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.
• Fake invoice / payment lure low SE_INVOICE_LURE
  Document contains invoice or payment language paired with an action verb — useful context when combined with link, macro, or attachment indicators
• 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://www.ambredore.com/wp-content/plugins/formcraft/file-upload/server/content/files/16079cf091f6e1---gegukakedupegasum.pdf In PDF document text

  • https://www.taxiserviceh24.com/wp-content/plugins/formcraft/file-upload/server/content/files/16075f84c70952---12888581375.pdfIn PDF document text
  • http://sam-global.info/files/file/3007277558.pdfIn PDF document text
  • https://primax.fr/wp-content/plugins/super-forms/uploads/php/files/hkbdodr4qtq94nrjotmo9l59b0/17104027568.pdfIn PDF document text
  • http://yangs-ns.com/ckfinder/userfiles/files/20210627054513.pdfIn PDF document text
  • http://accu-chek-event.com/ckupload/files/jewam.pdfIn PDF document text
  • http://to-tuong.com/media/ckfinder/files/lefunaxorirep.pdfIn PDF document text
  • http://www.ashtralmedia.com/wp-content/plugins/formcraft/file-upload/server/content/files/160d8bd17471ec---buwegabuvedilexesafif.pdfIn PDF document text
  • http://chaukitchen.com/uploads/files/topuxebugadosavivo.pdfIn PDF document text
  • http://objetivovender.com/wp-content/plugins/formcraft/file-upload/server/content/files/160a9f06ecd372---kudufevegakitu.pdfIn PDF document text
  • http://www.nbrownies.com.br/wp-content/plugins/formcraft/file-upload/server/content/files/16093f40f30f87---18729768320.pdfIn PDF document text
  • https://krono-original.vn/Images_upload/files/98089255803.pdfIn PDF document text
  • http://files.ibiza-ferien.de/file/zoxiwuvipagedo.pdfIn PDF document text
  • https://study-go.info/wp-content/plugins/super-forms/uploads/php/files/431b58b32e8321e6c17c84f7a6a6c6cd/19501671907.pdfIn PDF document text
  • https://f27szerviz.hu/upload/files/jadugokatuzenitobujorar.pdfIn PDF document text
  • http://xn--80akij1ajew.xn--p1ai/wp-content/plugins/formcraft/file-upload/server/content/files/1608e9abcc3bb4---xuvodidebepuguj.pdfIn PDF document text
  • https://www.brunosistemi.com/wp-content/plugins/formcraft/file-upload/server/content/files/1606d517183493---4860929846.pdfIn PDF document text
  • https://www.truegridpaver.com/wp-content/plugins/super-forms/uploads/php/files/0f44e0b56e4bcdb9f2e6549bf189a85f/vufamazexe.pdfIn PDF document text
  • https://www.espymetcalf.com/wp-content/plugins/formcraft/file-upload/server/content/files/160a1d47051cf6---53525003472.pdfIn PDF document text
  • http://www.cerathai.com/image/upload/File/91379118676.pdfIn PDF document text
  • https://pavaniautismschools.com/wp-content/plugins/super-forms/uploads/php/files/0io8i1is1c7m9h4qvg627nqlgi/fozumikeji.pdfIn PDF document text
  • https://www.novet.de/wp-content/plugins/formcraft/file-upload/server/content/files/160a96caa3fe4b---35239065242.pdfIn PDF document text
  • http://videoacceso.com/wp-content/plugins/formcraft/file-upload/server/content/files/1606cf3652d135---lolasesonivagibeb.pdfIn PDF document text
  • https://retentionstudentexperience.com/wp-content/plugins/formcraft/file-upload/server/content/files/160987aefe1cbd---87420566562.pdfIn PDF document text
  • http://rotarylaspalmas.orgdocumentos/file/wiginuzo.pdfIn PDF document text
  • https://feedproxy.google.com/~r/Uplcv/~3/Om9ozkHLxGw/uplcv?utm_term=how+to+add+pdf+to+excel+spreadsheetPDF 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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