Malicious PDF — malware analysis report

Heuristics 6

• ClamAV: Pdf.Phishing.Trojan-d2528dad23a95d95-d2528dad23a95d95-10044376-0 critical CLAMAV_DETECTION
  ClamAV detected this file as malware: Pdf.Phishing.Trojan-d2528dad23a95d95-d2528dad23a95d95-10044376-0
• 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.
• 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://infrive.ru/uplcv?utm_term=nelson+mathematics+7+pdf+download+free PDF link annotation

  • http://libertyquad72.fr/userfiles/file/64775769212.pdfIn PDF document text
  • http://cmrivestimenti.com/userfiles/files/81987879802.pdfIn PDF document text
  • https://drahmetbostanci.com/wp-content/plugins/formcraft/file-upload/server/content/files/160804647c1939---74807664402.pdfIn PDF document text
  • http://www.loicadesacavem.pt/wp-content/plugins/formcraft/file-upload/server/content/files/160a13e900d286---wukidijorazuripux.pdfIn PDF document text
  • http://gingerwooddesign.com/wp-content/plugins/formcraft/file-upload/server/content/files/160cdcadb26e39---nosukosasadi.pdfIn PDF document text
  • http://mko-yug.ru/wp-content/plugins/super-forms/uploads/php/files/dfb06a27c28e1fd5cd5b6fbe8f238516/sojeramitu.pdfIn PDF document text
  • https://biogenetixpharma.com/ci/userfiles/files/79440199817.pdfIn PDF document text
  • https://snabavto.com/wp-content/plugins/formcraft/file-upload/server/content/files/1607f72cab133e---zewojapifebapepo.pdfIn PDF document text
  • http://svsteinfurth.de/radsportfiles/file/migexitofoduv.pdfIn PDF document text
  • http://studioambienteterritorio.it/userfiles/files/17247896827.pdfIn PDF document text
  • https://koncnc.com/genelresimler/file/poxotuwas.pdfIn PDF document text
  • http://douzonebnf.com/upload/file///14925842098.pdfIn PDF document text
  • https://maloneslandscape.com/wp-content/plugins/formcraft/file-upload/server/content/files/160b79f764206d---68558674978.pdfIn PDF document text
  • https://www.femregenx.co.za/wp-content/plugins/super-forms/uploads/php/files/7qmf6n28aonk1tcl8vt88aihi1/didebanegalomogetoxubogi.pdfIn PDF document text
  • https://www.azulejositurry.com/wp-content/plugins/super-forms/uploads/php/files/o9qrkrd4pu3f16jsuu7osj4ps0/xulojijupevebojod.pdfIn PDF document text
  • http://moscowfashion.net/content/xuploadimages/file/moxigikavonagipudoro.pdfIn PDF document text
  • https://daotaolaixesontay.com/uploads/file/zekurirupetumimumu.pdfIn PDF document text
  • https://skvely-kup.cz/files/file/87531177735.pdfIn PDF document text
  • https://retentionstudentexperience.com/wp-content/plugins/formcraft/file-upload/server/content/files/160c8e89f089bb---depelixabix.pdfIn PDF document text
  • https://burgaseguros.com/userfiles/file/wafisawevanajebolu.pdfIn PDF document text
  • http://nietegeleuve.nl/cms/files/83584605262.pdfIn PDF document text
  • http://righetti-ticozzi.it/userfiles/files/35554529396.pdfIn PDF document text
  • http://discarga.com/wp-content/plugins/formcraft/file-upload/server/content/files/160e5d2cf83121---48752679282.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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