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://medvor.ru/uplcv?utm_term=water+is+the+solute+in+which+of+the+following+mixtures PDF link annotation

  • https://polinagerz.ru/wp-content/plugins/super-forms/uploads/php/files/kmc50ilmc6naqct4gtun26ekmm/16754151300.pdfIn PDF document text
  • http://giga.sk/storage/file/39210461550.pdfIn PDF document text
  • https://kicksomeglass.com/wp-content/plugins/super-forms/uploads/php/files/9f612fe7fbcd0e33886d964c1eca7f3d/33459342828.pdfIn PDF document text
  • https://soyana.de/js/ckfinder/userfiles/files/judikimexi.pdfIn PDF document text
  • https://apoiotelecom.com/imagens/img_fckeditor/file/kajifineg.pdfIn PDF document text
  • https://anukulagrotech.com/ci/userfiles/files/fexipafitug.pdfIn PDF document text
  • http://englandmatchshirts.com/assets/file/panerupeguxoronudewila.pdfIn PDF document text
  • http://inwallendorf.de/userfiles/file/45941562267.pdfIn PDF document text
  • https://rh-h1tapi-turbo.com/contents//files/25138084137.pdfIn PDF document text
  • https://www.femregenx.co.za/wp-content/plugins/super-forms/uploads/php/files/e4lvf0vlrqvs89capqkbopa517/53915535087.pdfIn PDF document text
  • https://centar-znr-zop.hr/wp-content/plugins/formcraft/file-upload/server/content/files/1607e385d15c64---93549658939.pdfIn PDF document text
  • https://choiceenergynetwork.com/wp-content/plugins/super-forms/uploads/php/files/547d83207f5e5bd7df8732aaefe96901/63537770026.pdfIn PDF document text
  • https://marbellamohali.com/wp-content/plugins/super-forms/uploads/php/files/24d9b6b437146b1ded9a2234de2d23f7/wekekuxum.pdfIn PDF document text
  • http://www.altrus.pl/wp-content/plugins/formcraft/file-upload/server/content/files/160a918379a6c2---95511584047.pdfIn PDF document text
  • http://brilsports.ro/userfiles/file///bafovaretilumurokola.pdfIn PDF document text
  • http://sva-jeanroze.com/xmedia/file/tumonuvizabewu.pdfIn PDF document text
  • https://oncallanatomist.org/ckfinder/userfiles/files/jevuputebufowutegox.pdfIn PDF document text
  • http://www.kevinbrooks.ca/wp-content/plugins/formcraft/file-upload/server/content/files/160b59c6b4f40a---4170909480.pdfIn PDF document text
  • https://beaufortbond.com/wp-content/plugins/super-forms/uploads/php/files/47a72e2ee713a243aab8b3d3cf60328d/68781637775.pdfIn PDF document text
  • http://georgekoldun.com/var/upload/file/fupokebatimitutonuvod.pdfIn PDF document text
  • http://plenar.hr/wp-content/plugins/formcraft/file-upload/server/content/files/160a3e6c579a3c---pokemasowedigufol.pdfIn PDF document text
  • https://neoville.ru/wp-content/plugins/super-forms/uploads/php/files/e4adf7cb08f0708d8e88b013d6dc21ed/metanekavodekuvo.pdfIn PDF document text
  • https://www.chesapeake-lighting.com/wp-content/plugins/super-forms/uploads/php/files/15feeafcecd00f5ed0aef7e29fefa5a5/24354477741.pdfIn PDF document text
  • https://divorcioconsensual.com.br/wp-content/plugins/super-forms/uploads/php/files/2131a7db9775b5d4d3b27d9bed79cbe7/71052013540.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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