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://queure.ru/uplcv?utm_term=yle+sample+papers PDF link annotation

  • https://puertoestereo.com/wp-content/plugins/super-forms/uploads/php/files/vm2fu0816d1e9ttn6cnoo6e6j0/33214877376.pdfIn PDF document text
  • https://hmjrgoldhockey.org/wp-content/plugins/super-forms/uploads/php/files/58ca9024f08a5df1867cdb4e112a2c02/xilumoz.pdfIn PDF document text
  • https://www.limratechnologies.net/wp-content/plugins/formcraft/file-upload/server/content/files/160a1ff6db1520---26452761716.pdfIn PDF document text
  • https://414movement.com/wp-content/plugins/super-forms/uploads/php/files/76851f3f0fc0a0b3041f5e0d7c0f4f04/16147328228.pdfIn PDF document text
  • https://vernadoc.com/wp-content/plugins/super-forms/uploads/php/files/cc2f309c4aa38ad89e26b1d484b3f229/lolisomowidumepesekus.pdfIn PDF document text
  • https://nam.it/wp-content/plugins/formcraft/file-upload/server/content/files/16090707fa93e7---22813252143.pdfIn PDF document text
  • https://jgmurphy.com/wp-content/plugins/super-forms/uploads/php/files/3e8cce3cea1ea9c1edc3c024e82741cf/48034735977.pdfIn PDF document text
  • http://luatsuphutho.com/upload/ck/files/fexiv.pdfIn PDF document text
  • https://apparel.allianceflooring.net/wp-content/plugins/super-forms/uploads/php/files/140b58bd64974ea1e9df63c5624c9206/13790672133.pdfIn PDF document text
  • http://duancanhotot.com/upload/files/57269609032.pdfIn PDF document text
  • http://svenstavik.com/wp-content/plugins/formcraft/file-upload/server/content/files/160c0b425a0231---deremotidof.pdfIn PDF document text
  • https://www.hagensmarketing.com/wp-content/plugins/formcraft/file-upload/server/content/files/16093a881e83b6---87085463776.pdfIn PDF document text
  • https://proff-doors.ru/wp-content/plugins/super-forms/uploads/php/files/65472c0463ba3871047dc27bf632609b/39184049922.pdfIn PDF document text
  • http://ilcaminodaugo.it/file/86631804213.pdfIn PDF document text
  • http://startent.ru/SITE/files/editor/file/88631691492.pdfIn PDF document text
  • https://baoholaodong24.com/userfiles/file/61038078603.pdfIn PDF document text
  • https://gpuhub.net/wp-content/plugins/super-forms/uploads/php/files/2vp1s73r8a36egck8qo6j24dei/20509035706.pdfIn PDF document text
  • http://facilitymanagementassociates.com/survey/userfiles/files/vejetudo.pdfIn PDF document text
  • http://springswellness.net/wp-content/plugins/formcraft/file-upload/server/content/files/1609ccd029b35e---jojubomutaxizero.pdfIn PDF document text
  • https://blueridgelightingandcontrols.com/wp-content/plugins/super-forms/uploads/php/files/b0f2de3eb58378b1e03d6c35706775cb/segati.pdfIn PDF document text
  • https://konferencii.ru/js/ckfinder/userfiles/files/91563719040.pdfIn PDF document text
  • https://sketchup360.vn/wp-content/plugins/super-forms/uploads/php/files/cq9ibsufrkt94c7roncpteoqsv/38723233690.pdfIn PDF document text
  • http://dkmmotor.com/files/userfiles/file/64365343185.pdfIn PDF document text
  • https://ksuskalology.com/images/file/jixiged.pdfIn PDF document text
  • https://ladychief.com/wp-content/plugins/super-forms/uploads/php/files/b7bcf2556567713938b11ca356601242/75525725762.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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