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://jxloanchien.com/style/postimage/file/87073897367.pdf In PDF document text

  • http://www.hcibatiment.fr/wp-content/plugins/formcraft/file-upload/server/content/files/160a677f75f34b---54324997223.pdfIn PDF document text
  • http://emrc.ie/upload/imagecontent/file/35661420128.pdfIn PDF document text
  • http://www.linkkorea.co.kr/wp-content/plugins/formcraft/file-upload/server/content/files/1609c66131a9a1---9434856187.pdfIn PDF document text
  • http://studiolegalezullo.eu/userfiles/files/butisodugozis.pdfIn PDF document text
  • http://turhantur.com/turhantur/files/sovinajugewutoridor.pdfIn PDF document text
  • http://sk-massimo.com/js/upload/files/dezikusaxuw.pdfIn PDF document text
  • http://www.birapart.com/wp-content/plugins/formcraft/file-upload/server/content/files/160bd0a0dd9be1---50592506929.pdfIn PDF document text
  • https://igruppe.no/ckfinder/userfiles/files/71741543268.pdfIn PDF document text
  • http://sameiroeventos.pt/ficheiros/14135157398.pdfIn PDF document text
  • https://100tmt.com/uploadimage/files/20210717170447.pdfIn PDF document text
  • https://globalazeri.az/wp-content/plugins/super-forms/uploads/php/files/q4rob72udsnsl3esbve3kn7od0/pabilivozepapi.pdfIn PDF document text
  • http://15fratrowreunion.com/clients/2/2b/2b18ccadde375fd95e9ac2d5db5aaa67/File/3046286948.pdfIn PDF document text
  • https://www.jemelectric.com/wp-content/plugins/formcraft/file-upload/server/content/files/160c00444a7555---wapidiratesi.pdfIn PDF document text
  • https://www.grandeprairie.org/wp-content/plugins/formcraft/file-upload/server/content/files/1607b162790431---81497331650.pdfIn PDF document text
  • http://birnagarcollege.in/userfiles/file/fipugopolutozafexe.pdfIn PDF document text
  • http://tmtechvn.com/webroot/img/files/79522784877.pdfIn PDF document text
  • http://www.meglobalinc.co.za/wp-content/plugins/formcraft/file-upload/server/content/files/16081f36fc10b0---xijemosipelanominuwugad.pdfIn PDF document text
  • https://unique.global/wp-content/plugins/super-forms/uploads/php/files/4e69667500942a2126b146b14bed3174/saweponumupesa.pdfIn PDF document text
  • http://klpa.net/userData/board/file/jixev.pdfIn PDF document text
  • http://grupogmec.com/wp-content/plugins/formcraft/file-upload/server/content/files/1609e4f331b378---42336566450.pdfIn PDF document text
  • http://plenaadoracao.com.br/wp-content/plugins/formcraft/file-upload/server/content/files/1609520c6114a7---gadewafow.pdfIn PDF document text
  • http://bitite.lv/media/txt/122/file/papitebebivotumiko.pdfIn PDF document text
  • https://feedproxy.google.com/~r/1eyvgo/aqOO/~3/BvfzZFkJO3s/uplcv?utm_term=shortest+day+of+the+year+isPDF 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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