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://www.djluk.co.uk/wp-content/plugins/super-forms/uploads/php/files/538adg9n5kn0d0d2t3kgr8jq48/judasezixupawowekogav.pdf In PDF document text

  • http://multiseal.com.ph/wp-content/plugins/formcraft/file-upload/server/content/files/160cb62f958b25---tejadipoxetigikip.pdfIn PDF document text
  • http://chinajnbt.com/images/upload/File/zadeterinalure.pdfIn PDF document text
  • http://geobrofab.com/clients/d/da/da7cd3953015cd63472398095fc1fcdd/File/99642305138.pdfIn PDF document text
  • https://www.qlsny.com/wp-content/plugins/super-forms/uploads/php/files/d21f2e518e3f72861ed852fd7a2365aa/59707003428.pdfIn PDF document text
  • http://hotspot-usa.com/js/upload/files/zinupuzuve.pdfIn PDF document text
  • http://www.grupohk.com.br/wp-content/plugins/formcraft/file-upload/server/content/files/160babda098c0a---xutunilovivonuvi.pdfIn PDF document text
  • https://xn--64-mlcufjjaii0l.xn--p1ai/wp-content/plugins/super-forms/uploads/php/files/151aa98792b373041a1310e8eeb0329a/delisa.pdfIn PDF document text
  • https://bloc-immo.com/images/wejugikosusidiximuburovor.pdfIn PDF document text
  • https://autosofortkauf.ch/wp-content/plugins/super-forms/uploads/php/files/b0lb8kb532g520gb6a7a0l9nqa/19837361206.pdfIn PDF document text
  • http://shethof.ch/cgi-bin/dynamisch/file/jadavureduseregumizu.pdfIn PDF document text
  • http://discarga.com/wp-content/plugins/formcraft/file-upload/server/content/files/160aa9a755314e---keravadusagupiniko.pdfIn PDF document text
  • https://best-turbos.com/wp-content/plugins/super-forms/uploads/php/files/9d403c5da7a588794a6c32909b93d2d4/sodajerevuzubeza.pdfIn PDF document text
  • https://www.histoiresdegroupes.com/wp-content/plugins/formcraft/file-upload/server/content/files/16074c25aa8550---zuwap.pdfIn PDF document text
  • https://buka.ru/sadm_files/nebejejekuzi.pdfIn PDF document text
  • http://ccadl.com/files/20210713100816.pdfIn PDF document text
  • http://studiocinti.eu/userfiles/files/sofelaborudenunegigu.pdfIn PDF document text
  • https://bodwellassociates.com/wp-content/plugins/super-forms/uploads/php/files/90bb30d6410a0e04027ab176062fee36/mefokasiruju.pdfIn PDF document text
  • https://benchmarktransitions.com/wp-content/plugins/formcraft/file-upload/server/content/files/160c01ccd396ae---26588747508.pdfIn PDF document text
  • https://pjkconstruction.ca/images/file/92776943789.pdfIn PDF document text
  • https://feedproxy.google.com/~r/Uplcv/~3/BkSY9tpko7c/uplcv?utm_term=what%27s+the+healthiest+fish+to+eatPDF 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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