Malicious PDF — malware analysis report

Heuristics 6

• 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.
• 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=wh+questions+worksheets+for+kindergarten PDF link annotation

  • http://szao-spb.ru/images/news/file/pamiwamimoxefekapa.pdfIn PDF document text
  • https://topupdana.com/contents//files/konipiwumenapi.pdfIn PDF document text
  • http://www.satunatc.ac.th/ckfinder/userfiles/files/zuwujadufepezukozofufeve.pdfIn PDF document text
  • http://fundacionecla.org/resources/original/file/xoziloja.pdfIn PDF document text
  • https://stakeoutllc.com/wp-content/plugins/super-forms/uploads/php/files/6d2c16bcefc715c2898a157dbce44d29/kexizunalo.pdfIn PDF document text
  • http://seamacros.com/upload/file/bibedubezetafavi.pdfIn PDF document text
  • http://assessmentinsight.com/ckfinder/userfiles/files/wikarazufosexevibuwovoxip.pdfIn PDF document text
  • https://humantouchtranslations.com/wp-content/plugins/formcraft/file-upload/server/content/files/1/160a4164ecf2f3---59767154241.pdfIn PDF document text
  • https://by-express.com/upfiles/editor/files/1580614168.pdfIn PDF document text
  • https://jetzterstrecht.hamburg/wp-content/plugins/super-forms/uploads/php/files/v2tsquqpsp9bet10moousq1ge6/mejebedibuxe.pdfIn PDF document text
  • http://agenziaimmobiliarecannavo.eu/userfiles/files/91905229753.pdfIn PDF document text
  • http://sochisushi.nl/survey/userfiles/files/wulijodojizefidizofun.pdfIn PDF document text
  • http://axiomestates.com/userfiles/file/50542327473.pdfIn PDF document text
  • http://renovator.cz/files/file/xadezujativevowuxesafen.pdfIn PDF document text
  • http://svs-pm.com/wp-content/plugins/formcraft/file-upload/server/content/files/16072d2fd793fb---77079169058.pdfIn PDF document text
  • https://le27.fr/docs/file/98627894993.pdfIn PDF document text
  • https://prana.video/wp-content/plugins/super-forms/uploads/php/files/lg76k5dht4ood38enti7n26nq9/nivasaxosuvirojop.pdfIn PDF document text
  • https://www.isgs.org/wp-content/plugins/super-forms/uploads/php/files/c89f890d462c32706ee8691c2fea2f47/tofefepiluraw.pdfIn PDF document text
  • http://botanicgardenscafe.com.au/wp-content/plugins/formcraft/file-upload/server/content/files/160877b5ea2f1c---89458938494.pdfIn PDF document text
  • http://exactblue.com/wp-content/plugins/formcraft/file-upload/server/content/files/16112bd28d538e---xagogogunanalurova.pdfIn PDF document text
  • http://mysistermyfriendministries.org/clients/85776/File/13506564790.pdfIn PDF document text
  • https://riolospettacoli.it/filesUploads/file/558883490.pdfIn PDF document text
  • https://www.freshstartdigitalmarketing.com/wp-content/plugins/super-forms/uploads/php/files/c08c820cfd7a2e8baf1277b86bec443f/wibemagobifitezesi.pdfIn PDF document text
  • http://myphamasia.net/upload/files/11662502641.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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