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.
• 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://drafthe.ru/uplcv?utm_term=11.s%C4%B1n%C4%B1f+fizik+at%C4%B1%C5%9Flar+konu+anlat%C4%B1m%C4%B1+video PDF link annotation

  • http://themultifold.com/wp-content/plugins/super-forms/uploads/php/files/rl9q5k870pmq2qf2ap65ta72a0/34784616776.pdfIn PDF document text
  • http://businessvaluationapp.com//fck_files/file/sujogezeweter.pdfIn PDF document text
  • https://barcelonacentromedico.es/files/galeria/files/87504680654.pdfIn PDF document text
  • http://htwy.com/upload/file/refaronenezununesafubal.pdfIn PDF document text
  • https://lcd96.ru/wp-content/plugins/super-forms/uploads/php/files/84fd861725989eda767b3c50cd7d6e9e/dilosugivat.pdfIn PDF document text
  • http://studiotecnicopetrillo.eu/userfiles/files/69281797726.pdfIn PDF document text
  • http://rosritual.su/app/webroot/js/ckfinder/userfiles/files/dojituvavox.pdfIn PDF document text
  • https://krimgranit.ru/wp-content/plugins/super-forms/uploads/php/files/c93e1bdb1ded89c08821b020ba594e28/fizobugagukizuw.pdfIn PDF document text
  • http://www.optionassurance.ca/wp-content/plugins/formcraft/file-upload/server/content/files/160c03e188844f---demifopinagirimibat.pdfIn PDF document text
  • http://eurolocal.info/sites/default/files/images/file/1670893591.pdfIn PDF document text
  • http://kanchanaspa.com/ckfinder/userfiles/files/zadidoguwofizajalawijeg.pdfIn PDF document text
  • https://archcosmeticstudio.com.au/wp-content/plugins/super-forms/uploads/php/files/3259f806434093a0dfef0be8119c2d49/ximolexuvir.pdfIn PDF document text
  • http://turnwealthy.com/ckfinder/userfiles/files/zegaguvalugarewam.pdfIn PDF document text
  • http://www.sarajevo-inn-grunewald.com/wp-content/plugins/formcraft/file-upload/server/content/files/160b8077b9df1d---38156009574.pdfIn PDF document text
  • http://hoanhaochemical.com/uploads/files/xidetezatolavuz.pdfIn PDF document text
  • https://workinhotel.com/upload/fckfile/1548670673.pdfIn PDF document text
  • https://www.ediliziaindustriale.com/wp-content/plugins/formcraft/file-upload/server/content/files/160c91dad55d12---47191869559.pdfIn PDF document text
  • https://kakvkusno26.ru/wp-content/plugins/super-forms/uploads/php/files/7a25d65a5be9f38c57695ed8a5bb3afc/52141784061.pdfIn PDF document text
  • https://lawpropertyconsultants.co.uk/wp-content/plugins/super-forms/uploads/php/files/81m5nb1dmbh67ikv9j02676fn4/33659756646.pdfIn PDF document text
  • http://seyrimerdin.com/userfiles/file/36299340829.pdfIn PDF document text
  • http://www.buildingmalawi.com/images/uploaded/documents/97365385062.pdfIn PDF document text
  • https://wpsqld.com.au/wp-content/plugins/super-forms/uploads/php/files/2bc72e94bc43e62cc31fdae93fb9dab7/76406485714.pdfIn PDF document text
  • https://tamtam.com.ua/wp-content/plugins/super-forms/uploads/php/files/d0e04269e0621feef7f46bba14f98179/83080345600.pdfIn PDF document text
  • https://ltssinternational.com/res/wysiwyg/file/navamev.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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