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.
• Visual download / call-to-action button lure low SE_DOWNLOAD_BUTTON
  Document contains a call-to-action phrase ('Click here to download', 'Download Now', etc.) — low-signal unless other findings point to a malicious workflow
• 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://aawyx.com/sites/default/imageuser/file/62255787634.pdf In PDF document text

  • http://aftckwt.com/uploads/file/sarowunekuv.pdfIn PDF document text
  • https://retentionstudentexperience.com/wp-content/plugins/formcraft/file-upload/server/content/files/1606c8619d2e6e---karamarewasufovu.pdfIn PDF document text
  • https://www.sidertest.it/wp-content/plugins/formcraft/file-upload/server/content/files/1608bfe76a720c---kijuwibobaxule.pdfIn PDF document text
  • https://qualitylightsolutions.com/wp-content/plugins/super-forms/uploads/php/files/e8dd80eeea2274cb314d1dbee57a2b63/zilav.pdfIn PDF document text
  • https://sevsport.info/wp-content/plugins/super-forms/uploads/php/files/b22aef0a731591aca59cc24b6d275ff2/xemelidiwubakenawaba.pdfIn PDF document text
  • https://www.die-umzugsfabrik.com/wp-content/plugins/formcraft/file-upload/server/content/files/160931a9fd8b12---jodebepuzotal.pdfIn PDF document text
  • http://bigband-ulm.de/userfiles/files/jejewobotofufud.pdfIn PDF document text
  • http://akcjonariusz.com/UserFiles/file/1460615055.pdfIn PDF document text
  • https://capitaleny.com/wp-content/plugins/super-forms/uploads/php/files/d4d9b530766e572232b017b373a53809/nufugilososurutifinew.pdfIn PDF document text
  • http://www.blackhillsdancecentre.com/wp-content/plugins/formcraft/file-upload/server/content/files/16090840e9cf90---zuvetopilab.pdfIn PDF document text
  • https://www.cir.cloud/wp-content/plugins/formcraft/file-upload/server/content/files/1606f1ec3f3bfd---61354371470.pdfIn PDF document text
  • https://stellabakingcompany.com/wp-content/plugins/formcraft/file-upload/server/content/files/1608c9b2e8932d---xovefenivixikimepatedelo.pdfIn PDF document text
  • http://themultifold.com/wp-content/plugins/super-forms/uploads/php/files/qlbgtkiv6beus1ptv282v7l0o5/bedefajomosetuta.pdfIn PDF document text
  • https://www.projectorrentals.com/wp-content/plugins/formcraft/file-upload/server/content/files/1607f20f226af4---luzimafuz.pdfIn PDF document text
  • http://www.onegelha.com/wp-content/plugins/super-forms/uploads/php/files/7e76accbb76478e255f67582bf86477b/nojinigikizamexipojepid.pdfIn PDF document text
  • http://verkoop-je-wagen.be/wp-content/plugins/formcraft/file-upload/server/content/files/1607c206a057bc---dutanajurefuz.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=cellink+neo+installation+manualPDF 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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