Malicious PDF — malware analysis report

Heuristics 7

• 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.
• 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://archism.ru/uplcv?utm_term=15000+naira+phone PDF link annotation

  • http://rajskiewakacje.pl/userfiles/file/91755951309.pdfIn PDF document text
  • http://www.hptindia.com/wp-content/plugins/formcraft/file-upload/server/content/files/1613e309590350---nevumuxorixab.pdfIn PDF document text
  • https://gegeny.hu/uploads/file/vosubeguvi.pdfIn PDF document text
  • http://fli.edu.mn/ckfinder/userfiles/files/82855582236.pdfIn PDF document text
  • https://cafeau1ait.xyz/js/ckfinder/userfiles/files/24324896592.pdfIn PDF document text
  • http://beauty214.com/uploads/files/202109012237104633.pdfIn PDF document text
  • http://www.monts.sk/upload_images/file/862705277.pdfIn PDF document text
  • http://globalsublimation.net/uploadfile/files/66205693561.pdfIn PDF document text
  • https://villadorottya.hu/uploads/frontend/files/menenuv.pdfIn PDF document text
  • http://wildpflanzen-planung.de/file/95592706991.pdfIn PDF document text
  • https://ag-concept.ru/wp-content/plugins/super-forms/uploads/php/files/331b155be47fb9e71cf8c8709c295cbf/68637571809.pdfIn PDF document text
  • http://ngocvietbungalow.com/upload/files/zidalijosojagaguvuzolo.pdfIn PDF document text
  • http://luisacortesearchitetto.it/userfiles/files/48872815919.pdfIn PDF document text
  • http://xn--80aafmoni2biho.xn--p1ai/admin/ckfinder/userfiles/files/biriwagirujosukal.pdfIn PDF document text
  • https://smartbrand.ro/mm/file/45113910284.pdfIn PDF document text
  • http://auto-rad.pl/userfiles/file/zaruvagibuwezedaxo.pdfIn PDF document text
  • http://dallard.fr/ressource/site-image/files/kavedozijiboxaban.pdfIn PDF document text
  • http://custom-mugs-factory.com/uploadfile/files/4889849767.pdfIn PDF document text
  • https://zegaoyun.com/calisma2/files/uploads/wofaf.pdfIn PDF document text
  • http://www.pzkexie.com/up_files/file/futadupiten.pdfIn PDF document text
  • http://ettermanenterprises.com/ckfinder/userfiles/files/17819347663.pdfIn PDF document text
  • http://balbu.hu/uploads/news/file/67663186615.pdfIn PDF document text
  • https://lostsoulsmemorialnj.org/wp-content/plugins/super-forms/uploads/php/files/77e28cb8a4fb90061cbe458d915eb047/limagisanadakam.pdfIn PDF document text
  • http://compie.ru/wp-content/plugins/formcraft/file-upload/server/content/files/161458497c88b9---32212898874.pdfIn PDF document text
  • https://andhimazhai.com/images/files/95461436703.pdfIn PDF document text
  • http://sakem.org/userfiles/files/zubukadogud.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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