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 http://www.a-fairys-choice.com/wp-content/plugins/formcraft/file-upload/server/content/files/16098592614e12---60334224153.pdf In PDF document text

  • http://zs-oilfieldequip.ru/d/files/17025948059.pdfIn PDF document text
  • https://gift-edu.ru/wp-content/plugins/super-forms/uploads/php/files/b1c325897be77c827518e29c3fd688bd/rebotufu.pdfIn PDF document text
  • https://felix-schulze.biz/wp-content/plugins/super-forms/uploads/php/files/kaegqhdn6h1tqlke2mnn5btnoe/51195640041.pdfIn PDF document text
  • http://amandatravel.com/userfiles/file/borulosatosijixufigup.pdfIn PDF document text
  • http://health-bridge.in/upload/file/pawawujunuraginafivot.pdfIn PDF document text
  • http://kimhoatra.com/upload/fckimagesfile/73188646496.pdfIn PDF document text
  • http://bigdoughpizza.com/uploads/files/27926847283.pdfIn PDF document text
  • https://www.hemingway.bg/app/templates/js/ckfinder/userfiles/files/petokekurid.pdfIn PDF document text
  • https://agrotehholding.ru/wp-content/plugins/super-forms/uploads/php/files/49e58dc16729382f436a01ae262e0e04/legoronewasovatukuz.pdfIn PDF document text
  • http://letresorellebio.it/userfiles/files/tixovo.pdfIn PDF document text
  • http://kalmi.ru/upfiles/files/71957129549.pdfIn PDF document text
  • https://rpdev.org/ckfinder/userfiles/files/roretagofekuruwadom.pdfIn PDF document text
  • http://schouteninterieurwerk.nl/wp-content/plugins/formcraft/file-upload/server/content/files/160acd20732a0f---puxezurefadezawevofebo.pdfIn PDF document text
  • http://scro.ru/pic/file/sulefe.pdfIn PDF document text
  • https://rwd1.thadv.com/upload/files/82201836179.pdfIn PDF document text
  • http://keifo.ru/ckfinder/userfiles/files/fibederuwesisekoxa.pdfIn PDF document text
  • http://huh.hu/UserFiles/File/nodoxovaxojog.pdfIn PDF document text
  • https://balbok.net/admin/ckfinder/userfiles/files/93667343804.pdfIn PDF document text
  • http://phenix-security.fr/wp-content/plugins/formcraft/file-upload/server/content/files/160989ea98c02e---kejuleveku.pdfIn PDF document text
  • https://fjordancv.info/wp-content/plugins/super-forms/uploads/php/files/3f90cc23f92e700731b7e4276e458727/pidonuvugezasomujurom.pdfIn PDF document text
  • http://toonesk.com/upload/xidazudanemokepebiz.pdfIn PDF document text
  • http://www.restorationservice.ca/wp-content/plugins/formcraft/file-upload/server/content/files/16108e76250f6c---kebipukumu.pdfIn PDF document text
  • https://mithermomix.com.mx/wp-content/plugins/super-forms/uploads/php/files/147706ab0be060b64d32adb0d870dd5c/mugewanubumowado.pdfIn PDF document text
  • https://brunoamaranti.it/wp-content/plugins/super-forms/uploads/php/files/tb8usa0rd2un6d7gkqttkd75u1/94294948285.pdfIn PDF document text
  • https://feedproxy.google.com/~r/skout/mBVl/~3/LPIa9PGmDLg/uplcv?utm_term=m%C5%AFj+%C5%BEivot+bez+m%C5%99%C3%AD%C5%BE%C3%AD+pdfPDF link annotation
  • 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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