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://lawtutors.co.uk/js/ckfinder/userfiles/files/69573700688.pdf In PDF document text

  • http://www.hotel-margherita.com/wp-content/plugins/formcraft/file-upload/server/content/files/1612acfacab248---ladifepimumamarifowefep.pdfIn PDF document text
  • http://yacpa.org/yacpafiles/file/34919127191.pdfIn PDF document text
  • https://lawtutors.co.uk/js/ckfinder/userfiles/files/wolikafomajomakifejot.pdfIn PDF document text
  • https://www.truesdalepainting.com/wp-content/plugins/formcraft/file-upload/server/content/files/1611844610a354---20345185965.pdfIn PDF document text
  • http://www.franklinwebdesign.com/wp-content/plugins/formcraft/file-upload/server/content/files/160a2ac5355581---12205659970.pdfIn PDF document text
  • http://ztkammer.at/uploads/file/ginekoruzewogezajojim.pdfIn PDF document text
  • https://baodinhsolar.com/wp-content/plugins/super-forms/uploads/php/files/c8v906igjihqqrjd7hk6m29b98/65410031364.pdfIn PDF document text
  • http://barrarioservicos.com.br/wp-content/plugins/formcraft/file-upload/server/content/files/1607fc168a2f9f---70854351613.pdfIn PDF document text
  • http://ketoanaca.com/uploads/image/files/24722495524.pdfIn PDF document text
  • https://www.darrellstuckey.com/wp-content/plugins/formcraft/file-upload/server/content/files/16093a18a5b6a6---17794117643.pdfIn PDF document text
  • http://veronicanealhome.com/wp-content/plugins/formcraft/file-upload/server/content/files/2/160c8e03007360---21714474235.pdfIn PDF document text
  • http://dges.in/userfiles/file/42616145527.pdfIn PDF document text
  • https://apgr.eu/UserFiles/file/kafilodukijem.pdfIn PDF document text
  • https://embassyinvietnam.com/webroot/img/files/62226412359.pdfIn PDF document text
  • http://www.medicalalliedtraining.com/wp-content/plugins/formcraft/file-upload/server/content/files/160ab1184c837e---kadifebezakoxasitil.pdfIn PDF document text
  • http://pfmconsulting.org/survey/userfiles/files/81444038814.pdfIn PDF document text
  • http://www.everhouse.lt/wp-content/plugins/formcraft/file-upload/server/content/files/160f0e2c662ef5---numabefanoromunejivi.pdfIn PDF document text
  • https://cuisinescartier.ca/upload/editor/file/jumamurup.pdfIn PDF document text
  • http://teacherandtraining.com/coj_u/KK/userfiles/files/7356527952.pdfIn PDF document text
  • http://thoitrangvabaoho.com/Images_upload/files/63345487297.pdfIn PDF document text
  • https://feedproxy.google.com/~r/skout/mBVl/~3/6naE_Nh8_CY/uplcv?utm_term=journal+international+chemistry+education+pdfPDF 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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