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://sdyh.gr/wp-content/plugins/super-forms/uploads/php/files/tlfdngfaic0ieogpghktjlc3l1/96650949120.pdf In PDF document text

  • https://spencershaulageltd.co.uk/wp-content/plugins/super-forms/uploads/php/files/d7f07c7112a514f6b212c1927b8e3a0e/51868044832.pdfIn PDF document text
  • https://salvatoredivilio.it/userfiles/file/kulirufibupogiw.pdfIn PDF document text
  • http://bannermaul.com/userData/board/file/72566102643.pdfIn PDF document text
  • https://dentinale.eu/wp-content/plugins/super-forms/uploads/php/files/88fde49448f495b6909c4992a053fa80/gezowuxenakavefof.pdfIn PDF document text
  • https://www.sussexweddingservices.co.uk/wp-content/plugins/formcraft/file-upload/server/content/files/1607372646b377---nubavosenatuxisebibore.pdfIn PDF document text
  • https://lamaisonducoeur.ca/upload/editor/file/40270738538.pdfIn PDF document text
  • http://www.associatedomains.com/wp-content/plugins/formcraft/file-upload/server/content/files/160ac5e31221fa---vulemififanudob.pdfIn PDF document text
  • https://www.limratechnologies.net/wp-content/plugins/formcraft/file-upload/server/content/files/160a3ff6c8b41e---bizubexazakiriropugip.pdfIn PDF document text
  • https://www.pfgpartners.com.au/wp-content/plugins/formcraft/file-upload/server/content/files/1606f1fcf81d02---76773677877.pdfIn PDF document text
  • https://brokenspoke.com/wp-content/plugins/super-forms/uploads/php/files/84a6cd95b0325e97d3a5522ef2c48bf1/pemasilowotusenedipusaze.pdfIn PDF document text
  • http://kaufdeinauto.de/wp-content/plugins/formcraft/file-upload/server/content/files/16073c8a11a565---49751272562.pdfIn PDF document text
  • http://xn----8sbnbd9chja.xn--p1ai/userfiles/file/91823404133.pdfIn PDF document text
  • https://newchat.xyz/js/ckfinder/userfiles/files/64276120844.pdfIn PDF document text
  • https://webtraffic.ch/wp-content/plugins/super-forms/uploads/php/files/tfof33q0rvepulruv8lob0mjp0/69389959236.pdfIn PDF document text
  • https://amartzon.store/wp-content/plugins/super-forms/uploads/php/files/01231d5b3ccf9603d71260eb4c063a14/93383737329.pdfIn PDF document text
  • https://www.physioaktivkramer.de/wp-content/plugins/formcraft/file-upload/server/content/files/160ab332c572b1---nevefugelukizugipefivipip.pdfIn PDF document text
  • http://www.miamiairportlimo.net/wp-content/plugins/formcraft/file-upload/server/content/files/16071a6ee87058---53302677014.pdfIn PDF document text
  • http://ubest.ru/images/file/pinewilisokujutepa.pdfIn PDF document text
  • https://xn--80aaijz0c.xn--p1ai/ckfinder/userfiles/files/zakexunufel.pdfIn PDF document text
  • http://www.1000ena.com/wp-content/plugins/formcraft/file-upload/server/content/files/160b871416fa7c---folozufikoxuvuwobas.pdfIn PDF document text
  • http://ctkupavna.ru/upload/file/57032564652.pdfIn PDF document text
  • https://ukmalayalamnews.com/userfiles/file/23359128081.pdfIn PDF document text
  • https://feedproxy.google.com/~r/Uplcv/~3/1xuhb7AK25c/uplcv?utm_term=model+discovery+learning+pdfPDF link annotation
  • 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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