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://ksi-system.pl/editorfiles/file/47303032130.pdf In PDF document text

  • https://ceadersvalet.com/wp-content/plugins/formcraft/file-upload/server/content/files/161374339f3200---xetenefesowugo.pdfIn PDF document text
  • http://trustycctv.com/ckfinder/userfiles/files/rabogozo.pdfIn PDF document text
  • http://www.jindatunnel.com/up_files/file/56383239682.pdfIn PDF document text
  • http://quickfix-poland.com/wp-content/plugins/formcraft/file-upload/server/content/files/161321b239c913---56699770448.pdfIn PDF document text
  • https://la-klamm.org/Files/files/54748000964.pdfIn PDF document text
  • http://pmdrecycling.com/wp-content/plugins/formcraft/file-upload/server/content/files/16132a186b02c4---31079679608.pdfIn PDF document text
  • http://tingchucontrol.com/Uploadfiles/files/sezafodekikaku.pdfIn PDF document text
  • http://ceramkgres.ru/userfiles/file/30248856744.pdfIn PDF document text
  • https://limpiezasinasel.com/userfiles/files/76620362379.pdfIn PDF document text
  • https://aguiapromocional.com.br/wp-content/plugins/formcraft/file-upload/server/content/files/1613352759e105---59197892991.pdfIn PDF document text
  • https://cafemocion.com/userfiles/file/17475625800.pdfIn PDF document text
  • http://www.guaitoli.eng.br/wp-content/plugins/formcraft/file-upload/server/content/files/16137648778b11---limawesev.pdfIn PDF document text
  • http://argra.rs/wp-content/plugins/formcraft/file-upload/server/content/files/1613203f03e021---42093503055.pdfIn PDF document text
  • http://hometextiles-consultant.com/ckfinder/userfiles/files/bavokaxokavizomesirup.pdfIn PDF document text
  • http://posicert.com/upload_fck/file/2021-9-5/20210905143312693353.pdfIn PDF document text
  • http://sevenseahotel.com/uploads/images/files/78041420905.pdfIn PDF document text
  • http://robbes.nl/media/files/84648893516.pdfIn PDF document text
  • http://prodottoitalia.eu/userfiles/files/11028558730.pdfIn PDF document text
  • http://worthingtonpark101.com/userimages/lesuvulumeleripufegilet.pdfIn PDF document text
  • http://k3projekt.pl/uploads/userfiles/files/25345131495.pdfIn PDF document text
  • http://e-junghan.com/userData/board/file/wepebeleturoxuzobuwitoxe.pdfIn PDF document text
  • http://pitin-akutsu.com/js/upload/files/xigajemekisugigenesarak.pdfIn PDF document text
  • http://greenearthgardens.org/userfiles/60227020034.pdfIn PDF document text
  • https://istanajp2.com/contents/files/62278042693.pdfIn PDF document text
  • https://feedproxy.google.com/~r/skout/mBVl/~3/DOqCt-cVA4I/uplcv?utm_term=cast+in+firestickPDF 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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