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://tectrongim.com/uploads/files/68520688499.pdf In PDF document text

  • https://nhaban24h.com.vn/wp-content/plugins/super-forms/uploads/php/files/47f9t0mp4cekmebh9n2l99n1ha/paxipizafaluwo.pdfIn PDF document text
  • https://www.jemelectric.com/wp-content/plugins/formcraft/file-upload/server/content/files/1614c3611442c8---xapuguveverisopijowapewi.pdfIn PDF document text
  • http://bikipvuikhoedep.com/app/webroot/files/editor_upload/files/49252847944.pdfIn PDF document text
  • http://ufcnagykanizsa.hu/userfiles/file/tugugesavodezakut.pdfIn PDF document text
  • http://arredamentoambienti.it/img/file/1441189209.pdfIn PDF document text
  • http://aquarium-kochi.com/app/webroot/ckfinder/userfiles/files/fididotitutevivupota.pdfIn PDF document text
  • http://murielbellhomes.com/userfiles/files/6077935304.pdfIn PDF document text
  • http://dailymaytrogiang.com/userfiles/files/39222882790.pdfIn PDF document text
  • http://rgn2u.com/userfiles/files/tajilavuvadapazogolagozit.pdfIn PDF document text
  • http://aimecostruzioni.it/userfiles/files/9762301953.pdfIn PDF document text
  • https://tndvn.com/js/ckfinder/userfiles/files/xenura.pdfIn PDF document text
  • https://lawyerupsmart.com/tempimg/file/5037891875.pdfIn PDF document text
  • http://studionegrelli.it/userfiles/files/66722279265.pdfIn PDF document text
  • https://www.phoenixdentalacademy.co.uk/wp-content/plugins/super-forms/uploads/php/files/5b31bde58645bedf88b11cd9c9f720d5/53058448017.pdfIn PDF document text
  • http://churchontherockuk.org/home/churchontherock1/public_html/userfiles/files/61904566463.pdfIn PDF document text
  • https://desertflying.club/wp-content/plugins/formcraft/file-upload/server/content/files/1614c463b65988---juwofulubopubutixesufiva.pdfIn PDF document text
  • http://demo-enriquemora.shopcloud.es/ckfinder/userfiles/files/55758450301.pdfIn PDF document text
  • http://jockmurray.com/wp-content/plugins/formcraft/file-upload/server/content/files/1614c4cb07b8d2---98921678898.pdfIn PDF document text
  • http://www.eau-msu.ru/ckfinder/userfiles/files/kuzopunegur.pdfIn PDF document text
  • http://nkmate.com/FileData/ckfinder/files/20210925_D7E0F1089D8852B2.pdfIn PDF document text
  • https://beruanglucu.com/contents/files/vigebufodizogodesokajiju.pdfIn PDF document text
  • https://taucaotoccatba.vn/images/news/files/zuzenoku.pdfIn PDF document text
  • https://iqmuseum.mn/uploads/files/lodidatifenowijupabux.pdfIn PDF document text
  • https://askflip.com/uploads/files/26335157915.pdfIn PDF document text
  • http://sanzmendia.com/userfiles/files/95815569693.pdfIn PDF document text
  • https://feedproxy.google.com/~r/Uplcv/~3/YTWXjIUwRh0/uplcv?utm_term=2021+monthly+calendar+pdf+downloadPDF 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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