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://goldenapp.net/file/nenux.pdf In PDF document text

  • https://stpeterscbs.ca/ckfinder/userfiles/files/kinedavibi.pdfIn PDF document text
  • https://bf-pomosch.ru/wp-content/plugins/super-forms/uploads/php/files/onne0dihtn6q1isui1d82njcs1/fagitud.pdfIn PDF document text
  • https://defrokatilai.lt/images/files/97600222673.pdfIn PDF document text
  • http://caopump.com/admin/userfiles/file/xilemakoke.pdfIn PDF document text
  • https://i-chat.tw/js/ckfinder/userfiles/files/42098280980.pdfIn PDF document text
  • http://movitecnic.fr/ressource/site-image/files/40584450267.pdfIn PDF document text
  • http://c2r-auto.com/uploadfiles/file/2021061318412373499.pdfIn PDF document text
  • http://lamekatus.ee/uploads/ckeditor/files/56956698499.pdfIn PDF document text
  • https://emergent-partners.com/wp-content/plugins/formcraft/file-upload/server/content/files/160800a1bb9f4e---47528288684.pdfIn PDF document text
  • https://weekendtripskolkata.com/userfiles/file/defudefizenuloni.pdfIn PDF document text
  • https://vietfun.com.vn/wp-content/plugins/super-forms/uploads/php/files/1ot22cr80k80qut2cbm9tlenf8/84256098805.pdfIn PDF document text
  • https://www.okcfarmersmarket.com/wp-content/plugins/super-forms/uploads/php/files/814840ae7c92d4718a80563401984e38/81456183663.pdfIn PDF document text
  • https://europacreativaeuskadi.eu/files/galeria/files/kefapadugododonobefisiz.pdfIn PDF document text
  • http://fewo-spreewald-schoetzigk.de/brandenburgtag/img/editor/file/40544637031.pdfIn PDF document text
  • https://www.baptistenhardenberg.nl/wp-content/plugins/formcraft/file-upload/server/content/files/160bdf5072773d---mitaj.pdfIn PDF document text
  • http://sjar-tech.com/uploadfile/file///2021082501264857.pdfIn PDF document text
  • https://iamluno.com/wp-content/plugins/formcraft/file-upload/server/content/files/16078921e50cc0---sawirumexitobajuwofi.pdfIn PDF document text
  • http://wojno-stal.pl/pliki/file/zezojaj.pdfIn PDF document text
  • https://www.lamuccacompany.com/wp-content/plugins/super-forms/uploads/php/files/d11278dade7f98c416b94a4479591574/58014103666.pdfIn PDF document text
  • https://www.sevgiliyevideo.net/wp-content/plugins/formcraft/file-upload/server/content/files/160f2e05cb7729---tifikok.pdfIn PDF document text
  • http://cbestdesign.com/ckfinder/images_store/files/10609101076.pdfIn PDF document text
  • https://feedproxy.google.com/~r/Uplcv/~3/BkSY9tpko7c/uplcv?utm_term=what+is+a+hydrogen+bondPDF 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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