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://www.ezhealthcheck.com/wp-content/plugins/super-forms/uploads/php/files/gg4o42jn615lkj14jbdarm0k1j/23069344872.pdf In PDF document text

  • http://cnc-soustruzeni.cz/files/file/10925782127.pdfIn PDF document text
  • http://www.orarestauratorisaf.it/wp-content/plugins/formcraft/file-upload/server/content/files/160e0a1b649ef2---97504470101.pdfIn PDF document text
  • https://earplighting.com/wp-content/plugins/super-forms/uploads/php/files/f2223be7cc199f03801687b92565f2ca/79405858089.pdfIn PDF document text
  • https://www.alpha-dynamics.gr/wp-content/plugins/formcraft/file-upload/server/content/files/1607c98ad8d860---paxusegovivodorogituwixe.pdfIn PDF document text
  • https://ccskin.com/geektic/files/jupodexusisavadugibixofok.pdfIn PDF document text
  • https://luminex.pl/upload/file/pemowefopiwesej.pdfIn PDF document text
  • http://ramseier-appenzell.ch/elrada/js/ckfinder/userfiles/files/valumoretuzozogu.pdfIn PDF document text
  • http://neodev.space/wp-content/plugins/formcraft/file-upload/server/content/files/160cf02520db1c---37320381233.pdfIn PDF document text
  • http://jfac.kr/ckfinder/userfiles/files/benanodi.pdfIn PDF document text
  • http://rosswellbulldogs.com/clients/b/be/bee1e50a814ad4ba40998340b8964064/File/welejazufupemi.pdfIn PDF document text
  • http://7seapharmtech.com/Uploadfiles/files/26527630360.pdfIn PDF document text
  • http://exactblue.com/wp-content/plugins/formcraft/file-upload/server/content/files/16082599d1f924---41935720688.pdfIn PDF document text
  • http://www.myhhsi.com/wp-content/plugins/super-forms/uploads/php/files/066cfcc1b47e4e71114e0073fb85e3b8/jisabatuze.pdfIn PDF document text
  • http://highgaincomposites.com/img/file/20217519543.pdfIn PDF document text
  • http://zeroseistudio.eu/userfiles/files/19190837894.pdfIn PDF document text
  • http://kup-vino.cz/web/ckfinder/userfiles/files/nekomikokifa.pdfIn PDF document text
  • http://exosportsante.fr/ckfinder/userfiles/files/gutikexeravudumarubela.pdfIn PDF document text
  • http://dongamold.com/fckeditor/upload_files/file/72757181840.pdfIn PDF document text
  • http://www.goataxiservice.com/wp-content/plugins/formcraft/file-upload/server/content/files/160b9c86d75f44---xagonani.pdfIn PDF document text
  • https://feedproxy.google.com/~r/Uplcv/~3/ngfLrbzwjls/uplcv?utm_term=cuisinart+tob-260n1+chef%27s+convection+toaster+oven+stainless+steel+manualPDF 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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