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://laborke.ru/uplcv?utm_term=perspectives+of+psychology+worksheet PDF link annotation

  • https://keiba-like.biz/js/ckfinder/userfiles/files/50291163285.pdfIn PDF document text
  • http://nakamurasangyou.jp/app/webroot/uploads/files/74495095082.pdfIn PDF document text
  • http://www.saraviation.com/wp-content/plugins/formcraft/file-upload/server/content/files/160783bb78795b---tidunomugusuv.pdfIn PDF document text
  • https://turismopontevedra.com/ckfinder/userfiles/files/35402270521.pdfIn PDF document text
  • http://www.morenoroofing.com/wp-content/plugins/formcraft/file-upload/server/content/files/160aa0595b6659---jipadonapetodorosiwi.pdfIn PDF document text
  • https://www.teppiche-waschen-hamburg.de/wp-content/plugins/formcraft/file-upload/server/content/files/160860cbf43e26---88602726273.pdfIn PDF document text
  • https://artasedanasingaraja.com/uploadfck/file/3670611346.pdfIn PDF document text
  • http://deeringbayrealestate.com/userfiles/files/vusanujawelular.pdfIn PDF document text
  • http://dansungsala.com/uploads/files/surivewigakisajojoxidowof.pdfIn PDF document text
  • http://www.sparkprototypes.com/wp-content/plugins/formcraft/file-upload/server/content/files/161217981ee426---logibitutekokiwo.pdfIn PDF document text
  • http://yishiweb.com/upfiles/files/20210701_001738.pdfIn PDF document text
  • https://adamant54.ru/userfiles/files/tevosarugudevevofo.pdfIn PDF document text
  • http://clinicaveterinariaalbese.eu/userfiles/files/88157131695.pdfIn PDF document text
  • https://studio45.live/wp-content/plugins/super-forms/uploads/php/files/vt16k6lgj2ira1kk0bhtvojcpo/37335619957.pdfIn PDF document text
  • https://longislandinvestmentadvisors.com/nini/userfiles/file/20182186865.pdfIn PDF document text
  • http://xperion.hu/wp-content/plugins/super-forms/uploads/php/files/4320d056cdbec4d1688c8eef0ee26b4a/13844761283.pdfIn PDF document text
  • http://aaexpansionjoint.com/wp-content/plugins/formcraft/file-upload/server/content/files/160a299a047660---60577284296.pdfIn PDF document text
  • http://2sisaccount.com/userfiles/files/nowos.pdfIn PDF document text
  • http://hi-reid-solutions.com/wp-content/plugins/super-forms/uploads/php/files/5b4611e5f1674a92161da72ccb4846ed/lozunufotixovonikebadu.pdfIn PDF document text
  • http://consulcongress.it/uploads/assets/file/mubek.pdfIn PDF document text
  • https://centrobrands.com/wp-content/plugins/super-forms/uploads/php/files/f7977db242f3d34abf51a3aec49881f8/kipul.pdfIn PDF document text
  • http://vestmorecapital.com/images/epost/gukebajatev.pdfIn PDF document text
  • http://www.roosprommenschenckelfoundation.nl/ckfinder/files/files/91242615941.pdfIn PDF document text
  • https://uleshuzataruhaz.hu/files/file/wuruzemizosi.pdfIn PDF document text
  • http://www.nandomoraes.com.br/wp-content/plugins/formcraft/file-upload/server/content/files/160b727070d4b0---92950908642.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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