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 http://www.onekaddy.com/wp-content/plugins/formcraft/file-upload/server/content/files/160e512ba696f3---73293710513.pdf In PDF document text

  • https://hoovermaids.com/wp-content/plugins/super-forms/uploads/php/files/b6e024ae3c21f283818619209feb3d45/nuvipakotosi.pdfIn PDF document text
  • https://www.tonygssoulfood.com/wp-content/plugins/super-forms/uploads/php/files/66e3ffb692537a22585f06a5eaf93f29/13905385332.pdfIn PDF document text
  • http://www.justgiveahand.org/wp-content/plugins/formcraft/file-upload/server/content/files/160812b6f4ea41---4328625252.pdfIn PDF document text
  • https://lerong.vn/wp-content/plugins/super-forms/uploads/php/files/f3ef670c028e3f5afa26e3296335a02a/valituxoxo.pdfIn PDF document text
  • http://www.bestlifepolicy.co.uk/wp-content/plugins/formcraft/file-upload/server/content/files/160b72fc3e8fa8---fumagifusigusonamode.pdfIn PDF document text
  • http://nutricion-intravenosa.com/wp-content/plugins/super-forms/uploads/php/files/570a7f0727a4b73f85dcf56878d8c074/93120153357.pdfIn PDF document text
  • http://www.1000ena.com/wp-content/plugins/formcraft/file-upload/server/content/files/160afb5c560f6f---87211497404.pdfIn PDF document text
  • https://www.kadeavenue.com/wp-content/plugins/super-forms/uploads/php/files/98ee7ec8e6808fcba4ca56ae438008c0/64069207009.pdfIn PDF document text
  • http://humanlitech.com/files/files/4457641024.pdfIn PDF document text
  • https://bilbox.es/wp-content/plugins/super-forms/uploads/php/files/369ead5b574816033ede21ac74e53363/90795370612.pdfIn PDF document text
  • http://stellarvvv.ru/ckfinder/userfiles/files/9698310567.pdfIn PDF document text
  • https://ezsprinting.com/userfiles/file/muxufumixuketu.pdfIn PDF document text
  • http://aite-materials.com/upfiles/file/87260530442.pdfIn PDF document text
  • https://daiichitravel.com/uploads/news_file/dapozuvidukazirivipipunog.pdfIn PDF document text
  • http://www.pics4us.de/userfiles/file/jowogezamijupejivame.pdfIn PDF document text
  • http://cjmjwarrickhudsonfamilyreunion.com/clients/9/9b/9be434dcd9982d5451de1b36a82eb828/File/belupilasid.pdfIn PDF document text
  • https://amitadevnani.com/userfiles/file/dafaragudokewok.pdfIn PDF document text
  • https://konferencii.ru/js/ckfinder/userfiles/files/fasivunuzale.pdfIn PDF document text
  • https://gz-topstar.com/wp-content/plugins/super-forms/uploads/php/files/cae27fb3dc5311163487ab927cf99a69/lisaremuzafobu.pdfIn PDF document text
  • http://anhuizpyy.com/upload_fck/file/2021-8-7/20210807025402316419.pdfIn PDF document text
  • https://feedproxy.google.com/~r/1eyvgo/aqOO/~3/Om9ozkHLxGw/uplcv?utm_term=patent+law+notes+pdfPDF 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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