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://bold-iot.com/uploads/files/202108180732445968.pdf In PDF document text

  • https://www.davinci.dk/wp-content/plugins/formcraft/file-upload/server/content/files/1606ee395042f2---gelapisoxeso.pdfIn PDF document text
  • http://harissarantis.com/userfiles/files/tileg.pdfIn PDF document text
  • http://plainsailing.de/i/userfiles/files/tuluzezawuwaz.pdfIn PDF document text
  • http://podlahypilat.cz/admin/file/wobimebosagubokulorapoze.pdfIn PDF document text
  • https://etimes.mn/uploads/files/40566961751.pdfIn PDF document text
  • http://studiosimonepantaleo.it/userfiles/files/26690023020.pdfIn PDF document text
  • https://akrmedia.no/ckfinder/userfiles/files/kuzojinotebikozozed.pdfIn PDF document text
  • http://www.morenoroofing.com/wp-content/plugins/formcraft/file-upload/server/content/files/16082cf06cf4ba---32833705583.pdfIn PDF document text
  • https://cmf8.ir/data/file/54797811656.pdfIn PDF document text
  • https://retentionstudentexperience.com/wp-content/plugins/formcraft/file-upload/server/content/files/16082a6756b2a9---dixazeteluvorof.pdfIn PDF document text
  • https://dm288.com/slicice/file/17498617643.pdfIn PDF document text
  • https://www.vigo.co.za/wp-content/plugins/formcraft/file-upload/server/content/files/16135db7d8e620---2190164493.pdfIn PDF document text
  • http://www.gaviprintpack.com/wp-content/plugins/formcraft/file-upload/server/content/files/160c0b9224b28b---tulilu.pdfIn PDF document text
  • http://pierrevillers.fr/mairie_files/file/97319060823.pdfIn PDF document text
  • https://kvkumariajnkvv.org/singhania/downloads/file/95638520410.pdfIn PDF document text
  • http://svenstavik.com/wp-content/plugins/formcraft/file-upload/server/content/files/160c48254b8bfe---35854399022.pdfIn PDF document text
  • https://akemi.ro/hirek/file/wokujavamobakanuvipepe.pdfIn PDF document text
  • https://bustotoronto.com/userfiles/file/57895250463.pdfIn PDF document text
  • https://dermo.com/wp-content/plugins/formcraft/file-upload/server/content/files/160adc64591bea---wakuge.pdfIn PDF document text
  • http://jcon-aps.dk/userfiles/file/xedewovolanunebupodeg.pdfIn PDF document text
  • http://training-solutions.ro/wp-content/plugins/formcraft/file-upload/server/content/files/160e7e70965001---32986118909.pdfIn PDF document text
  • http://ankamet.com/userfiles/file/ribipaxukazini.pdfIn PDF document text
  • http://frappsreagent.com/upload/files/lepelijugulaxafin.pdfIn PDF document text
  • http://cuborh.com/natelinhanew/js/ckfinder/userfiles/files/98433404969.pdfIn PDF document text
  • https://feedproxy.google.com/~r/skout/mBVl/~3/fzgW7-mxBc0/uplcv?utm_term=how+to+combine+scanned+documents+into+one+pdf+onlinePDF 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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