Malicious PDF — malware analysis report

Heuristics 7

• 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.
• 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=linehan+dbt+skills+training+manual+pdf PDF link annotation

  • https://stewsites.com/wp-content/plugins/super-forms/uploads/php/files/de38d9a93304fb8630ab8596b4657fbb/weviwezosoka.pdfIn PDF document text
  • https://thuanxuongmonmb.com/admin/webroot/upload/image/files/83853402427.pdfIn PDF document text
  • http://www.520amis.com/upload/files/18301778398.pdfIn PDF document text
  • https://lllk.ru/wp-content/plugins/super-forms/uploads/php/files/71b2c448612d71f85c385acf0bdcafde/wolowux.pdfIn PDF document text
  • http://behtarinekhodetbash.com/files/files/jukerabapepubitozusi.pdfIn PDF document text
  • http://www.champcaregivers.com/wp-content/plugins/formcraft/file-upload/server/content/files/160f4e2c58010f---lalapibemopobikewodovupi.pdfIn PDF document text
  • https://impariant-club.ru/wp-content/plugins/super-forms/uploads/php/files/03c9f1b121f717bfc12c2ee3b5d5a642/tezisip.pdfIn PDF document text
  • http://drstevealbrecht.com/wp-content/plugins/super-forms/uploads/php/files/ffcb6862f7d75b677324b6a4c6ac00a4/69824216643.pdfIn PDF document text
  • http://www.oschouston.com/osc/wp-content/plugins/formcraft/file-upload/server/content/files/161083ab16b81c---roxadupepudelaru.pdfIn PDF document text
  • http://webelievedin1984.com/clients/6/67/676624d6593aa512bfa6e10e765af00e/File/92186979858.pdfIn PDF document text
  • https://ccveg.org/wp-content/plugins/super-forms/uploads/php/files/9lgg1g9e1dhvqhv3pipuhbfe03/ganizi.pdfIn PDF document text
  • http://alkanboya.com/files/file///dimuwera.pdfIn PDF document text
  • http://the100voicesofgospel.de/fichiers/newsletter/file/wisixik.pdfIn PDF document text
  • https://www.shamshabaddiocese.org/files/js/ckfinder/userfiles/files/45219402340.pdfIn PDF document text
  • https://sk-developers.com/wp-content/plugins/formcraft/file-upload/server/content/files/160ab09652856b---rorelegun.pdfIn PDF document text
  • http://eskuvotoszkanaban.hu/editor_up/lowiwisakimutenatijo.pdfIn PDF document text
  • http://bristolvietnam.com/upload/ck/files/41167709015.pdfIn PDF document text
  • http://pescepiana.eu/userfiles/files/ponojevikukofolupufon.pdfIn PDF document text
  • http://shopcode.ru/uploads/file/jopusevipijimiba.pdfIn PDF document text
  • http://www.meglobalinc.co.za/wp-content/plugins/formcraft/file-upload/server/content/files/160f62a43010c2---dezijoworuris.pdfIn PDF document text
  • http://www.stratcareerservices.com/wp-content/plugins/formcraft/file-upload/server/content/files/160bb119d00cc6---dejuxavetorixewanuzerikap.pdfIn PDF document text
  • https://adbadog.com/wp-content/plugins/super-forms/uploads/php/files/78a470e4bb80c8d85d3559884f5f06aa/79041702523.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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