Malicious PDF — malware analysis report

Heuristics 7

• 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.
• Embedded JS stream low PDF_JS
  PDF references a /JS stream. Generic JavaScript is common in benign forms; specific dangerous APIs are scored by separate rules.
• 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://www.northernillumination.com/wp-content/plugins/super-forms/uploads/php/files/b859ee003fe4bbae75da5bce61596839/37527173700.pdf In PDF document text

  • http://saokienviet.com/uploads/image/files/fotepoposugunew.pdfIn PDF document text
  • http://apcmagon.com/userfiles/42787991859.pdfIn PDF document text
  • http://geology.ie/wp-content/plugins/formcraft/file-upload/server/content/files/16074c28b7c013---fajawejudu.pdfIn PDF document text
  • https://akdenizokullari.k12.tr/wp-content/plugins/super-forms/uploads/php/files/1o1b30bo3k1n73b5g6a02q287j/suruxebo.pdfIn PDF document text
  • http://davidhammerstein.org/userfiles/file/rufor.pdfIn PDF document text
  • https://northstarexecutivesearch.com/wp-content/plugins/super-forms/uploads/php/files/0e4a35e48fb9e19fe7f63575c8f5685c/napuxarowiroti.pdfIn PDF document text
  • https://olivierdaulte.com/ckfinder/userfiles/files/pegotofegisamotonalu.pdfIn PDF document text
  • https://inclinedigital.com/wp-content/plugins/formcraft/file-upload/server/content/files/1607c2428aa0b0---36963198738.pdfIn PDF document text
  • http://www.icodar.com/wp-content/plugins/formcraft/file-upload/server/content/files/160a2b95bc5616---37803761444.pdfIn PDF document text
  • http://ekolojikweb.net/upld/userfiles/file/52238044076.pdfIn PDF document text
  • https://eliteswimmingpoolsinc.com/wp-content/plugins/super-forms/uploads/php/files/k456lkvrii2nknp337m74p7jm7/2331255734.pdfIn PDF document text
  • http://kamerton.nl/clientfiles/56743283980.pdfIn PDF document text
  • https://condicionamentofisico.com/arquivos/file/sexubef.pdfIn PDF document text
  • http://conservativista.com/js/ckfinder/userfiles/files/45836916333.pdfIn PDF document text
  • https://hondaotohaiphong.vn/upload/files/mitozutujilixapi.pdfIn PDF document text
  • https://chocoinmobiliario.com/wp-content/plugins/super-forms/uploads/php/files/6575cf2be0d3b280e54878031ae6d9a8/gikogetigeniromized.pdfIn PDF document text
  • https://aonetreks.com/uploads/file/folowozusuxinawigu.pdfIn PDF document text
  • https://ilc.ua/wp-content/plugins/super-forms/uploads/php/files/3g037tfstgtjhps3fhnr3dmsq0/27835332894.pdfIn PDF document text
  • https://balajihighfields.in/userfiles/file/lunawolixe.pdfIn PDF document text
  • http://herium.net/FileData/ckfinder/files/20210730_4EAC89781F735E44.pdfIn PDF document text
  • https://xpress2.eu/ckfinder/userfiles/files/75953149599.pdfIn PDF document text
  • http://yer-krasnodar.ru/ckfinder/userfiles/files/24850074415.pdfIn PDF document text
  • http://www.hangmandigital.com/files/file/79606953499.pdfIn PDF document text
  • https://feedproxy.google.com/~r/Uplcv/~3/DOqCt-cVA4I/uplcv?utm_term=reconstruction+after+the+civil+warPDF 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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