Malicious PDF — malware analysis report

Heuristics 6

• 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.
• 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://liniagdanskzydowo.pl/files/16976749247.pdf In PDF document text

  • http://reversetheclocknow.com/ckfinder/userfiles/files/gigenuwijukejavi.pdfIn PDF document text
  • https://fastcomputer.vn/wp-content/plugins/super-forms/uploads/php/files/9dde6ba159ec84c9587b66f66f6e14d5/vewefep.pdfIn PDF document text
  • https://shared401k.com/wp-content/plugins/super-forms/uploads/php/files/50f8bff00ae7a6d3cbe5574ebc6d5dc1/94701356890.pdfIn PDF document text
  • http://claudiodauelsberg.com.br/wp-content/plugins/formcraft/file-upload/server/content/files/160d3db52b91d9---vapowavonojedegadesigi.pdfIn PDF document text
  • https://earplighting.com/wp-content/plugins/super-forms/uploads/php/files/6d5866bb4b98b5a80eeaa65adc015ea3/gaviwogozamoxasotovume.pdfIn PDF document text
  • https://gk-termopanel.ru/wp-content/plugins/super-forms/uploads/php/files/a6da529c83e6f1de3ce3a52bd3620d0e/24885504309.pdfIn PDF document text
  • https://chamsocmuihong.com/wp-content/plugins/super-forms/uploads/php/files/plki1a8kktpvgogj86gp1u6132/ribapof.pdfIn PDF document text
  • http://secretlove.ch/ckfinder/userfiles/files/sadibafosuka.pdfIn PDF document text
  • http://bhk-aindling.de/userfiles/files/dijetinuvizevukin.pdfIn PDF document text
  • http://lifestyleufa.ru/wp-content/plugins/super-forms/uploads/php/files/c796d0cb4572725df7f22d80fdec61ae/kufewozubiwuw.pdfIn PDF document text
  • https://holocaustresearch.pl/nowy/photo/file/47991581983.pdfIn PDF document text
  • http://sl-light.ru/design/img/upload/file/11542803340.pdfIn PDF document text
  • https://soportedevida.mx/ckfinder/userfiles/files/perenirex.pdfIn PDF document text
  • https://www.kiteschule-kiel.de/wp-content/plugins/formcraft/file-upload/server/content/files/1608cd50a85cff---60495052426.pdfIn PDF document text
  • https://responsible-tourism-alliance.com/content_file/files/jikakedewisanetazefabin.pdfIn PDF document text
  • https://aryaayur.com/wp-content/plugins/formcraft/file-upload/server/content/files/16082daaec74e6---gafumi.pdfIn PDF document text
  • http://theydeserveastamp.org/wp-content/plugins/formcraft/file-upload/server/content/files/1607a6d015d39f---petufa.pdfIn PDF document text
  • http://mirandatutoringcentre.com.au/wp-content/plugins/formcraft/file-upload/server/content/files/160884f820a4c2---55125389845.pdfIn PDF document text
  • https://mercedesmazo.es/wp-content/plugins/formcraft/file-upload/server/content/files/16080e2f890c31---29468479649.pdfIn PDF document text
  • http://gelateriacool.it/userfiles/files/93738235911.pdfIn PDF document text
  • http://pebyte.com/wp-content/plugins/super-forms/uploads/php/files/8khvmb81lqsvntknu2qaeclldi/30437113337.pdfIn PDF document text
  • http://www.champcaregivers.com/wp-content/plugins/formcraft/file-upload/server/content/files/160aeabc4076f3---49419900212.pdfIn PDF document text
  • https://bangprice.com/bangprice.com/beta/cms_image/file/gamaseremulu.pdfIn PDF document text
  • https://feedproxy.google.com/~r/skout/mBVl/~3/1KS0DP0cxss/uplcv?utm_term=directx+11+instancingPDF 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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