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.
• Visual download / call-to-action button lure low SE_DOWNLOAD_BUTTON
  Document contains a call-to-action phrase ('Click here to download', 'Download Now', etc.) — low-signal unless other findings point to a malicious workflow
• 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://queure.ru/uplcv?utm_term=matte+direkt+borgen+5a+facit+pdf PDF link annotation

  • https://vallejardin.com/wp-content/plugins/super-forms/uploads/php/files/4cbd73ee1ea250358e2cf368ca585053/56263120864.pdfIn PDF document text
  • https://useoneconvo.com/wp-content/plugins/super-forms/uploads/php/files/39d302a368c1c51352d4b1a24d01edfa/85740617677.pdfIn PDF document text
  • https://stellabakingcompany.com/wp-content/plugins/formcraft/file-upload/server/content/files/1609b9bc59e324---sakunebewe.pdfIn PDF document text
  • https://ag-concept.ru/wp-content/plugins/super-forms/uploads/php/files/23490c67b67c901ce17d6cc8047d48bb/jeradazopelidonor.pdfIn PDF document text
  • http://rm-centr.ru/uploads/file/3747244087.pdfIn PDF document text
  • http://ahcxdq.com/uploads/file/050449564299.pdfIn PDF document text
  • https://airbays.com/userfiles/file/vapul.pdfIn PDF document text
  • http://svsteinfurth.de/radsportfiles/file/81075404443.pdfIn PDF document text
  • http://web68s.com/upload/files/58306418608.pdfIn PDF document text
  • http://tsg-edinstvo.ru/userfiles/file/9348330657.pdfIn PDF document text
  • http://clinicacomciencia.com.br/wp-content/plugins/formcraft/file-upload/server/content/files/160d6ff8fc0853---desavuguxefeta.pdfIn PDF document text
  • https://aldea.work/wp-content/plugins/super-forms/uploads/php/files/fc31c057b98deee36c18d6b91c929ea2/4592588088.pdfIn PDF document text
  • http://generaltubi.com/container/ckfiles/files/59308135886.pdfIn PDF document text
  • http://www.movingintofreedom.com/wp-content/plugins/formcraft/file-upload/server/content/files/160e48fb3794ca---tojari.pdfIn PDF document text
  • https://sckprime.com/wp-content/plugins/super-forms/uploads/php/files/5c4b831a0dce2a5ebbbd62f97ec33ae2/tedurasofimodojiv.pdfIn PDF document text
  • https://beaumont-residence.com/wp-content/plugins/super-forms/uploads/php/files/mssi7627oj2k280t7207sduu7v/sudupozezibekomadefane.pdfIn PDF document text
  • http://parcroyale.hk/userfiles/kenawotapakureze.pdfIn PDF document text
  • https://www.blackandwhite-salon.com/wp-content/plugins/super-forms/uploads/php/files/bae1ae285735834f3214d3b7d02d880d/rabotubufizukeriperedidi.pdfIn PDF document text
  • https://ballestermultiservicios.com/wp-content/plugins/formcraft/file-upload/server/content/files/161024b36c0076---44754325975.pdfIn PDF document text
  • http://bjhtdszdh.com/v15/Upload/file/2021820335422025.pdfIn PDF document text
  • https://tirthmobile.com/wp-content/plugins/super-forms/uploads/php/files/qa7vfqf593pgvd9a3hqru5qj0r/7615383609.pdfIn PDF document text
  • http://squash-fitness.cz/userfiles/file/firupijafutubebaxulujaf.pdfIn PDF document text
  • http://samnakthodrahassob.com/userfiles/file/gedof.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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