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://drafthe.ru/uplcv?utm_term=admin+staff+job+description+pdf PDF link annotation

  • http://aptwash.com/userData/ebizro_board/file/kadubepuzonesidum.pdfIn PDF document text
  • http://xz-brand.com/ckfinder/userfiles/files/30448841547.pdfIn PDF document text
  • http://nationalcoopadvisors.com/userfiles/files/57539898946.pdfIn PDF document text
  • http://appletechsolutions.com/userfiles/file/mobelovinotaparoriko.pdfIn PDF document text
  • http://www.farparts.cl/wp-content/plugins/formcraft/file-upload/server/content/files/160b9295b98f74---10970587443.pdfIn PDF document text
  • http://vincityhomes.vn/wp-content/plugins/super-forms/uploads/php/files/rgvlkh8i8q05o6hqkmek2kihn1/24233339270.pdfIn PDF document text
  • http://www.portofmiamitunnel.com/system/js/back/ckfinder/userfiles/files/senoje.pdfIn PDF document text
  • https://debden.org/userfiles/file/In PDF document text
  • https://alcc.vn/wp-content/plugins/super-forms/uploads/php/files/hu7tv5vmsjp70prqhchsu15f7a/kasofosisitugeru.pdfIn PDF document text
  • http://kurpinar.com/img/userfiles/files/65916765786.pdfIn PDF document text
  • https://harrisitalia.it/uploads/file/96388769151.pdfIn PDF document text
  • http://falconfam.com/ckfinder/userfiles/files/67846172634.pdfIn PDF document text
  • http://fini.hu/userfiles/file/zofonujotagulixivixapi.pdfIn PDF document text
  • https://eobliecky.sk/userfiles/file/mikusululazudobekerikimos.pdfIn PDF document text
  • http://strandedtattoo.net/file/vorutop.pdfIn PDF document text
  • http://kerama.altrodesign.eu/ckfinder/userfiles/files/13729358123.pdfIn PDF document text
  • http://www.ibadirect.com/wp-content/plugins/formcraft/file-upload/server/content/files/160ab0b5129742---fexixuwevisedewagoweg.pdfIn PDF document text
  • https://otdelkamos.ru/wp-content/plugins/super-forms/uploads/php/files/2301950fbbcbb4e06c052eb01d38fbe5/86682903230.pdfIn PDF document text
  • http://chocolatycakes.com/wp-content/plugins/formcraft/file-upload/server/content/files/160727518a10ea---20646985468.pdfIn PDF document text
  • https://divorcioconsensual.com.br/wp-content/plugins/super-forms/uploads/php/files/45b54e7fd89a083afbfbff274c302997/97860172984.pdfIn PDF document text
  • https://cremeconferences.com/wp-content/plugins/super-forms/uploads/php/files/daf3bda5ab77c0350c0ea8fa190a0057/jeduliviperaxok.pdfIn PDF document text
  • http://movesearchesuk.com/userfiles/file/58750276908.pdfIn PDF document text
  • https://xosobacninh.vn/webroot/img/files/94147211418.pdfIn PDF document text
  • https://cms.blauraum.com/wp-content/plugins/super-forms/uploads/php/files/db2fb01957943233094dcf5156a5c014/dimom.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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