Malicious PDF — malware analysis report

Heuristics 6

• 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.
• 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://krisoc.ru/uplcv?utm_term=fundamentals+of+engineering+economics+third+edition+pdf PDF link annotation

  • https://www.pal-kont.hu/wp-content/plugins/super-forms/uploads/php/files/80488083882ce614b3134ff9afd833b2/fexurawatixilejadaledupop.pdfIn PDF document text
  • http://harlit.com/upfiles/file/wejadejusakujazopi.pdfIn PDF document text
  • http://files.ibiza-ferien.de/file/81859308608.pdfIn PDF document text
  • https://dedywiredja.com/wp-content/plugins/formcraft/file-upload/server/content/files/160b73507affba---36965097781.pdfIn PDF document text
  • https://www.ferienhof-schneider.de/wp-content/plugins/formcraft/file-upload/server/content/files/1608e09d403694---38720676942.pdfIn PDF document text
  • http://dichvugiayphep.net/hinhanh_fckeditor/file/47909370986.pdfIn PDF document text
  • http://hesexpo.com/img/editor/image/file/kudazetemubitite.pdfIn PDF document text
  • https://yziact.fr/wp-content/plugins/super-forms/uploads/php/files/6h4pus8549k0bj2hrs7qe64chs/dugeti.pdfIn PDF document text
  • http://www.telsercom.com/wp-content/plugins/formcraft/file-upload/server/content/files/160711bb8c3db4---73027720014.pdfIn PDF document text
  • http://ceroki.com/image/files/zoxixezovazasuzapoze.pdfIn PDF document text
  • https://okazionche.com/files/wulul.pdfIn PDF document text
  • http://daisytalavera.com/userfiles/files/33189508296.pdfIn PDF document text
  • https://daluxerealty.com/wp-content/plugins/super-forms/uploads/php/files/595f8ba8c0aaeddf779037da091dd85f/kadusakagotejo.pdfIn PDF document text
  • http://pobierzplik.pl/uploads/files/26901577755.pdfIn PDF document text
  • http://parkhigh65.com/clients/4970/File/15175139234.pdfIn PDF document text
  • https://profbuhotchet.ru/wp-content/plugins/super-forms/uploads/php/files/215c4e80c7a449ecb72b72be63169558/25774951510.pdfIn PDF document text
  • https://umiyawoodworks.com/fckdb/userfiles/file/64463255031.pdfIn PDF document text
  • http://tfh-filter.hu/_user/file/16409007453.pdfIn PDF document text
  • http://jongauger.com/ckfinder/userfiles/files/parodifajonamukex.pdfIn PDF document text
  • http://mountmedpharmacy.co.za/wp-content/plugins/formcraft/file-upload/server/content/files/160bc5951c32db---muwala.pdfIn PDF document text
  • http://morethancars.nl/uploads/edytor/file/mefosesutabiru.pdfIn PDF document text
  • https://kalatranslation.co.uk/wp-content/plugins/super-forms/uploads/php/files/djlrt21cjvenclocdgbss5g9i1/33553033163.pdfIn PDF document text
  • http://urdu-hadith.com/survey/userfiles/files/zemivisexaso.pdfIn PDF document text
  • https://areshin.ru/wp-content/plugins/super-forms/uploads/php/files/f77e51d1943c17df22ebba900e266a39/bofabazexunusomute.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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