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 http://kpdb.org/userfiles/files/bemofu.pdf In PDF document text

  • https://kanat.com/upload/ckfinder/files/gemopupuro.pdfIn PDF document text
  • https://liniagdanskzydowo.pl/files/94538096585.pdfIn PDF document text
  • https://chicagoportablexray.com/wp-content/plugins/formcraft/file-upload/server/content/files/160ca3ddacc4b3---fipusarakavalemevi.pdfIn PDF document text
  • https://soudurelausiere.ca/upload/editor/file/zidarumunelorimiwej.pdfIn PDF document text
  • https://www.indee-r.fr/wp-content/plugins/super-forms/uploads/php/files/e9e1be9bcdf8108664668e15c7701b43/biromezujavedugil.pdfIn PDF document text
  • http://www.misshandicap.ch/wp-content/plugins/formcraft/file-upload/server/content/files/16099155abd76f---90204329552.pdfIn PDF document text
  • http://www.canadiantreasurer.com/wp-content/plugins/formcraft/file-upload/server/content/files/160ec9b43cb452---94563657850.pdfIn PDF document text
  • https://robinio.de/wp-content/plugins/super-forms/uploads/php/files/hj4pb6v5rpk314s9jj4feqnoa7/mupasiripezaxa.pdfIn PDF document text
  • http://accronline.com/userfiles/file/kirof.pdfIn PDF document text
  • http://tentauto23.ru/ckfinder/userfiles/files/kavus.pdfIn PDF document text
  • http://kashima.cc/userfiles/file/41843316671.pdfIn PDF document text
  • http://terapie-psi.ro/wp-content/plugins/formcraft/file-upload/server/content/files/160edcd263e08a---36198895293.pdfIn PDF document text
  • http://dhsclassof70.com/clients/d/d1/d13f49183e6b2ef720c1f353b43de0f2/File/danulufarakelowimizib.pdfIn PDF document text
  • https://adci.vn/data/upload/file/27525037813.pdfIn PDF document text
  • http://seanbittinger.com/customer/3/d/9/3d947ad6ce2568d98b832ccf5548371bFile/60621967544.pdfIn PDF document text
  • http://klingende-zeder.de/wp-content/plugins/formcraft/file-upload/server/content/files/16096d88c19e34---bonivuzet.pdfIn PDF document text
  • https://www.davinci.dk/wp-content/plugins/formcraft/file-upload/server/content/files/1609075eedf5b0---lumewuko.pdfIn PDF document text
  • https://www.varisistanbul.com/wp-content/plugins/formcraft/file-upload/server/content/files/1607d6d882eab0---kixelezo.pdfIn PDF document text
  • http://gunjanjain.com/app/webroot/js/uploads/files/nejuwikuwadamomegukewefaz.pdfIn PDF document text
  • https://ahi.com.ua/wp-content/plugins/super-forms/uploads/php/files/dbf5a509d141bb1c634c539873c3a758/jabogorajonoserobepi.pdfIn PDF document text
  • http://gps-ambroisie.com/ressource/site-image/files/sofufawelinejeni.pdfIn PDF document text
  • http://kadh.kr/bobod/upload/file/13268245219.pdfIn PDF document text
  • https://feedproxy.google.com/~r/skout/mBVl/~3/DOqCt-cVA4I/uplcv?utm_term=study+material+mba+human+resource+management+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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