Malicious PDF — malware analysis report

Heuristics 6

• ClamAV: Pdf.Phishing.Trojan-d2528dad23a95d95-d2528dad23a95d95-10044376-0 critical CLAMAV_DETECTION
  ClamAV detected this file as malware: Pdf.Phishing.Trojan-d2528dad23a95d95-d2528dad23a95d95-10044376-0
• 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://brokenspoke.com/wp-content/plugins/super-forms/uploads/php/files/a8aae6e7496f4fc67e4ac7645fa4c0a5/dunibajurijirefi.pdf In PDF document text

  • http://usarsenal.it/userfiles/files/gitizakodimup.pdfIn PDF document text
  • http://www.fliesen-brill.de/wp-content/plugins/formcraft/file-upload/server/content/files/1608ca61d52b6e---8777789423.pdfIn PDF document text
  • http://jcon-aps.dk/userfiles/file/21713717655.pdfIn PDF document text
  • https://www.mobytec.com.br/mobytec/wp-content/plugins/formcraft/file-upload/server/content/files/16093cf6ac4c6d---86924772308.pdfIn PDF document text
  • https://veritiesinstitute.com/wp-content/plugins/super-forms/uploads/php/files/0f6af132d6682e7cb5281cfc8be02198/98362661268.pdfIn PDF document text
  • https://antoinepanau.com/wp-content/plugins/super-forms/uploads/php/files/4c8efca2b24bcc5d27f8719416c1a43e/zowogomatuvojesegatitivu.pdfIn PDF document text
  • http://amctop.com/board_data/editor_img/file/202105170045.pdfIn PDF document text
  • http://daegyung.kr/userfiles/file/20210710104951.pdfIn PDF document text
  • http://automotiveenergy.cz/userfiles/file/22453377402.pdfIn PDF document text
  • http://dobrejaja.com/Upload/file/vosafusutupasufo.pdfIn PDF document text
  • http://stl-hk.net/userfiles/57979639365.pdfIn PDF document text
  • https://zweiund40.com/wp-content/plugins/super-forms/uploads/php/files/ip9ofhd37ouolr5vk8c0u5sf0q/kodoferu.pdfIn PDF document text
  • https://ethnicacademy.com/userfiles/file/vodiwow.pdfIn PDF document text
  • https://camile.vn/wp-content/plugins/super-forms/uploads/php/files/6t49r2vbd9pvr0fjjb1scajaui/69453138831.pdfIn PDF document text
  • https://maidintown.co.uk/wp-content/plugins/super-forms/uploads/php/files/2d587b824d8cdfecc0aec8bd7c1bed0c/9859836883.pdfIn PDF document text
  • http://www.1000ena.com/wp-content/plugins/formcraft/file-upload/server/content/files/1609a314445e16---jowarikin.pdfIn PDF document text
  • https://bartonsteel.com/tony/barton/ckfinder/userfiles/files/dulexobidus.pdfIn PDF document text
  • http://bloemenwinkelindex.nl/images/uploads/jobewekewixidusumoj.pdfIn PDF document text
  • https://willmarareachamber.com/ckfinder/userfiles/files/gutunaroramomu.pdfIn PDF document text
  • https://www.ideakliniksisli.com/wp-content/plugins/formcraft/file-upload/server/content/files/160a567b705dda---70289107300.pdfIn PDF document text
  • http://lammensfilip.be/uploads/files/32704691717.pdfIn PDF document text
  • https://noks.cz/wp-content/plugins/formcraft/file-upload/server/content/files/16104a2289ea7c---86269347237.pdfIn PDF document text
  • http://vizcsap.hu/files/file/fabugarokojutil.pdfIn PDF document text
  • http://asesoriagarpe.com/wp-content/plugins/formcraft/file-upload/server/content/files/1606f457da6d31---69011426044.pdfIn PDF document text
  • https://feedproxy.google.com/~r/Uplcv/~3/Om9ozkHLxGw/uplcv?utm_term=call+of+duty+mobile+hack+mod+apk+unlimited+money+2021PDF 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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