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 https://ketchas.ru/uplcv?utm_term=tax+amnesty+scheme+2018+ordinance+pdf PDF link annotation

  • https://sfasg.jp/js/ckfinder/userfiles/files/87126591942.pdfIn PDF document text
  • http://ahcxdq.com/uploads/file/040506028147.pdfIn PDF document text
  • http://www.jamesbgriffinlaw.com/wp-content/plugins/formcraft/file-upload/server/content/files/160bd0cb0c9174---22366934070.pdfIn PDF document text
  • https://cebrigantina.com/025-CEB/images-editor/file/75304152752.pdfIn PDF document text
  • https://avonsteel.com/UserFiles/file/7969077446.pdfIn PDF document text
  • https://vashadvokat82.ru/wp-content/plugins/super-forms/uploads/php/files/5fccbd5a1d90441a6aae2009f751bc89/84802496262.pdfIn PDF document text
  • http://richmediahouse.com/admin/uploads/file/78793207368.pdfIn PDF document text
  • https://daiichigroup.net/uploads/news_file/89381100600.pdfIn PDF document text
  • http://fygl.net/uploads/file/242356195875.pdfIn PDF document text
  • http://redwoodpwr.com/wp-content/plugins/super-forms/uploads/php/files/vjvm9622t7br1d8vfe1o152te4/dijonafamilezesal.pdfIn PDF document text
  • https://wecafephuket.com/wp-content/plugins/super-forms/uploads/php/files/23etp497stp2p03hmash5ffoiq/gedote.pdfIn PDF document text
  • http://imagespa.mx/wp-content/plugins/formcraft/file-upload/server/content/files/160c9821a8514f---37318170388.pdfIn PDF document text
  • https://kitapkaplama.com/upload/ckfinder/files/xitosafefesefi.pdfIn PDF document text
  • http://centonze-vini.com/userfiles/files/xesupuruzoziku.pdfIn PDF document text
  • https://prosaison.fr/userfiles/files/sewokibol.pdfIn PDF document text
  • http://www.garriagricola.com/wp-content/plugins/formcraft/file-upload/server/content/files/160b29e7e538db---wasezafifodixasilel.pdfIn PDF document text
  • http://montpellier-business-plan.eu/mbp/upload/images/images/upload/ckfinder/79128653927.pdfIn PDF document text
  • http://capital96.com/userfiles/file/solajodekudev.pdfIn PDF document text
  • https://rarahil.org.np/ckfinder/userfiles/files/44663293868.pdfIn PDF document text
  • https://kalatranslation.co.uk/wp-content/plugins/super-forms/uploads/php/files/if09qe6a7jtaci8o0dfcl30np8/3657337904.pdfIn PDF document text
  • http://qhzs88.com/admin/fckeditor_upfiles/file/2021072509525580554.pdfIn PDF document text
  • https://www.sesc.com.ua/wp-content/plugins/super-forms/uploads/php/files/0b38n5u8gs6684rmljveki1c81/6084383912.pdfIn PDF document text
  • http://mbjarrahi.com/UploadedFiles/New/file/tujoguzimugefiweregeba.pdfIn PDF document text
  • https://tamtam.com.ua/wp-content/plugins/super-forms/uploads/php/files/cde198cd7f14c8733359b1bfabd2b3bc/dudedol.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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