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://plumcourse.com/wp-content/plugins/super-forms/uploads/php/files/8926e7bb5c369be0ec63a6e3cc1c039b/7655346885.pdf In PDF document text

  • https://www.andimoda.com/wp-content/plugins/super-forms/uploads/php/files/582db8fac97137e5547558b73cc84332/26364958154.pdfIn PDF document text
  • https://implant-drill.com/userfiles/file/67575040166.pdfIn PDF document text
  • http://gunjanjain.com/app/webroot/js/uploads/files/61765889787.pdfIn PDF document text
  • http://stopasbestos.ca/wp-content/plugins/formcraft/file-upload/server/content/files/1607262b3e4e3e---20704416014.pdfIn PDF document text
  • https://refundsrefunds.com/wp-content/plugins/formcraft/file-upload/server/content/files/16076610fec783---86390366651.pdfIn PDF document text
  • https://mama-light.net/business_school/uploads/file/venexovakifomu.pdfIn PDF document text
  • http://yokohama-model.com/userfiles/files/75454814029.pdfIn PDF document text
  • https://ceccargiurgiu.ro/userfiles/file/57325769124.pdfIn PDF document text
  • http://www.puhito.hu/uploads/wigopipodiz.pdfIn PDF document text
  • http://test.uebersetzungen-nesselberger.de/wp-content/plugins/formcraft/file-upload/server/content/files/16073edc0dcdbe---61902624130.pdfIn PDF document text
  • http://acudrved.com/ckfinder/userfiles/files/57549578946.pdfIn PDF document text
  • http://kalkulacka-hypo.cz/userfiles/files/68328414799.pdfIn PDF document text
  • https://nutricount.cz/UserFiles/File/dizupewedidoto.pdfIn PDF document text
  • http://www.aportecnica.com/imagenes/editor/file/gomufuzane.pdfIn PDF document text
  • http://ixtvs.de/_upload_bilder/_filemanager/file/pupavis.pdfIn PDF document text
  • http://kpghomerepairs.com/uploads/image/files/58896654955.pdfIn PDF document text
  • https://bouwservicewinthagen.nl/userfiles/image/file/43818919715.pdfIn PDF document text
  • https://cosplay-expo.it/ckfinder/userfiles/files/wuzitufuluxubud.pdfIn PDF document text
  • https://m-astar.com/UserFiles/files/bitiveguxev.pdfIn PDF document text
  • http://alhouti.com/userfiles/file/bagufajozetisumipopofujo.pdfIn PDF document text
  • http://asiavent.com/UserFiles/file///66281037382.pdfIn PDF document text
  • https://heritagelogs.com/wp-content/plugins/super-forms/uploads/php/files/6hod9ajpf8tkbruuts9cse57hh/72563855130.pdfIn PDF document text
  • https://stefandes.com/wp-content/plugins/formcraft/file-upload/server/content/files/1608058479217f---poxis.pdfIn PDF document text
  • http://www.fotografoeventimilano.com/wp-content/plugins/formcraft/file-upload/server/content/files/160982c2a7bb24---kixasevubedasuxi.pdfIn PDF document text
  • https://feedproxy.google.com/~r/skout/mBVl/~3/zMnd8XtcwSM/uplcv?utm_term=sample+personal+statement+for+teaching+assistant+jobPDF 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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