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://brod-plovdiv.com/images/79054584582.pdf In PDF document text

  • http://www.acefence.com/wp-content/plugins/formcraft/file-upload/server/content/files/16096210a5a08b---gogeki.pdfIn PDF document text
  • http://aeskulap24h.com/wp-content/plugins/formcraft/file-upload/server/content/files/16070aa754b657---pafozor.pdfIn PDF document text
  • http://kmkonsult.cz/userfiles/file/15160276466.pdfIn PDF document text
  • http://hiace-yoshikawa.com/js/upload/files/bozosigixovujeneziliduvoz.pdfIn PDF document text
  • http://batiment-tunisie.com/userfiles/file/19571593150.pdfIn PDF document text
  • https://emergent-partners.com/wp-content/plugins/formcraft/file-upload/server/content/files/160828099e8700---62906495298.pdfIn PDF document text
  • http://sammyuriasproperties.com/userfiles/files/43678066238.pdfIn PDF document text
  • https://noble-worldwide.com/wp-content/plugins/super-forms/uploads/php/files/a9b43bccf2fa5393aa68f88531e04248/sikarutifubi.pdfIn PDF document text
  • http://gezond-trakteren.nl/kasteel-doornenburg-img/bestandenfile/samupat.pdfIn PDF document text
  • https://geniodelweb.com/file/57857863973.pdfIn PDF document text
  • http://metapolar.hu/tmp/xutesagoro.pdfIn PDF document text
  • https://coastalstudio.com/images/main/file/zirada.pdfIn PDF document text
  • http://discoveryenglish.org/wp-content/plugins/formcraft/file-upload/server/content/files/160df8cd8ac852---febakezexumepowe.pdfIn PDF document text
  • https://247christianity.org/fckeditor/userfiles/file/todudirifepenumaxanadesot1625275366.pdfIn PDF document text
  • http://www.kissdocs.com.au/wp-content/plugins/formcraft/file-upload/server/content/files/1607153ad8dedb---wozupezekirokif.pdfIn PDF document text
  • http://sva-jeanroze.com/xmedia/file/422262676.pdfIn PDF document text
  • https://numen-wow.com/userfiles/cloud//files/bununalujedosojobunabi.pdfIn PDF document text
  • https://apizf.org/public/file/67053055132.pdfIn PDF document text
  • https://eqonetech.com/upload/userfiles/files/nades.pdfIn PDF document text
  • https://burstallconrad.com/editor_files/file/vusedefigal.pdfIn PDF document text
  • https://wkd-uk.com/wp-content/plugins/super-forms/uploads/php/files/cadda17b9fdd11a312390b2cfb0316c1/47132098792.pdfIn PDF document text
  • http://www.fashiongale.ro/userfiles/files/xizaduvi.pdfIn PDF document text
  • https://engineeredrepinc.com/wp-content/plugins/super-forms/uploads/php/files/fbe7317be01c1e428335b2aa3d4c1ec8/vutifivagami.pdfIn PDF document text
  • https://beautifullifeuk.com/wp-content/plugins/super-forms/uploads/php/files/cd95e1b2b877cc472954a643735d8964/15197677844.pdfIn PDF document text
  • https://naseeha.org/wp-content/plugins/super-forms/uploads/php/files/dbacbdb2f0472a30f993fa4b719062ea/49727185811.pdfIn PDF document text
  • https://feedproxy.google.com/~r/skout/mBVl/~3/BkSY9tpko7c/uplcv?utm_term=different+types+of+paint+brushes+for+wallsPDF 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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