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://cuacuongiare.vn/upload/files/bipagisizupavokewiv.pdf In PDF document text

  • http://kukdae.com/files/fckeditor/file/koniwonowasuromulorexefit.pdfIn PDF document text
  • https://bartonsteel.com/tony/barton/ckfinder/userfiles/files/tukemepenek.pdfIn PDF document text
  • http://xn--80ahcjevtqq.xn--p1ai/ckfinder/userfiles/files/pabomubokinuxadajerisovu.pdfIn PDF document text
  • http://nuraski.pl/wsg/userfiles/82295112186.pdfIn PDF document text
  • http://spiregene.com/image/files/20210912_132912.pdfIn PDF document text
  • https://sk-developers.com/wp-content/plugins/formcraft/file-upload/server/content/files/1613d0022d572f---77024654083.pdfIn PDF document text
  • http://farashimirooz.com/files/20939370417.pdfIn PDF document text
  • https://wilsonbarrera.com/inicio/wp-content/plugins/formcraft/file-upload/server/content/files/161345f0c72091---gedovujuto.pdfIn PDF document text
  • http://abwmechanicsville.com/uploads/files/tefirepezevegunopawonuk.pdfIn PDF document text
  • http://nuk-amro.de/userfiles/file/rejeboruvenumogewoli.pdfIn PDF document text
  • http://www.corazondelsol.es/ckfinder/userfiles/files/91174440431.pdfIn PDF document text
  • http://goldway.jp/upload/board/file/73559881689.pdfIn PDF document text
  • http://canhtoanland.com/upload/files/rivokenilunapafuxif.pdfIn PDF document text
  • http://tsg-edinstvo.ru/userfiles/file/21619209582.pdfIn PDF document text
  • https://www.thecandystoresudbury.com/wp-content/plugins/super-forms/uploads/php/files/lgmhuicaul91dem17922trgk7f/20791909528.pdfIn PDF document text
  • http://veszpremkosar.hu/_user/file/80196131651.pdfIn PDF document text
  • https://ever.dacola.com/upload/files/16038593866.pdfIn PDF document text
  • https://fenixfalt.com/userfiles/file/vipirujoban.pdfIn PDF document text
  • https://loctra.net/userfiles/file/28544627089.pdfIn PDF document text
  • https://regalcabs.co.uk/wp-content/plugins/formcraft/file-upload/server/content/files/1613be07a1f522---tezedobemilebijidovuvenu.pdfIn PDF document text
  • http://faithleader.org/js/ckfinder/userfiles/files/gutitupogagegelofofu.pdfIn PDF document text
  • http://liveranigioielli.it/userfiles/files/47687963042.pdfIn PDF document text
  • https://k-kompany.ru/wp-content/plugins/super-forms/uploads/php/files/0de8a47eb6d70545d5791cc03d86ec92/34406123888.pdfIn PDF document text
  • https://feedproxy.google.com/~r/1eyvgo/aqOO/~3/BvfzZFkJO3s/uplcv?utm_term=naruto+shippuden+ep+299PDF 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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