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://laborke.ru/uplcv?utm_term=creamed+pearl+onions+recipe+with+milk PDF link annotation

  • https://n95america.com/wp-content/plugins/super-forms/uploads/php/files/6c62747797cd2dfc77005010b1a518d7/18971335101.pdfIn PDF document text
  • https://gmt-tw.com/app/webroot/userfiles/files/zinofefepenom.pdfIn PDF document text
  • https://soudurelauziere.com/upload/editor/file/lojaxatupozumotadiwet.pdfIn PDF document text
  • http://lichnyiybrand.ru/wp-content/plugins/formcraft/file-upload/server/content/files/1606d5d51b2f32---38293619789.pdfIn PDF document text
  • http://in-dapt.com/wp-content/plugins/formcraft/file-upload/server/content/files/160bb93ae7d0d2---79179107524.pdfIn PDF document text
  • http://battlegrouponline.com/app/webroot/js/ckfinder/userfiles/files/mivugodanokugenafabopeso.pdfIn PDF document text
  • https://manhremhoangvan.com/wp-content/uploads/files/temedufijevavisuxojotor.pdfIn PDF document text
  • https://sygimportaciones.com/wp-content/plugins/super-forms/uploads/php/files/89qbv4h4jcbab889mc1sd4c6qd/72960794622.pdfIn PDF document text
  • https://mudateconmigo.cl/wp-content/plugins/super-forms/uploads/php/files/8369ff006b519d688feb167a50f1ec1e/73984486166.pdfIn PDF document text
  • http://www.sevenchurchestour.net/seven/wp-content/plugins/formcraft/file-upload/server/content/files/160731eede0c02---doxazefupib.pdfIn PDF document text
  • http://luvnchrlysenglishtoys.com/clients/861429/File/sajiwiwakaf.pdfIn PDF document text
  • https://www.superioreagle.com/wp-content/plugins/formcraft/file-upload/server/content/files/160c2555cf16e6---9972327361.pdfIn PDF document text
  • http://qkmedica.com/uploads/userfiles/file/91702914824.pdfIn PDF document text
  • http://avtoarka.ru/wp-content/plugins/super-forms/uploads/php/files/d676765b4ba86bb6faffa7c5202db4a6/74944909999.pdfIn PDF document text
  • http://thm-holding.ru/wp-content/plugins/super-forms/uploads/php/files/213337f99bec542333d95929e6a5f50a/5344209520.pdfIn PDF document text
  • https://studio45.live/wp-content/plugins/super-forms/uploads/php/files/6ujq7j7hcuamkc64ofckbtmu0d/40950543983.pdfIn PDF document text
  • http://suphammamnon.org/uploads/files/livene.pdfIn PDF document text
  • https://legend-chang.com/UserFiles/files/46640696592.pdfIn PDF document text
  • http://niezapominajkowo.eu/userfiles/file/52296582734.pdfIn PDF document text
  • http://siciny.eu/userfiles/file/93303281048.pdfIn PDF document text
  • https://rajakeempat.com/contents//files/40673949215.pdfIn PDF document text
  • https://www.kiteschule-kiel.de/wp-content/plugins/formcraft/file-upload/server/content/files/1608b8798b304f---pawesed.pdfIn PDF document text
  • https://www.siemers-deutschmann.de/wp-content/plugins/super-forms/uploads/php/files/g8iipv46le7v5mf841a5vh2nsj/busalivebu.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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