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
• Password-protected archive handoff high SE_PASSWORD_ARCHIVE_LURE
  Document gives password instructions for an archive or attachment — often used to keep payloads encrypted until after gateway scanning
• 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=put+pdf+file+online PDF link annotation

  • https://afmiletisim.com/resimler/files/bujefirajetugapip.pdfIn PDF document text
  • https://godparents4tz.org/home/god/public_html/ckfinder/userfiles/files/94910699767.pdfIn PDF document text
  • http://donationwebsites.com/clients/6/68/68901b9e08e997a22fc64c74502b39ca/File/47990066504.pdfIn PDF document text
  • https://big-affaires.com/img/pics/files/wavujajusafifexobosed.pdfIn PDF document text
  • https://scavilecis.it/userfiles/file/fojojowidusewipew.pdfIn PDF document text
  • https://groupunsur4.com/contents//files/zozoladiwi.pdfIn PDF document text
  • https://kontiko.com/ktkweb3/images/upload/files/80828006678.pdfIn PDF document text
  • https://www.physioaktivkramer.de/wp-content/plugins/formcraft/file-upload/server/content/files/1611f1f4400703---52893453867.pdfIn PDF document text
  • http://icsbc.ru/fuploader//file/86387539674.pdfIn PDF document text
  • http://www.assignproject.com/wp-content/plugins/formcraft/file-upload/server/content/files/1608b5680c88d5---wumixipisaxuv.pdfIn PDF document text
  • http://domoticasociale.it/immaginiNewsletter/file/58343945842.pdfIn PDF document text
  • https://loyallcanada.com/editor_files/file/rewiteze.pdfIn PDF document text
  • http://nineslash.com/user_file/file/30485137395.pdfIn PDF document text
  • https://tl-systems.hu/files/files/jogimelimedejiterekitekem.pdfIn PDF document text
  • https://sodigital.it/wp-content/plugins/formcraft/file-upload/server/content/files/161180f13bd7bc---2934462350.pdfIn PDF document text
  • http://rm-centr.ru/uploads/file/78843271067.pdfIn PDF document text
  • http://ptk-astana.kz/wp-content/plugins/super-forms/uploads/php/files/1ae4f5a69b64938be95570be8f0944bd/patubowiwamegurozovav.pdfIn PDF document text
  • https://cruiseship.cruises/wp-content/plugins/super-forms/uploads/php/files/m446jtaeuothq5bqi0dn3e1v5s/navuw.pdfIn PDF document text
  • http://reiki-roots.co.uk/wp-content/plugins/formcraft/file-upload/server/content/files/16116b38d99753---62320714602.pdfIn PDF document text
  • http://mulherinscampground.com/clients/879992/File/vemefanajatezomutuvexewu.pdfIn PDF document text
  • http://abwmountvernon.com/uploads/files/noxiwafixi.pdfIn PDF document text
  • http://dailyxedayhang.com/userfiles/files/57789546060.pdfIn PDF document text
  • https://meritumptt.pl/dokumenty/file/82864454145.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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