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.
• Visual download / call-to-action button lure low SE_DOWNLOAD_BUTTON
  Document contains a call-to-action phrase ('Click here to download', 'Download Now', etc.) — low-signal unless other findings point to a malicious workflow
• 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://oniceh.ru/uplcv?utm_term=analog+fundamentals+a+systems+approach+answers PDF link annotation

  • https://fmpride.com/wp-content/plugins/super-forms/uploads/php/files/1d30a503d14815e7d48399b076229d7a/2901676145.pdfIn PDF document text
  • http://www.farparts.cl/wp-content/plugins/formcraft/file-upload/server/content/files/160d1e398677b4---mogejilu.pdfIn PDF document text
  • http://e-skala.pl/userfiles/file/8168569660.pdfIn PDF document text
  • http://www.ibadirect.com/wp-content/plugins/formcraft/file-upload/server/content/files/160bcaec86648a---8423911582.pdfIn PDF document text
  • http://www.commandinglife.com/wp-content/plugins/formcraft/file-upload/server/content/files/1607df30ee8c41---32269541711.pdfIn PDF document text
  • https://loctra.net/userfiles/file/favofel.pdfIn PDF document text
  • http://bannails.com/fckeditor_userfiles/file/69335286675.pdfIn PDF document text
  • http://www.rlktechniek.nl/wp-content/plugins/formcraft/file-upload/server/content/files/160765fb06d9c7---bujozemavufazaduwe.pdfIn PDF document text
  • http://vdadanang.vn/app/webroot/assets/files/ropabitupuxubesu.pdfIn PDF document text
  • http://www.siscard.com/wp-content/plugins/formcraft/file-upload/server/content/files/160795565a0d05---28972444350.pdfIn PDF document text
  • https://www.medicalart.com.tr/wp-content/plugins/formcraft/file-upload/server/content/files/160c6926c6b7d4---6443384188.pdfIn PDF document text
  • http://ekotop.eu/userfiles/file/negiwugusaxenok.pdfIn PDF document text
  • https://hopefor.today/wp-content/plugins/super-forms/uploads/php/files/029c8cede10fcd0b7729a75251b3bb8c/91583336703.pdfIn PDF document text
  • https://bahceneryaman.net/public/content-images/files/gimis.pdfIn PDF document text
  • http://amd-export.com/site/upload/file/3129327700.pdfIn PDF document text
  • https://betonwerkendejonge.nl/wp-content/plugins/formcraft/file-upload/server/content/files/160c5016bc7455---30231639224.pdfIn PDF document text
  • http://ray-king67reunion.com/clients/41562/File/wuzarugudonufepok.pdfIn PDF document text
  • http://ne-moloko.ee/wp-content/plugins/super-forms/uploads/php/files/aac614edbe91f90d38f9eacdaa60bafa/29013728984.pdfIn PDF document text
  • http://www.telsercom.com/wp-content/plugins/formcraft/file-upload/server/content/files/160842ca47ee6b---pituj.pdfIn PDF document text
  • https://coil.hk/upload/files/9682455545.pdfIn PDF document text
  • https://www.audifonosdoshoydos.com/wp-content/plugins/formcraft/file-upload/server/content/files/160d0c435e267e---vokopuzuletamek.pdfIn PDF document text
  • http://ztkammer.at/uploads/file/23877729699.pdfIn PDF document text
  • https://lcd96.ru/wp-content/plugins/super-forms/uploads/php/files/93568e4db9b1d8ff8e73a8640f66043f/zemujilujutetusivazemabe.pdfIn PDF document text
  • http://gtshotel.it/images/file/nesupofemugawiwigav.pdfIn PDF document text
  • https://eurouniversal.eu/ckfinder/userfiles/files/15144867274.pdfIn PDF document text
  • http://anhuifan.com/upload_fck/file/2021-5-15/20210515205205324019.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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