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://irlanc.ru/uplcv?utm_term=general+knowledge+mcqs+pdf+with+answers PDF link annotation

  • https://alev.az/userfiles/file/70961897108.pdfIn PDF document text
  • https://coopinproject.eu/ckfinder/userfiles/files/36497242389.pdfIn PDF document text
  • https://zhbiotech.com/CKEdit/upload/files/zidog.pdfIn PDF document text
  • http://www.lbtfilm.com/uploads/files/8268341935.pdfIn PDF document text
  • http://studionegro.net/userfiles/files/92872826567.pdfIn PDF document text
  • http://patrickstaxi.fr/userfiles/file/xeget.pdfIn PDF document text
  • http://www.iycadana.org/wp-content/plugins/super-forms/uploads/php/files/1thh1hvvaqbq8j9l45svf144a3/pivirarubifidobaluf.pdfIn PDF document text
  • http://lltsg.com/uploadfile/file///2021090902015160.pdfIn PDF document text
  • https://ijtm.in/userfiles/file/kojatavudilopuve.pdfIn PDF document text
  • http://aldo-ins.com/userfiles/file/77807913924.pdfIn PDF document text
  • http://www.belladermeestetica.com.br/wp-content/plugins/formcraft/file-upload/server/content/files/1613b2eab6ca95---gajudafufap.pdfIn PDF document text
  • https://lolakarimova.uz/ckfinder/userfiles/files/66227585388.pdfIn PDF document text
  • http://thekitchendesignstudio.org/uploads/files/pudedo.pdfIn PDF document text
  • https://beautyyaurient.com/editor_upload/file/kujekosezadiris.pdfIn PDF document text
  • http://abdon.madteam.net/ckfinder/userfiles/files/39064457456.pdfIn PDF document text
  • http://yepuco.com/uploads/files/18784806968.pdfIn PDF document text
  • http://lpkgoodframeupvc.com/userfiles/files/99107234829.pdfIn PDF document text
  • https://gamma-electronics-eg.com/userfiles/files/15845770290.pdfIn PDF document text
  • http://shengnabei.com/uploadfile/file///2021091001235969.pdfIn PDF document text
  • http://www.greddy.com/admin/common/ckfinder/userfiles/File/xobevaxareganewugoduxemeg.pdfIn PDF document text
  • https://ccskin.com/geektic/files/mutupofasurasotonafi.pdfIn PDF document text
  • http://plechotice.sk/tmp/file/dizulerimirogexijatotasat.pdfIn PDF document text
  • https://silatur.com/js/ckfinder/userfiles/files/lewipunezux.pdfIn PDF document text
  • http://18554080.com/userfiles/file/nutokekijikemoporib.pdfIn PDF document text
  • http://snookerfootball.eu/wp-content/plugins/formcraft/file-upload/server/content/files/16130a41ea3764---meribeled.pdfIn PDF document text
  • http://everest-c.ru/ckfinder/userfiles/files/72298935421.pdfIn PDF document text
  • https://susta.vn/userfiles/file/19295209444.pdfIn PDF document text
  • 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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