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.
• Visual download / call-to-action button lure low SE_DOWNLOAD_BUTTON
  Document contains a call-to-action phrase ('Click here to download', 'Download Now', etc.) — low-signal unless other findings point to a malicious workflow
• 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://nestaerospace.com/uploads/file/torerib.pdf In PDF document text

  • https://ka-base.no/images_content/file/31206640365.pdfIn PDF document text
  • https://boyanbolyarski.com/userfiles/file/43112737470.pdfIn PDF document text
  • https://socialacademy.gr/wp-content/plugins/super-forms/uploads/php/files/6d21ce2add0da1dfc1e3e005af547de9/5161259228.pdfIn PDF document text
  • https://lapalettedesarts.fr/gestion/file/82752460927.pdfIn PDF document text
  • https://madspot.dk/ckfinder/userfiles/files/59948474725.pdfIn PDF document text
  • https://art4you.sk/editor_uploads/system/files/33154164751.pdfIn PDF document text
  • https://techson-cctv.com/upload/file/xufusediselefazuje.pdfIn PDF document text
  • https://marblobath.com/app/webroot/img/files/nedin.pdfIn PDF document text
  • https://www.rydalmereprestige.com.au/wp-content/plugins/super-forms/uploads/php/files/1d69ec4uoinhbog613lb32nh9g/rifapobulojuxujuwivageb.pdfIn PDF document text
  • https://shotclock.ca/wp-content/plugins/super-forms/uploads/php/files/fce1ea71f323a3d9cb1988edbd619b17/54125172666.pdfIn PDF document text
  • http://ongnuocdenhat.com/upload/files/zejipenoxugubumuvolamekux.pdfIn PDF document text
  • http://anthonyvienna.com/sites/default/files/file/5879289430.pdfIn PDF document text
  • https://mobile-translator.eu/app/webroot/media/files/92752787103.pdfIn PDF document text
  • http://bazis-expertiza.ru/ckfinder/core/connector/php/files/81481454828.pdfIn PDF document text
  • https://alcc.vn/wp-content/plugins/super-forms/uploads/php/files/cp6r9gfbd07nbg3f9dhq7ops6j/5793722469.pdfIn PDF document text
  • https://christianboudreau.com/wp-content/plugins/formcraft/file-upload/server/content/files/160943333db331---31884177976.pdfIn PDF document text
  • https://braviengenharia.com.br/wp-content/plugins/super-forms/uploads/php/files/huo61m2dfi1gbct69er70a5tt3/17885508079.pdfIn PDF document text
  • https://taxforce.nl/userfiles/files/89384023739.pdfIn PDF document text
  • https://www.vibrationmonitoring.asia/wp-content/plugins/formcraft/file-upload/server/content/files/160ad553d59a2b---natudutivavuto.pdfIn PDF document text
  • https://psihodesk.ro/ckfinder/userfiles/files/58961589667.pdfIn PDF document text
  • http://softwarefactory.nl/images/file/xiruji.pdfIn PDF document text
  • https://feedproxy.google.com/~r/skout/mBVl/~3/GLLx1DTH0VQ/uplcv?utm_term=goodnotes+daily+planner+templates+free+2021PDF 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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