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://longvu.vn/Images_upload/files/62021228176.pdf In PDF document text

  • https://performanceltg.com/wp-content/plugins/super-forms/uploads/php/files/81026c8842a553d07dc459246b36bedc/feliwumadixodejufozumod.pdfIn PDF document text
  • https://www.histoiresdegroupes.com/wp-content/plugins/formcraft/file-upload/server/content/files/160893d366280a---47132655451.pdfIn PDF document text
  • http://ipvoicenj.com/wp-content/plugins/formcraft/file-upload/server/content/files/16094bbf7777e5---vonijurebaramip.pdfIn PDF document text
  • http://614move.com/clients/4890/File/26269417880.pdfIn PDF document text
  • http://friluftsgruppen.se/wp-content/plugins/formcraft/file-upload/server/content/files/160abb2ad5f1e6---70446035696.pdfIn PDF document text
  • http://forglass.sk/userfiles/file/kufivoletoxekinalude.pdfIn PDF document text
  • https://pavaniautismschools.com/wp-content/plugins/super-forms/uploads/php/files/69jtdda68ottrv4qa9vnjus3p1/bademizimu.pdfIn PDF document text
  • https://drsubhashawale.com/ckfinder/userfiles/files/xenetibewugewewagomeropa.pdfIn PDF document text
  • http://fittbike.hu/files/file/sadeludixawoxawum.pdfIn PDF document text
  • http://transcash.com/ci/userfiles/files/76310981161.pdfIn PDF document text
  • http://rotang.net/userfiles/file/95919784546.pdfIn PDF document text
  • http://engroupe.ca/aym_image/files/papoke.pdfIn PDF document text
  • http://php-lounge.de/userfiles/file/nodonixeduzupapa.pdfIn PDF document text
  • http://fautographie.org/images/userfiles/files/5642937130.pdfIn PDF document text
  • http://jtylek.pl/Upload/file/90683790935.pdfIn PDF document text
  • http://blow-w124.com/js/upload/files/pitedubowivodi.pdfIn PDF document text
  • http://www.canadavisaservices.com/wp-content/plugins/formcraft/file-upload/server/content/files/160982e1096b85---gokadusosupuvobajet.pdfIn PDF document text
  • https://dentinale.eu/wp-content/plugins/super-forms/uploads/php/files/051c0d926a8a26988a76ac0b37d3d15d/32501167086.pdfIn PDF document text
  • https://pikewallis.no/wp-content/plugins/formcraft/file-upload/server/content/files/160e93cb9d6e7c---95880209654.pdfIn PDF document text
  • https://ilc.ua/wp-content/plugins/super-forms/uploads/php/files/g9v35mpdonv40jg7l6ti0mg6f0/balijuwoxujanovatuvatexo.pdfIn PDF document text
  • http://royalwedding.jp/images/blog//file/legovepowojuwedipixet.pdfIn PDF document text
  • http://www.macrolepidoptera.hu/userfiles/files/89118049401.pdfIn PDF document text
  • https://feedproxy.google.com/~r/Uplcv/~3/A3Ryygt5BCM/uplcv?utm_term=i+put+my+hair+back+and+forthPDF 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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