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://queure.ru/uplcv?utm_term=hazari+gold+with+nine+cards+offline+free+download PDF link annotation

  • https://best-turbos.com/wp-content/plugins/super-forms/uploads/php/files/c83e01ec7f5795fbf882a8f57dad888b/50084024797.pdfIn PDF document text
  • http://vegman-kzn.com/ckfinder/userfiles/files/34032389387.pdfIn PDF document text
  • http://hkacca.com/userfiles/dasat.pdfIn PDF document text
  • http://cnsgawefgl.netsociality.com/upload/files/tutulebenemusedabidaka.pdfIn PDF document text
  • http://gocep.org/data/userfiles/files/96216785007.pdfIn PDF document text
  • http://tpdw.pl/userfiles/file/97332564908.pdfIn PDF document text
  • http://fanghsin.com/uploads/files/202109011211075299.pdfIn PDF document text
  • http://miroslaws.com/ckfinder/userfiles/files/29355217643.pdfIn PDF document text
  • http://guides2alpes.org/uploads/file/bagirenizigotozokapek.pdfIn PDF document text
  • http://www.tobywells.org/media/fckdir/file/sotelomovukafumabupu.pdfIn PDF document text
  • https://madspot.dk/ckfinder/userfiles/files/78413390727.pdfIn PDF document text
  • http://witnesstherealist.com/wp-content/plugins/super-forms/uploads/php/files/0543e81c3e63471ccb388bc4bad91e5d/sewuxotekim.pdfIn PDF document text
  • http://recamonde.com.br/wp-content/plugins/formcraft/file-upload/server/content/files/1613536fbf3de9---36586435495.pdfIn PDF document text
  • http://konferencii.org/web/uploads/assets/file/73297624030.pdfIn PDF document text
  • https://djecijagarderoba.me/userfiles/file/58868320608.pdfIn PDF document text
  • http://anchor-m.com/js/upload/files/51949641936.pdfIn PDF document text
  • http://anhhieu.vn/hinhanh/file/4839362657.pdfIn PDF document text
  • http://champaigncursillo.com/userfiles/file/wipofebuvejajikametulapi.pdfIn PDF document text
  • http://wonikqnc.com/upload/editor/file/1630785804.pdfIn PDF document text
  • https://realimpacto.com.br/wp-content/plugins/formcraft/file-upload/server/content/files/16134ffd77a7a7---9535701361.pdfIn PDF document text
  • http://s2ipower.com/survey/userfiles/files/sifirired.pdfIn PDF document text
  • https://buka.ru/sadm_files/32218534978.pdfIn PDF document text
  • http://e3edu.vn/public/ckfinder/core/connector/php/connector.phppublic/uploadsfiles/33043550710.pdfIn PDF document text
  • http://griesvoegwerken.nl/UserFiles/file/299752903.pdfIn PDF document text
  • http://linza-market.ru/upload/files/39866263841.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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