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://nomylo.ru/uplcv?utm_term=whatsapp+apk+free+download+for+windows+10 PDF link annotation

  • https://www.scanworld.se/wp-content/plugins/formcraft/file-upload/server/content/files/160b5c556d55ab---94367052881.pdfIn PDF document text
  • https://canadiancontractorservices.com/wp-content/plugins/super-forms/uploads/php/files/r9uoo06ljttcrp39rq6b0oae13/54817684475.pdfIn PDF document text
  • http://kwik-it.ru/wp-content/plugins/formcraft/file-upload/server/content/files/160b6221c8b3cb---kerop.pdfIn PDF document text
  • http://ophtalmic-overnight.fr/wp-content/plugins/formcraft/file-upload/server/content/files/160b431b0aa193---24494013529.pdfIn PDF document text
  • http://sad-azov.ru/wp-content/plugins/super-forms/uploads/php/files/55c4a9f82de925df2b8cc3c870fbb398/daragavesafosum.pdfIn PDF document text
  • https://kildevangen.dk/files/dafelizesoguzojolelisuw.pdfIn PDF document text
  • http://suportti.com/wp-content/plugins/formcraft/file-upload/server/content/files/160b7306ca22cc---ralofopusutadapa.pdfIn PDF document text
  • http://1careglobal.com/upload/files/90339244698.pdfIn PDF document text
  • http://pc75.net/upfiles/file/1621367607.pdfIn PDF document text
  • http://webbuilders.com/files/file/54504760206.pdfIn PDF document text
  • https://www.schroedersales.com/wp-content/plugins/super-forms/uploads/php/files/360d13d80a80f8838a8137782325360b/wovexub.pdfIn PDF document text
  • http://verkoop-je-wagen.be/wp-content/plugins/formcraft/file-upload/server/content/files/160814308d85d3---69469511608.pdfIn PDF document text
  • http://www.tsssport.com/wp-content/plugins/formcraft/file-upload/server/content/files/160808267543fd---58531074236.pdfIn PDF document text
  • http://ideatity.com/ckfinder/userfiles/files/dixugapowobiwe.pdfIn PDF document text
  • https://nuevocoach.co.uk/wp-content/plugins/super-forms/uploads/php/files/198459af4b594523a3c142b1f5870b4c/97078095819.pdfIn PDF document text
  • http://sxhk365.com/uploads/file///18154702747.pdfIn PDF document text
  • https://medsplus.us/admin/images/file/76051820792.pdfIn PDF document text
  • https://ssvacancy.com/ckfinder/userfiles/files/58421944798.pdfIn PDF document text
  • https://lederstuehle-shop.de/ckfinder/userfiles/files/tefetejitiketuj.pdfIn PDF document text
  • https://ventana-sur.com/wp-content/plugins/formcraft/file-upload/server/content/files/1609ac102150ab.pdfIn PDF document text
  • https://aksusu.com/upload/files/ginipuvanaduxuwetumexav.pdfIn PDF document text
  • https://karapinler.com/calisma2/files/uploads/46176358056.pdfIn PDF document text
  • http://www.leads-bd.org/app/webroot/js/ckfinder/userfiles/files/84859848365.pdfIn PDF document text
  • http://darienhighschool1961.com/clients/6/6a/6a5b14ca9cca6c9c7811e238b5dc87af/File/30198752601.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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