plugins/formcraft/file-upload/server/content/files/161190295e5d4f---64695878533.pdfIn PDF document text
  • https://spvi.cn/filespath/files/20210807200311.pdfIn PDF document text
  • http://sanitaerprofi.ch/fckeditor/editor/images/file/jopaf.pdfIn PDF document text
  • http://hrt-foto.hu/_user/file/kanoxipibisidikuse.pdfIn PDF document text
  • https://aydin-elektrik.com/resimler/files/xepuxogazi.pdfIn PDF document text
  • http://xn----8sbpvg0afdbe.xn--p1ai/wp-content/plugins/super-forms/uploads/php/files/ls3co2kgp404fb33taflm8qkd7/49893887266.pdfIn PDF document text
  • http://pantanalmsnews.com.br/ckfinder/userfiles/files/86021950516.pdfIn PDF document text
  • http://yokohama-model.com/userfiles/files/2570031464.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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