Malicious PDF — malware analysis report

Heuristics 6

• 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.
• 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://kurashi-kyoiku.com/cms/dat/upimg/file/pinumikuwukakobenejap.pdf In PDF document text

  • http://lezeckastenakosice.sk/upload/files/lunowo.pdfIn PDF document text
  • http://fouladsazanco.com/Upload/file/7007243197.pdfIn PDF document text
  • https://alice-immo.com/userfiles/file/puvifirup.pdfIn PDF document text
  • https://tucarrorentacar.co/ckfinder/userfiles/files/87354251860.pdfIn PDF document text
  • http://staropolski.net/Upload/file/24176131562.pdfIn PDF document text
  • http://turnwealthy.com/ckfinder/userfiles/files/91866299860.pdfIn PDF document text
  • https://aldea.work/wp-content/plugins/super-forms/uploads/php/files/07e8879bab287d9959e946d4f647c738/sojimowigatodilasujo.pdfIn PDF document text
  • http://www.fliesen-brill.de/wp-content/plugins/formcraft/file-upload/server/content/files/1606cb3ee4b582---40391778753.pdfIn PDF document text
  • https://autotrilogy.com/wp-content/plugins/super-forms/uploads/php/files/a4f9ae44b799a57bc6af687eca741e31/63764660362.pdfIn PDF document text
  • http://www.gunyagder.org.tr/wp-content/plugins/super-forms/uploads/php/files/ul2rbe7rv1b6h61ttre5rl6hh4/44639990401.pdfIn PDF document text
  • http://becro-plast.hr/wp-content/plugins/formcraft/file-upload/server/content/files/160c86606aab44---wigukizamitegamoweginowen.pdfIn PDF document text
  • http://luvnchrlysenglishtoys.com/clients/861429/File/mugibexo.pdfIn PDF document text
  • https://www.kalirich.com/wp-content/plugins/super-forms/uploads/php/files/j5tkvfs4rcaiia78jv25jjpdd1/6488067999.pdfIn PDF document text
  • http://www.playerclub.ro/wp-content/plugins/formcraft/file-upload/server/content/files/1609238f50d8c5---kojepon.pdfIn PDF document text
  • https://preprodpcb.com/userfiles/files/98937338888.pdfIn PDF document text
  • http://laarakkers.com/ckfinder/userfiles/files/13012517386.pdfIn PDF document text
  • https://agrotehholding.ru/wp-content/plugins/super-forms/uploads/php/files/84cb5e8d7f9444da5cca96a95fe4aaa5/20343471118.pdfIn PDF document text
  • https://pabausa.org/wp-content/plugins/formcraft/file-upload/server/content/files/160fc109512fc7---25804231551.pdfIn PDF document text
  • https://iamluno.com/wp-content/plugins/formcraft/file-upload/server/content/files/1610026a22d85a---judelapet.pdfIn PDF document text
  • https://a2designbg.com/userfiles/file/vuzirix.pdfIn PDF document text
  • http://greenbrier101.com/userimages/1892878656.pdfIn PDF document text
  • http://lycee-elm.org/userfiles/file/tolepalujadofeti.pdfIn PDF document text
  • https://www.bountyvacation.com/wp-content/plugins/formcraft/file-upload/server/content/files/160b693a756745---doximabawenekexax.pdfIn PDF document text
  • https://www.citysecurity.org.uk/wp-content/plugins/super-forms/uploads/php/files/mriu9v3pkpnm0gapl1ef807h06/jalufuviwujopo.pdfIn PDF document text
  • https://feedproxy.google.com/~r/Uplcv/~3/1xuhb7AK25c/uplcv?utm_term=texto+informativo+corto+para+ni%C3%B1os+de+primariaPDF 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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