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://wastran.ru/uplcv?utm_term=magic+never+believe+it%27s+not+so PDF link annotation

  • https://carstenrath.com/wp-content/plugins/super-forms/uploads/php/files/4p5nne11t4e3f5aah2tlbu12eq/gifabikuroperomizir.pdfIn PDF document text
  • http://przychodnia-felinskiego.pl/uploads/editor/file/57439439008.pdfIn PDF document text
  • https://maidintown.co.uk/wp-content/plugins/super-forms/uploads/php/files/7af9f95885592aee79c7642c5b1b65e6/98609725701.pdfIn PDF document text
  • https://winpoasia.com/ckfinder/userfiles/files/5400958336.pdfIn PDF document text
  • https://provisionsinternational.com/wp-content/plugins/formcraft/file-upload/server/content/files/1608300c685dcc---xirutaditedutiz.pdfIn PDF document text
  • https://kassa-evotor.ru/wp-content/plugins/super-forms/uploads/php/files/9jshbt99o1g42kamalq0ja98ih/tujilevolasefetonepa.pdfIn PDF document text
  • https://atpl.aero/ckfinder/userfiles/files/rokadu.pdfIn PDF document text
  • https://imad0c0.com/js/ckfinder/userfiles/files/46090194181.pdfIn PDF document text
  • https://www.grecosalesinternational.com/wp-content/plugins/formcraft/file-upload/server/content/files/1608769eaf3da0---xesutojo.pdfIn PDF document text
  • http://writtenmail.com/upload_images/file/19275695729.pdfIn PDF document text
  • https://farmstead.tw/farmstead/upload/files/45240377164.pdfIn PDF document text
  • https://teenvolunteerhouston.com/wp-content/plugins/super-forms/uploads/php/files/a50aebff0c702161b90fec408660f526/botijip.pdfIn PDF document text
  • https://costabravas.com/uploads/localidades/files/waviradamig.pdfIn PDF document text
  • https://aronabritcan.com/userfiles/file/sabidamunifivematukasemos.pdfIn PDF document text
  • https://xlux.vn/wp-content/plugins/super-forms/uploads/php/files/heljbibmo05ceod4egb4kogvg1/wejaro.pdfIn PDF document text
  • https://nobleanimalsanctuary.org/wp-content/plugins/super-forms/uploads/php/files/tmp/68733401077.pdfIn PDF document text
  • http://geology.ie/wp-content/plugins/formcraft/file-upload/server/content/files/160a0902caf178---956157578.pdfIn PDF document text
  • https://seataclightingalaska.com/wp-content/plugins/super-forms/uploads/php/files/4608b1cbba0c3d5376c4d6642f639f9a/86086807980.pdfIn PDF document text
  • http://u15.ch/ckfinder/userfiles/files/95579654144.pdfIn PDF document text
  • https://www.adelaarenergy.com/wp-content/plugins/super-forms/uploads/php/files/vbjb20ha01ojvatu39jl856912/vavin.pdfIn PDF document text
  • http://hongshengfish.com/uploadfiles/2021052314064529387.pdfIn PDF document text
  • http://slphs66.com/clients/e/e6/e62fa13cff665df70d7481f632b33819/File/45024591615.pdfIn PDF document text
  • https://plumcourse.com/wp-content/plugins/super-forms/uploads/php/files/e8cc1e1149acf3a668db45d77674864a/katititilum.pdfIn PDF document text
  • https://kes-stv.ru/wp-content/plugins/super-forms/uploads/php/files/f1fb74a4d7a613290a156ca7abc966d4/siwuxegixa.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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