Malicious PDF — malware analysis report

Heuristics 8

• ClamAV: Pdf.Phishing.Trojan-d2568dad23a94d95-d2568dad23a94d95-10044375-0 critical CLAMAV_DETECTION
  ClamAV detected this file as malware: Pdf.Phishing.Trojan-d2568dad23a94d95-d2568dad23a94d95-10044375-0
• ClickFix social engineering attack high SE_CLICKFIX
  Document instructs the user to press Win+R or paste a command into a terminal — consistent with ClickFix attacks that bypass macro restrictions by tricking users into running malicious commands directly
• Security software disable instruction high SE_SECURITY_BYPASS
  Document instructs the user to disable antivirus or security software — unusual for ordinary documents and high-risk in an unsolicited file
• 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.
• 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.dishdivvy.com/wp-content/plugins/super-forms/uploads/php/files/cd7038415c693897905e4dfb04c112dd/71073203383.pdf In PDF document text

  • http://duszek-lasu.pl/userfiles/file/zozig.pdfIn PDF document text
  • http://aaexpansionjoint.com/wp-content/plugins/formcraft/file-upload/server/content/files/1606cb2969c809---kumujenaworawowuvopadixa.pdfIn PDF document text
  • http://cutencuddlybreedables.com/_images/file/61577894874.pdfIn PDF document text
  • https://www.rath-catering.de/wp-content/plugins/formcraft/file-upload/server/content/files/160b01c1c01882---24816630936.pdfIn PDF document text
  • https://implant-drill.com/userfiles/file/serebuvumowelavebeti.pdfIn PDF document text
  • https://hcs1000.org/wp-content/plugins/super-forms/uploads/php/files/dda443065d9fb015b6fbf4960b3ec8bf/linigosatika.pdfIn PDF document text
  • http://premiumresourcing.com/wp-content/plugins/formcraft/file-upload/server/content/files/16081192bba4ee---36747183050.pdfIn PDF document text
  • http://iamsoldierfit.com/wp-content/plugins/formcraft/file-upload/server/content/files/1608ddc305da29---zuxapamobor.pdfIn PDF document text
  • http://chagatea.ru/wp-content/plugins/super-forms/uploads/php/files/bf2c2bf1890e50467b3f679659639092/16429117488.pdfIn PDF document text
  • http://kennyre.com/wp-content/plugins/formcraft/file-upload/server/content/files/16082160dc0161---xogaruxerirekawabemo.pdfIn PDF document text
  • https://monacollection.ua/wp-content/plugins/super-forms/uploads/php/files/b3b8d6d489661170aef565f8ce0da6c8/22461245759.pdfIn PDF document text
  • http://sklepjola.pl/userfiles/file/takixozuwufi.pdfIn PDF document text
  • https://realestateconnect.us/wp-content/plugins/super-forms/uploads/php/files/mk8peda6o1bqlf094c5q7one67/sofazopofidabaxanaworud.pdfIn PDF document text
  • http://discarga.com/wp-content/plugins/formcraft/file-upload/server/content/files/160cec40ea5227---98586341429.pdfIn PDF document text
  • https://store-connector.com/_upload_bilder/_filemanager/file/69411544630.pdfIn PDF document text
  • http://www.ascendercorp.com/In PDF document text
  • http://www.ascendercorp.com/typedesigners.htmlIn PDF document text
  • https://feedproxy.google.com/~r/skout/mBVl/~3/BkSY9tpko7c/uplcv?utm_term=performance+issues+windows+10PDF 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://scripts.sil.org/OFLIn PDF document text

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