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://queure.ru/uplcv?utm_term=exercice+de+rem%C3%A9diation+svt+2nde PDF link annotation

  • https://yennenga.org/business_school/uploads/file/8912942374.pdfIn PDF document text
  • http://nextgt.eu/uploads/file/mazalufuxexixebifanisepe.pdfIn PDF document text
  • https://www.potterycommercials.co.uk/wp-content/plugins/formcraft/file-upload/server/content/files/160996efc1be8a---46762486054.pdfIn PDF document text
  • https://oknoplus-omsk.ru/wp-content/plugins/super-forms/uploads/php/files/03de7a7065d1d0dd0348b0bda016ae39/38538372998.pdfIn PDF document text
  • http://cachnhietcacham.vn/Images_upload/files/78309478979.pdfIn PDF document text
  • http://saludocupacionalpso.com/home/wp-content/plugins/formcraft/file-upload/server/content/files/160ed96fbee6e8---filelorifu.pdfIn PDF document text
  • https://defaico.com/d/files/kumexezivifaxixupasegu.pdfIn PDF document text
  • http://salocchi.it/userfiles/files/jugakoneve.pdfIn PDF document text
  • https://www.brunosistemi.com/wp-content/plugins/formcraft/file-upload/server/content/files/160918d3c3d596---neporexol.pdfIn PDF document text
  • https://luxurytravel-show.com/wp-content/plugins/super-forms/uploads/php/files/be340365cac2586152efcbe11da731cf/28409067441.pdfIn PDF document text
  • http://securitydirect.it/wp-content/plugins/super-forms/uploads/php/files/c72a5f79e54a24b86ddc4a2312ff393c/53981476711.pdfIn PDF document text
  • https://stgeorgedentalcare.in/ckfinder/userfiles/files/12932213377.pdfIn PDF document text
  • http://cinstech-inspect-survey.com/fckeditor_userfiles/file/25178105347.pdfIn PDF document text
  • http://tmacfashion.com/ckfinder/userfiles/files/38648415201.pdfIn PDF document text
  • http://stihoplet.by/upload/editor/files/709447790.pdfIn PDF document text
  • http://agcslohian.com/userfiles/file/24808399984.pdfIn PDF document text
  • http://fecirturizm.com/resimler/files/pabofujiwekufibogi.pdfIn PDF document text
  • https://adm.allianceflooring.net/wp-content/plugins/super-forms/uploads/php/files/be875ec342442ab51603dad85ccbd949/64708482035.pdfIn PDF document text
  • http://polskienarty.pl/data/aktualnosci_imgs/file/renuzaxorofob.pdfIn PDF document text
  • http://richmediahouse.com/admin/uploads/file/fijogojutuxamutivikubo.pdfIn PDF document text
  • https://www.stnedu.com/ckfinder/upload/files/19325119070.pdfIn PDF document text
  • https://nhaban24h.com.vn/wp-content/plugins/super-forms/uploads/php/files/7s6i1lc8lficpss7dpvag3ns54/dozuzanosijenabiter.pdfIn PDF document text
  • https://benchmarktransitions.com/wp-content/plugins/formcraft/file-upload/server/content/files/16082fd576337b---somanoselizutaribururap.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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