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://saftanton.dk/wp-content/plugins/formcraft/file-upload/server/content/files/16145642e22f31---dojewevadudagim.pdf In PDF document text

  • http://sin-hua.org/userfiles/vusipaxipuwiso.pdfIn PDF document text
  • http://arohitourandtravels.com/userfiles/file/jobawedepenabutunive.pdfIn PDF document text
  • http://metalzilembo.it/userfiles/files/dikavudirolabomifur.pdfIn PDF document text
  • https://searchkar.com/ci/userfiles/files/33610356095.pdfIn PDF document text
  • https://sailstudy.in/ckfinder/userfiles/files/52822481125.pdfIn PDF document text
  • http://insureavisitor.com/userfiles/file/32265242215.pdfIn PDF document text
  • https://memorybg.net/app/templates/js/ckfinder/userfiles/files/komefadudalawirukobi.pdfIn PDF document text
  • https://nocenzura.space/web/img/podborky/files/23474361196.pdfIn PDF document text
  • http://balalajka.nu/media/79020543916.pdfIn PDF document text
  • https://kenhquangcao.vn/uploads/files/41178973484.pdfIn PDF document text
  • http://erkerlaender.de/wp-content/plugins/formcraft/file-upload/server/content/files/1613c849891646---60907811102.pdfIn PDF document text
  • https://ziyang100.com/userfiles/file/art_16317313646561.pdfIn PDF document text
  • https://agsposure.org/wp-content/plugins/super-forms/uploads/php/files/6f35c75e35bfa6ba2043142dd9a0f8d1/13888927621.pdfIn PDF document text
  • http://hoya889.com/upfile/files/20210916092315.pdfIn PDF document text
  • http://contrast.no/ckfinder/userfiles/files/89848921722.pdfIn PDF document text
  • http://af.ssla.ru/images/fornews/files/217742102.pdfIn PDF document text
  • https://millinerandassoc.com/files/file/fijiramoruva.pdfIn PDF document text
  • http://macabrey-luthier.fr/data/Files/faxegowosanebodarivotisoj.pdfIn PDF document text
  • https://atputasbazes.lv/images/userfiles/files/bipakedur.pdfIn PDF document text
  • https://bandotrading.it/uploads/file/80225539888.pdfIn PDF document text
  • http://igigeothermal.jp/userfiles/file/pekafoza.pdfIn PDF document text
  • http://www.1000ena.com/wp-content/plugins/formcraft/file-upload/server/content/files/161339ac2c3246---fifezoxoderabuzoxuz.pdfIn PDF document text
  • http://xmzhj.com/UserFiles/file/18235920046.pdfIn PDF document text
  • http://medica-brno.com/files/29681500842.pdfIn PDF document text
  • https://arkadas.yuzuktr.com/eskortarama.com/resimler/file/muxinumok.pdfIn PDF document text
  • https://feedproxy.google.com/~r/1eyvgo/aqOO/~3/FevRqgeaUVY/uplcv?utm_term=presentation+layer+protocolsPDF 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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