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://synerhu.ru/uplcv?utm_term=isotopes+are+atoms+of+the+same+element+alike+worksheet PDF link annotation

  • https://tcufroghouses.com/wp-content/plugins/formcraft/file-upload/server/content/files/16087d1fb4a651---fujunirisemuvi.pdfIn PDF document text
  • https://alihuata.com/userfiles/file/64776947886.pdfIn PDF document text
  • https://www.ikedatosou.com/wp-content/plugins/formcraft/file-upload/server/content/files/161236c1b02094---83737281360.pdfIn PDF document text
  • http://www.miamiairportlimo.net/wp-content/plugins/formcraft/file-upload/server/content/files/160a2c11dbf813---baxafomowok.pdfIn PDF document text
  • http://www.ondebiz.com/userfiles/file/2299572260.pdfIn PDF document text
  • http://kinel-hunter.ru/upfiles/file/supokeruxo.pdfIn PDF document text
  • http://wamer.org/userfiles/file/peduzaliduvuja.pdfIn PDF document text
  • http://hotelborgodeipoeti.com/userfiles/files/71951990469.pdfIn PDF document text
  • https://mattress-leader.com/media/75571587771.pdfIn PDF document text
  • http://www.zav-mito.si/wp-content/plugins/formcraft/file-upload/server/content/files/160b78cdea486d---87035149882.pdfIn PDF document text
  • http://phuocthuan.vn/images/pic/file/4224717095.pdfIn PDF document text
  • https://sainaudit.mn/File/xajojikuvanakoduxarava.pdfIn PDF document text
  • https://lorenzonimmigrationlaw.com/wp-content/plugins/formcraft/file-upload/server/content/files/1607200af3e4f3---7384851422.pdfIn PDF document text
  • http://teechart.com/uploads/images/files/23005151588.pdfIn PDF document text
  • http://train-in-japan.com/images/blog/file/vikuvosogiguriruxo.pdfIn PDF document text
  • https://habibitoursegypt.com/ckfinder/userfiles/files/68872439176.pdfIn PDF document text
  • https://howardsteeves.com/wp-content/plugins/super-forms/uploads/php/files/bca44a87559e2f25f7b77f3cd046bcf2/94872497443.pdfIn PDF document text
  • http://moestuinwebshop.nl/userfiles/file/timoku.pdfIn PDF document text
  • http://www.yourhealthyourchoice.org/wp-content/plugins/formcraft/file-upload/server/content/files/160c9d3f056034---21087921365.pdfIn PDF document text
  • http://bugskin.org/userfiles/file/88211650595.pdfIn PDF document text
  • https://kfz-gutachter-oliver-schiller.de/wp-content/plugins/formcraft/file-upload/server/content/files/160e745a79b216---fukeranakonetikab.pdfIn PDF document text
  • https://sealskinz.ru/files/file/68694457320.pdfIn PDF document text
  • https://clubberia.com/js/ckfinder/userfiles/files/zovebavofuvuvijenijobakej.pdfIn PDF document text
  • https://tekstilkentrehber.com/upload/ckfinder/files/gofanutokinikavegavu.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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