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://coretry.ru/uplcv?utm_term=how+to+play+overwatch+on+chromebook PDF link annotation

  • https://theurbanthinktank.com/files/42093557180.pdfIn PDF document text
  • http://clearlakesd.org/wp-content/plugins/formcraft/file-upload/server/content/files/1608aec6d20812---bugupasufi.pdfIn PDF document text
  • http://crystalnymph.by/wp-content/plugins/super-forms/uploads/php/files/6ad2f152832fa69e3f68367f19be7a1f/65374490680.pdfIn PDF document text
  • http://www.cenlajobinator.com/siteuploads/editorimg/file/nofuvetadatulijavetoju.pdfIn PDF document text
  • http://kirks-pool.com/wp-content/plugins/formcraft/file-upload/server/content/files/160912f642d448---92832894382.pdfIn PDF document text
  • https://lorenzonimmigrationlaw.com/wp-content/plugins/formcraft/file-upload/server/content/files/16076dc1acfa15---ruxagesutar.pdfIn PDF document text
  • https://icicle-mountaineering.ltd.uk/ckfinder/userfiles/files/41377348359.pdfIn PDF document text
  • http://eschool365.in/js/admin/uploadfiles/file/67830672025.pdfIn PDF document text
  • https://masterok-kovka.ru/wp-content/plugins/super-forms/uploads/php/files/1b685ea8c46f2a9a0e4215ca0432e870/kobigonulejove.pdfIn PDF document text
  • https://www.nrlandscapes.co.uk/wp-content/plugins/super-forms/uploads/php/files/a62795644907c49cab8fb1e3d043d74d/78644781062.pdfIn PDF document text
  • https://rhagro.com.mx/wp-content/plugins/super-forms/uploads/php/files/028007d41b63d5b29655efa99df3af52/gategiwibom.pdfIn PDF document text
  • http://erkerlaender.de/wp-content/plugins/formcraft/file-upload/server/content/files/160a13dd9b32e4---28107967276.pdfIn PDF document text
  • https://zegabilisim.com/calisma2/files/uploads/dedexogun.pdfIn PDF document text
  • https://www.growxponential.com/wp-content/plugins/super-forms/uploads/php/files/9vcfg2hn8usf5gtccq5cpmld6i/29136682346.pdfIn PDF document text
  • https://beachesbrewing.com/wp-content/plugins/super-forms/uploads/php/files/0cb3c7c640afc16d943c17be6c80b461/90413959841.pdfIn PDF document text
  • http://allegroescrow.com/wp-content/plugins/formcraft/file-upload/server/content/files/160bcc58322c40---varuk.pdfIn PDF document text
  • http://automsystem.com/UploadFile/file/20210727024340916.pdfIn PDF document text
  • https://bonafideonline.com.ar/wp-content/plugins/super-forms/uploads/php/files/9c55e32df4a69631c96604065812575f/5471954808.pdfIn PDF document text
  • https://die-elke.de/cms/elke_page_files/file/setupojutaxotowo.pdfIn PDF document text
  • http://eurekaelearning.com/upload/news/file/gujokasuwutuzo.pdfIn PDF document text
  • http://machinegroup.ru/img/outer/files/91224262499.pdfIn PDF document text
  • http://www.cafeinca.com/img/public/contenido/file/99859347998.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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