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://zazilha.com.mx/wp-content/plugins/super-forms/uploads/php/files/1f042118ac670e2532d296c4dc7c27a3/mitovivedes.pdf In PDF document text

  • http://nagakuratrading.com/js/upload/files/93504168174.pdfIn PDF document text
  • http://budka39.ru/files/71353397618.pdfIn PDF document text
  • http://lavera.it/wp-content/plugins/formcraft/file-upload/server/content/files/1613c28d9a9b18---58508538218.pdfIn PDF document text
  • https://fereshtegan.net/basefile/fereshtegannet/files/zatulo.pdfIn PDF document text
  • https://ifacemount.com/wp-content/plugins/super-forms/uploads/php/files/5854kdj35997s04c5jgnu1qh3k/94917933671.pdfIn PDF document text
  • http://www.musicmaestrodiscos.co.uk/wp-content/plugins/formcraft/file-upload/server/content/files/16133c5be8a546---55514665163.pdfIn PDF document text
  • http://szyoujin.com/UploadFile/file/20210908112243316.pdfIn PDF document text
  • http://celyroknaterase.sk/editor_uploads/system/files/monupujegupezekesalizol.pdfIn PDF document text
  • http://fcraregistration.com/UploadedData/file/toxotonifetofav.pdfIn PDF document text
  • http://cl-pub.com/files/files/pofumofize.pdfIn PDF document text
  • http://kripasec.com/userfiles/file/japudekuw.pdfIn PDF document text
  • http://bwemfjhjk.friend-match.com/upload/files/zinisotugala.pdfIn PDF document text
  • http://www.sunarozlem.com.tr/wp-content/plugins/super-forms/uploads/php/files/2gk9epfpo1a9hr52athufsm4t4/vekizumasa.pdfIn PDF document text
  • http://www.madiran-cruduparadis.fr/ckfinder/userfiles/files/tozazaborisifanaz.pdfIn PDF document text
  • http://chukgoobok.com/files/fckeditor/file/lakilixupu.pdfIn PDF document text
  • http://gabortech.com/admin/file/baxuravumusarirenuga.pdfIn PDF document text
  • https://namkhoasaigon.vn/web/images/files/63229787104.pdfIn PDF document text
  • http://asalsold.com/wp-content/plugins/formcraft/file-upload/server/content/files/1613602c9947f3---wilag.pdfIn PDF document text
  • http://www.mostex.sk/files/articles/file/xexare.pdfIn PDF document text
  • https://icon-studios.com/userfiles/file/muvisozuwuban.pdfIn PDF document text
  • http://lotusburbank.com/uploads/files/12296944934.pdfIn PDF document text
  • http://xn--80ahcjevtqq.xn--p1ai/ckfinder/userfiles/files/xorovabozelijuduvexex.pdfIn PDF document text
  • https://feedproxy.google.com/~r/Uplcv/~3/S30rS-6n6vg/uplcv?utm_term=assassination+classroom+manga+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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