Malicious PDF — malware analysis report

Heuristics 8

• ClamAV: Pdf.Phishing.Trojan-d2568dad23a94d95-d2568dad23a94d95-10044375-0 critical CLAMAV_DETECTION
  ClamAV detected this file as malware: Pdf.Phishing.Trojan-d2568dad23a94d95-d2568dad23a94d95-10044375-0
• Fake CAPTCHA / human verification prompt high SE_FAKE_CAPTCHA
  Document displays a fake CAPTCHA or human-verification prompt — used to trick users into running commands or pressing keyboard shortcuts
• 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://smidgel.ru/uplcv?utm_term=code+robux+free PDF link annotation

  • https://on-call-anatomist.org/ckfinder/userfiles/files/66296005653.pdfIn PDF document text
  • http://alliance-ic.ru/uploads/file/luvalikoluzusa.pdfIn PDF document text
  • https://kcharp.com/ckfinder/userfiles/files/zijudapatujaneretinanobuw.pdfIn PDF document text
  • http://spellenindex.nl/images/uploads/ginevojivirawutaxoj.pdfIn PDF document text
  • https://clickbox.ro/images/file/zikepegipuku.pdfIn PDF document text
  • http://rbtyutj01.com/userfiles/files/18961361024.pdfIn PDF document text
  • http://www.shipsupply.co.mz/wp-content/plugins/formcraft/file-upload/server/content/files/1613684f0380f1---21804222670.pdfIn PDF document text
  • https://divanich96.ru/admin/ckfinder/userfiles/files/zobaliligejevedujena.pdfIn PDF document text
  • http://oletrans.sk/editor_uploads/files/gowusiwariw.pdfIn PDF document text
  • https://www.artikel238.nl/emmwebbit/resources/ckfinder/userfiles/files/20357041014.pdfIn PDF document text
  • http://group-anons.ru/userfiles/files/xazoxukinisosofunudibate.pdfIn PDF document text
  • https://hmv.ir/wp-content/plugins/formcraft/file-upload/server/content/files/1613f8da87ff8d---48961549429.pdfIn PDF document text
  • http://optimumnieruchomosci.pl/uploads/userfiles/files/jozojataregabolabolupoxu.pdfIn PDF document text
  • http://stalmont.eu/userfiles/file/22810504536.pdfIn PDF document text
  • http://rlponder.com/customer/3/d/9/3d947ad6ce2568d98b832ccf5548371bFile/29995188526.pdfIn PDF document text
  • http://arucax.am/user_images/file/nusowizazobodaravazip.pdfIn PDF document text
  • https://zhavezbozi.cz/data/file/vasujevupe.pdfIn PDF document text
  • https://webdatedepot.com/userfiles/file/75577788232.pdfIn PDF document text
  • http://osullivanspressurewashing.com/wp-content/plugins/formcraft/file-upload/server/content/files/1613b91baad6de---zusilexosetomelubudujuk.pdfIn PDF document text
  • http://qlionshousing.ca/userfiles/file/ziwivitoguge.pdfIn PDF document text
  • https://homeuu.biz/upload/ckeditor/pages/files/rizolig.pdfIn PDF document text
  • https://www.eos.org.eg/ckfinder/userfiles/files/94552885300.pdfIn PDF document text
  • http://eldmsh1.ru/js/ckfinder/userfiles/files/80393828481.pdfIn PDF document text
  • http://metamorfoza-krosno.pl/userfiles/file/kegezojodiremekojusufuvo.pdfIn PDF document text
  • http://max-metal.pl/gfx/file/lofawozexizilefojisu.pdfIn PDF document text
  • https://ateneoarbonaida.com/wp-content/plugins/formcraft/file-upload/server/content/files/1612f0c9996d69---77815601633.pdfIn PDF document text
  • http://nbkhjc.com/uploads/202109/file/210903155437386019g3cw7g6mudjz.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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