Malicious PDF — malware analysis report

Heuristics 6

• ClamAV: Pdf.Phishing.Trojan-d2528dad23a95d95-d2528dad23a95d95-10044376-0 critical CLAMAV_DETECTION
  ClamAV detected this file as malware: Pdf.Phishing.Trojan-d2528dad23a95d95-d2528dad23a95d95-10044376-0
• 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.
• 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=free+adblock+for+chrome+extension PDF link annotation

  • http://blccy.com/userfiles/files/xafakijojapak.pdfIn PDF document text
  • https://directorvincentchow.com/fck_filemanager_upload/file/nebubowevesunojonekaf.pdfIn PDF document text
  • https://www.auditek.fr/wp-content/plugins/formcraft/file-upload/server/content/files/1613d75b1c38ef---2072689163.pdfIn PDF document text
  • https://www.bountyvacation.com/wp-content/plugins/formcraft/file-upload/server/content/files/161394c80800a2---vudozevedupu.pdfIn PDF document text
  • http://bartuceviri.com/userfiles/file/zezatovemiruvojebojex.pdfIn PDF document text
  • https://morganmethod.com/ci/userfiles/files/pipilunomibadaxupopod.pdfIn PDF document text
  • http://fk-fudosan.1nino3.com/app/webroot/img/userfiles/files/65353665867.pdfIn PDF document text
  • http://studiofranzoni.eu/userfiles/files/wibaguzawaw.pdfIn PDF document text
  • https://joepromenshealth.com/wp-content/plugins/super-forms/uploads/php/files/d476e5e707af5b47c40e8d0fc877e04b/1481485534.pdfIn PDF document text
  • http://seteo-dechets.com/images/file/vujapabakuv.pdfIn PDF document text
  • https://careerroots.net/ckfinder/userfiles/files/jutopulesuve.pdfIn PDF document text
  • http://dvif.fr/userfiles/file/levesevevidikekizir.pdfIn PDF document text
  • https://www.phuketvillarentalandservices.com/ckfinder/userfiles/files/61606856816.pdfIn PDF document text
  • http://ngor2-3.com/file_media/file_image/file/84451680542.pdfIn PDF document text
  • https://yuktiedu.com/wp-content/plugins/super-forms/uploads/php/files/fee34a8699c1254be9e19b024e97d6b5/nesadamezanugariroxitoni.pdfIn PDF document text
  • https://nls.vn/upload/files/zeviw.pdfIn PDF document text
  • http://verkoop-je-wagen.be/wp-content/plugins/formcraft/file-upload/server/content/files/1612ff2125c2fd---sirenuwisipo.pdfIn PDF document text
  • http://nilesk.com/userfiles/file/meferaxe.pdfIn PDF document text
  • http://dedanskecasinoer.dk/userfiles/file/netemesanizaminu.pdfIn PDF document text
  • http://quanhoangtsi.com/upload/quangtri/files/2789155388.pdfIn PDF document text
  • https://www.lokalesichtbarkeit.de/wp-content/plugins/super-forms/uploads/php/files/jihihvvdhko4u1ahkcahdiroi1/3820125306.pdfIn PDF document text
  • https://cs168.tw/upfiles/editor/files/tetanixalapibuju.pdfIn PDF document text
  • https://dm288.com/slicice/file/susakubofetuvex.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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