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://huntic.ru/uplcv?utm_term=stay+here+and+lay+here+right+in+my+arms PDF link annotation

  • http://osc-pribor.ru/products_pictures/file/52748890465.pdfIn PDF document text
  • https://www.siemers-deutschmann.de/wp-content/plugins/super-forms/uploads/php/files/3lc24b7ovg8rht9gb0mvc8i8ql/guzuwoxat.pdfIn PDF document text
  • https://shayangroup.net/wp-content/plugins/super-forms/uploads/php/files/a435d277262cec72c7c1d5e4ab3f8b7a/kedivowusoze.pdfIn PDF document text
  • http://www.ellisrasbetonwerke.co.za/wp-content/plugins/formcraft/file-upload/server/content/files/1607e78df328e9---detozuliwatataxofupolesi.pdfIn PDF document text
  • https://ipcare.nl/wp-content/plugins/super-forms/uploads/php/files/8q38h7254g83mv4d5loponhalo/ruzededogipisunijori.pdfIn PDF document text
  • http://kapli74.ru/upload_picture/ziwobewixaditejazijuzux.pdfIn PDF document text
  • https://kawanmto.info/contents//files/39157473662.pdfIn PDF document text
  • https://utilitydiscount.com/wp-content/plugins/formcraft/file-upload/server/content/files/160b59bbca62ba---tosufex.pdfIn PDF document text
  • http://montaze.org/democms/userfiles/file/15705735816.pdfIn PDF document text
  • https://creativesilhouettes.ca/wp-content/plugins/formcraft/file-upload/server/content/files/1607368ae1e0a1---wavebebaguridisokebon.pdfIn PDF document text
  • https://kuechentreff-schmid.de/wp-content/plugins/super-forms/uploads/php/files/i8lvsun4j0mqvc48so36np6m99/padupuwa.pdfIn PDF document text
  • https://xlux.vn/wp-content/plugins/super-forms/uploads/php/files/kfse0eo94ipl0lmt791fcmu0hj/27312793543.pdfIn PDF document text
  • http://ximangsongthao.com/app/webroot/uploads/files/vidokamu.pdfIn PDF document text
  • https://ncfouting.com/wp-content/plugins/formcraft/file-upload/server/content/files/1606fb36f947e3---93677270393.pdfIn PDF document text
  • https://betenenergy.com/sites/default/files/file/gijemenuwomupif.pdfIn PDF document text
  • https://www.kbstephens.com/wp-content/plugins/super-forms/uploads/php/files/0488afe5b153626d0de5ea4d481e15f9/20693075565.pdfIn PDF document text
  • http://stopasbestos.ca/wp-content/plugins/formcraft/file-upload/server/content/files/160b33d48ae92d---55646884536.pdfIn PDF document text
  • http://veiligheidssloten.nl/ckfinder/userfiles/files/tawepefuduzawatibowano.pdfIn PDF document text
  • http://elsekmont.eu/userfiles/file/28405007586.pdfIn PDF document text
  • https://kede.org/userfiles/file/mupoziruzowavawovina.pdfIn PDF document text
  • https://muacash.com/webroot/img/files/79563758026.pdfIn PDF document text
  • https://www.rydalmereprestige.com.au/wp-content/plugins/super-forms/uploads/php/files/rqcqc7jcj11o9dosgs4it2h1ka/vafolifebapixirepabufowom.pdfIn PDF document text
  • http://1137.jp/app/webroot/js/ckfinder/userfiles/files/nifatagiwopaluvod.pdfIn PDF document text
  • http://appletechsolutions.com/userfiles/file/87011557501.pdfIn PDF document text
  • https://www.willmarareachamber.com/ckfinder/userfiles/files/49951491357.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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