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 http://humanlitech.com/files/files/97399584349.pdf In PDF document text

  • https://pikhospital.com/ck_uploads/uploads/files/dasowibozikegabu.pdfIn PDF document text
  • http://protech.com.ng/wp-content/plugins/formcraft/file-upload/server/content/files/161315d1a9dc2b---67416641332.pdfIn PDF document text
  • http://1utilaje.ro/mm/file/34919598744.pdfIn PDF document text
  • http://irths.com/upload_files/files/rafosokobuxe.pdfIn PDF document text
  • https://motelandratecuci.ro/userfiles/file/nozapemav.pdfIn PDF document text
  • http://rotarycochinharbour.org/ci/userfiles/files/41193625189.pdfIn PDF document text
  • http://sinoscaform.com/upload/ckimg/files/202109020925104220.pdfIn PDF document text
  • http://kaplanpm.com/wp-content/plugins/formcraft/file-upload/server/content/files/16133e4b13c127---35210340742.pdfIn PDF document text
  • https://nacionalequipamentos.com/ckeditor/uploads/files/sabumopupinara.pdfIn PDF document text
  • https://easresidence.ro/app/webroot/files/userfiles/files/36879203629.pdfIn PDF document text
  • http://smartmedicaleg.com/wp-content/plugins/formcraft/file-upload/server/content/files/16130658926dee---donelefiro.pdfIn PDF document text
  • http://le-nora.com/userfiles/file/kajajofago.pdfIn PDF document text
  • http://randoquad72.fr/userfiles/file/30442322769.pdfIn PDF document text
  • http://www.onegelha.com/wp-content/plugins/super-forms/uploads/php/files/82bac79dd2e68787f7882216c84382ef/bovarazodagumawilibukusiw.pdfIn PDF document text
  • https://wemservice.com/ckfinder/userfiles/files/mibase.pdfIn PDF document text
  • https://zlato-stribro-investice.com/upload/files/tinesafurosagolu.pdfIn PDF document text
  • https://www.pactforfamilies.org/ckfinder/userfiles/files/2479820231.pdfIn PDF document text
  • https://www.frankcapassoandsons.com/wp-content/plugins/formcraft/file-upload/server/content/files/16138d5b267d2f---29208223711.pdfIn PDF document text
  • http://ux02.wadhost.com/js/ckfinder/userfiles/files/3931076825.pdfIn PDF document text
  • http://xn--80aafjbaeihgganggf9ajkncugh2a.xn--p1ai/pict/file/26691580210.pdfIn PDF document text
  • http://cjatkinson.com/userimages/36386122223.pdfIn PDF document text
  • https://feedproxy.google.com/~r/1eyvgo/aqOO/~3/PmAiG5ZyT-k/uplcv?utm_term=best+mobile+os+uiPDF 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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