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
• 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.
• QR-code redirect lure medium SE_QR_LURE
  Document instructs the user to scan a QR code with a phone — consistent with QR phishing, but also common in legitimate documents
• 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://ketchas.ru/uplcv?utm_term=online+ocr+pdf+to+text PDF link annotation

  • http://sjhtractor.com/d/files/nabifasefuw.pdfIn PDF document text
  • http://adimhukuk.com/resimler/files/28850074451.pdfIn PDF document text
  • http://provia-events.de/pics/fotos/1/file/megakavemuzisem.pdfIn PDF document text
  • http://muszempilla.com/files/file/desuwaw.pdfIn PDF document text
  • https://stef-nancy.fr/upload/document/91040774146.pdfIn PDF document text
  • https://doosradashak.in/ci/userfiles/files/9239752114.pdfIn PDF document text
  • https://facades-et-traditions.com/actualites/file/tozetabupigixagipojof.pdfIn PDF document text
  • https://ballestermultiservicios.com/wp-content/plugins/formcraft/file-upload/server/content/files/1606e8b8a24ef0---tosoxolutufobaroler.pdfIn PDF document text
  • http://garage-ys.info/js/upload/files/41521410757.pdfIn PDF document text
  • https://wacee.net/wp-content/plugins/formcraft/file-upload/server/content/files/1612775101bbed---39809445171.pdfIn PDF document text
  • http://portalkucharski.pl/app/webroot/media/files/94971756285.pdfIn PDF document text
  • https://centrobrands.com/wp-content/plugins/super-forms/uploads/php/files/16d06f7ba1fdde94d7287f6c17222aa7/50334709862.pdfIn PDF document text
  • http://americanpetrochemicals.com/customers/CMS-IMAGES/file/riduvidiri.pdfIn PDF document text
  • http://lilit-realty.com/wp-content/plugins/super-forms/uploads/php/files/stk5vp3cala2vd1sv4gdrnhr60/numop.pdfIn PDF document text
  • https://tcufroghouses.com/wp-content/plugins/formcraft/file-upload/server/content/files/160af90d4c7744---74181375182.pdfIn PDF document text
  • https://www.finestkindcharter.com/wp-content/plugins/formcraft/file-upload/server/content/files/160a5240490fa0---44615706929.pdfIn PDF document text
  • https://www.chesapeake-lighting.com/wp-content/plugins/super-forms/uploads/php/files/d58453e87fc9c7b87bff28421552f1ee/74888763208.pdfIn PDF document text
  • http://www.anjhimayath.com/upload/file/vutam.pdfIn PDF document text
  • http://thetuckerfamilyreunion.com/clients/67950/File/sejokidiruxawegapixogi.pdfIn PDF document text
  • https://him-home.ru/wp-content/plugins/super-forms/uploads/php/files/8f34a85f02bc7a2b39d8a30b7bf24b17/23480486846.pdfIn PDF document text
  • http://denki-shonan.com/uploadsfile/jegugiwaregadomidekotov.pdfIn PDF document text
  • https://www.guestquesttravelmedia.com/wp-content/plugins/super-forms/uploads/php/files/fajim9dvpj00c6ff71m4ctin36/juvid.pdfIn PDF document text
  • http://coquicart.com/ckeditor/ckfinder/core/connector/php/uploads/files/pumojijezuliwebatoz.pdfIn PDF document text
  • http://sarahscupcakery.com/wp-content/plugins/formcraft/file-upload/server/content/files/16073867902496---77403530665.pdfIn PDF document text
  • https://www.leasing.net.in/ckfinder/userfiles/files/68410754741.pdfIn PDF document text
  • 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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