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
• 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://ketchas.ru/uplcv?utm_term=inf+robux+apk PDF link annotation

  • http://sujitonweb.com/userfiles/files/galubot.pdfIn PDF document text
  • https://www.mercato.co.za/wp-content/plugins/formcraft/file-upload/server/content/files/1613142ee8078b---zagunaluvagumivopipeb.pdfIn PDF document text
  • http://usmleworkout.com/files/file/31456019681.pdfIn PDF document text
  • https://insights3.com/wp-content/plugins/super-forms/uploads/php/files/0abc9f2e65bd7b25c86a5a8d525d590a/15704899770.pdfIn PDF document text
  • http://hyeminshop.com/DATA/files/selolojuvilaxiwobuwiwupo.pdfIn PDF document text
  • https://g4m3s-4p1-12s1.com/contents/files/wuzivitawe.pdfIn PDF document text
  • http://matras-devison.com/upload/file/taxeguvezefevabowewadun.pdfIn PDF document text
  • http://xfswchem.com/upload/files/gasamuwusanuwimiwug.pdfIn PDF document text
  • https://cncostruzioni.com/userfiles/file/noguta.pdfIn PDF document text
  • http://roosprommenschenckelfoundation.nl/userfiles/file/52145640177.pdfIn PDF document text
  • http://thomas-zigon.de/images/file/podezatitidufizepagapabe.pdfIn PDF document text
  • http://tufaghanafc.com/js/ckfinder/userfiles/files/nabasazukadodevosunazeju.pdfIn PDF document text
  • http://hebammenglueck.de/ckfinder/userfiles/files/83728351980.pdfIn PDF document text
  • http://paulgraphics.paulsfashion.in/files/86396767690.pdfIn PDF document text
  • http://enidental.com/userfiles/file/20210908071117.pdfIn PDF document text
  • http://dainichiji.com/upload_ckr/files/mevakuv.pdfIn PDF document text
  • http://moristas.com/userfiles/files/43982405764.pdfIn PDF document text
  • https://areshin.ru/wp-content/plugins/super-forms/uploads/php/files/3be20a798e21be378bdedd31e0ebd5d8/31249782776.pdfIn PDF document text
  • http://atol-res.pl/uploads/file/sevigofuvutidosovobadozuj.pdfIn PDF document text
  • http://purel-biopharm.com/upload/files/89865512637.pdfIn PDF document text
  • https://www.nobleorthodontic.com/wp-content/plugins/super-forms/uploads/php/files/f5d482c1c63c61076a753911239eeee1/7463786696.pdfIn PDF document text
  • https://balajitutorial.com/admin/userfiles/file/25984056070.pdfIn PDF document text
  • http://gyarmatilovastorna.hu/userfiles/file/93829263531.pdfIn PDF document text
  • http://mibenjamin.com/userfiles/file/nekizebe.pdfIn PDF document text
  • http://stapper.de/sites/default/files/userfilesfile/5982549430.pdfIn PDF document text
  • https://bcm.es/files/galeria/files/nademekuxovugepeziwaras.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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