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://garglob.ru/uplcv?utm_term=algebra+readiness+assessment+pdf PDF link annotation

  • https://cspdental.com/wp-content/plugins/super-forms/uploads/php/files/9ff1f94f42c954e9ddd64886d642964e/20939530904.pdfIn PDF document text
  • http://fsanaq.com/upload/file/210706110728664002rxet7blok0ep.pdfIn PDF document text
  • http://gsoam.ge/wp-content/plugins/formcraft/file-upload/server/content/files/16102cf0312f93---zugugaturul.pdfIn PDF document text
  • http://www.iycadana.org/wp-content/plugins/super-forms/uploads/php/files/5b1jg3ofbimsrkmtet863nul87/82803124324.pdfIn PDF document text
  • https://empezo.xyz/js/ckfinder/userfiles/files/ruxopi.pdfIn PDF document text
  • https://tkquiz.com/userfiles/file/38848263572.pdfIn PDF document text
  • http://irk-yoga.ru/upload/files/17856874041.pdfIn PDF document text
  • http://rusiuojigalvoji.lt/wp-content/plugins/formcraft/file-upload/server/content/files/16097ffd1dff15---tebabazametabipegipipaw.pdfIn PDF document text
  • http://alternativefitness.com.au/wp-content/plugins/formcraft/file-upload/server/content/files/1608752b2c2c12---21429492053.pdfIn PDF document text
  • http://jerseybankruptcylaw.com/customer/3/d/9/3d947ad6ce2568d98b832ccf5548371bFile/gebexaton.pdfIn PDF document text
  • https://thriveelearning.com/wp-content/plugins/super-forms/uploads/php/files/5e5658fce0c0ec1729846b93b89bf9bb/xuzexuvaxolewezo.pdfIn PDF document text
  • https://www.geosuiteonline.de/wp-content/plugins/formcraft/file-upload/server/content/files/1608c0f0a75370---37838277662.pdfIn PDF document text
  • https://immobiliaresancarlotrieste.it/file/bobogutamazusaxakidob.pdfIn PDF document text
  • http://daindnc.com/fckeditor/userfiles/file/2230426907.pdfIn PDF document text
  • http://kemenyseprosiklos.hu/upload/file/79540670094.pdfIn PDF document text
  • http://vasvaripalmuzeum.hu/upload/file/92857577738.pdfIn PDF document text
  • http://sistarelaw.com/customer/3/d/9/3d947ad6ce2568d98b832ccf5548371bFile/tarapemuv.pdfIn PDF document text
  • https://jamiatulbanat.in/wp-content/plugins/formcraft/file-upload/server/content/files/160754d7cf04ac---radagorixexotakuvumebok.pdfIn PDF document text
  • http://pokeocncafe.com/uploads/files/18240046811.pdfIn PDF document text
  • https://ecef-groupe.com/wp-content/plugins/super-forms/uploads/php/files/06p5plbjiotlihtrlaacc8nek5/tokegezuxulazapasasa.pdfIn PDF document text
  • http://thehawthornnyc.com/wp-content/plugins/formcraft/file-upload/server/content/files/1609040488fc79---2474072017.pdfIn PDF document text
  • https://advancedcheckcashadvance.com/wp-content/plugins/formcraft/file-upload/server/content/files/1606df0be9fde7---vivezakesefele.pdfIn PDF document text
  • http://santabruna.cl/upload/file/bifiserufotugiva.pdfIn PDF document text
  • http://kiuanai.com/userfiles/file/89923935720.pdfIn PDF document text
  • http://gemwishrs.com/ckfinder/stones/files/52230762782.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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