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
• Browser extension / update installation lure high SE_BROWSER_INSTALL_LURE
  Document tells the user to install a browser extension, plugin, viewer, or browser update to view content — a common social-engineering path for credential theft and malware installation
• 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://drafthe.ru/uplcv?utm_term=free+mxf+to+mp4+converter PDF link annotation

  • http://basyapiemlak.com/yukleme_klasoru/userfiles/file/tajemozedixekedepebus.pdfIn PDF document text
  • https://www.mozartcantat.nl/wp-content/plugins/formcraft/file-upload/server/content/files/1607c880abbc5f---marus.pdfIn PDF document text
  • http://www.molinoag.com/wp-content/plugins/formcraft/file-upload/server/content/files/160b3c16c952ba---80686804241.pdfIn PDF document text
  • http://onestudent.dk/userfiles/file/83736273248.pdfIn PDF document text
  • http://www.realisthotel.com/wp-content/plugins/formcraft/file-upload/server/content/files/1608cb4d211eba---90600458468.pdfIn PDF document text
  • https://www.stamfordtaxis.com/wp-content/plugins/super-forms/uploads/php/files/cl65qhom34eb0gdtirhjugcaof/duxutomewavatakowakifod.pdfIn PDF document text
  • https://malimbe.africa/wp-content/plugins/super-forms/uploads/php/files/6f5a8954f8eda640a06c64081e816e27/96355442114.pdfIn PDF document text
  • https://centrobrands.com/wp-content/plugins/super-forms/uploads/php/files/002f41627967aa97504402aae4503524/63735871506.pdfIn PDF document text
  • https://petroblend.com/wp-content/plugins/formcraft/file-upload/server/content/files/160833485f0491---57531038532.pdfIn PDF document text
  • https://worldkelo.com/wp-content/plugins/super-forms/uploads/php/files/d0cd38fb9be100f35f483276e73adc28/nexume.pdfIn PDF document text
  • https://cncostruzioni.com/userfiles/file/nafexenefuwulok.pdfIn PDF document text
  • http://localhomesales.com.au/wp-content/plugins/formcraft/file-upload/server/content/files/16086514c4af0a---97813980195.pdfIn PDF document text
  • https://www.tangelo.no/wp-content/plugins/formcraft/file-upload/server/content/files/16085485089c72---94896782758.pdfIn PDF document text
  • http://sllight.ru/design/img/upload/file/luramokedusaxibemutater.pdfIn PDF document text
  • http://raduzhniy.com/wp-content/plugins/formcraft/file-upload/server/content/files/160924cb84a895---zajinere.pdfIn PDF document text
  • https://janeunchained.com/wp-content/plugins/super-forms/uploads/php/files/5mqu62c9jdse23d84lud0pbomr/komimuwemen.pdfIn PDF document text
  • https://tehnol.ru/wp-content/plugins/formcraft/file-upload/server/content/files/160b852340ca31---79669059541.pdfIn PDF document text
  • http://www.ascendercorp.com/In PDF document text
  • http://www.ascendercorp.com/typedesigners.htmlIn PDF document text
  • http://www.daltonmaag.com/In 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://scripts.sil.org/OFLIn PDF document text

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