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://wastran.ru/uplcv?utm_term=baby+boy+names+starting+with+k+in+tamil+pdf PDF link annotation

  • https://castel.ro/userfiles/file/60221479707.pdfIn PDF document text
  • https://www.andrecampbell.ca/wp-content/plugins/super-forms/uploads/php/files/4229d09edbe5b37790cbfa8fc1b255f8/57333465729.pdfIn PDF document text
  • http://hoondb.com/wp-content/plugins/formcraft/file-upload/server/content/files/16094ab8f549ee---getufujove.pdfIn PDF document text
  • http://www.canadiantreasurer.com/wp-content/plugins/formcraft/file-upload/server/content/files/160bdcb1231b2e---kezeso.pdfIn PDF document text
  • http://xn--e1aazeoc7d.xn--p1ai/images/shared/file/seromisaxoxelowabe.pdfIn PDF document text
  • https://www.simplythebestevents.ca/wp-content/plugins/formcraft/file-upload/server/content/files/160b0603d5f867---dojobozipujomulofuv.pdfIn PDF document text
  • http://dansensvenner.dk/imagesfile///zuvadanopaxabuno.pdfIn PDF document text
  • http://argra.rs/wp-content/plugins/formcraft/file-upload/server/content/files/1606e5b9fc0723---ruvatop.pdfIn PDF document text
  • https://independentmusicleague.com/wp-content/plugins/super-forms/uploads/php/files/ab35300b5a95ba0339d410459a2a5fe3/vopabizud.pdfIn PDF document text
  • https://nicemexico.net/wp-content/plugins/formcraft/file-upload/server/content/files/160a584b606155---20771712131.pdfIn PDF document text
  • https://kodeac.com/wp-content/plugins/super-forms/uploads/php/files/oo322ul0d5dmq2m7ko6o9laa3e/pokigoto.pdfIn PDF document text
  • https://alphacleanwashing.com/wp-content/plugins/super-forms/uploads/php/files/7150c0b3a1021f02b40bddaf45fffd66/14201220295.pdfIn PDF document text
  • https://drmarlenebothma.co.za/wp-content/plugins/formcraft/file-upload/server/content/files/1606cf8895c0ef---53156195372.pdfIn PDF document text
  • http://daieimotors.com/js/upload/files/80156286195.pdfIn PDF document text
  • https://nam.it/wp-content/plugins/formcraft/file-upload/server/content/files/1607320f21696c---bukitazivef.pdfIn PDF document text
  • https://argentinaproduct.com/ckfinder/userfiles/files/89887179773.pdfIn PDF document text
  • http://www.alquilerbares.com.ar/wp-content/plugins/formcraft/file-upload/server/content/files/1607f451281833---38450110561.pdfIn PDF document text
  • http://kojeneckezbozi.eu/userfiles/file/21000043311.pdfIn PDF document text
  • http://snookerfootball.eu/wp-content/plugins/formcraft/file-upload/server/content/files/160aa834678c4d---pudujukema.pdfIn PDF document text
  • http://elonsummerstorage.com/wp-content/plugins/formcraft/file-upload/server/content/files/16074fdbbd8a26---lesewidapupeduvus.pdfIn PDF document text
  • http://www.olympussverige.se/wp-content/plugins/super-forms/uploads/php/files/elv5pdgivqt8d0s591tb40nfm5/24813831511.pdfIn PDF document text
  • http://foto-klub.dk/userfiles/file/beronopepogezikeke.pdfIn PDF document text
  • https://www.caesarstravel.com/wp-content/plugins/formcraft/file-upload/server/content/files/160b2cb5a9d6b0---40719848645.pdfIn PDF document text
  • http://engroupe.ca/aym_image/files/nidatepenafuguwulik.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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