Malicious PDF — malware analysis report

Heuristics 8

• 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.
• Urgency / deadline lure low SE_URGENCY_LURE
  Document contains urgency or deadline language ('account will be terminated', 'action required within 24 hours', etc.) — useful context, but low-signal without other findings
• Fake invoice / payment lure low SE_INVOICE_LURE
  Document contains invoice or payment language paired with an action verb — useful context when combined with link, macro, or attachment indicators
• 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=tax+calculator+excise PDF link annotation

  • https://www.americansummercamps.com/wp-content/plugins/formcraft/file-upload/server/content/files/1607378c477f61---taxifanoxidasizur.pdfIn PDF document text
  • http://studioguidobarbieri.it/userfiles/files/novetowibitufabido.pdfIn PDF document text
  • http://hrt-foto.hu/_user/file/46186339007.pdfIn PDF document text
  • https://www.ideaklinik.com/wp-content/plugins/formcraft/file-upload/server/content/files/16081bc4b529d1---bidixejirim.pdfIn PDF document text
  • http://aeskulap24h.de/wp-content/plugins/formcraft/file-upload/server/content/files/16094993826d09---vebuxeveragaliwubasesunil.pdfIn PDF document text
  • https://www.bevillelecomte.ovh/ckfinder/userfiles/files/vafuxiret.pdfIn PDF document text
  • https://amezdigital.com/wp-content/plugins/super-forms/uploads/php/files/b4f26c588d3e033fc32cd359fdae40c3/76849310771.pdfIn PDF document text
  • http://admio.ru/wp-content/plugins/formcraft/file-upload/server/content/files/160a4f0cfb8743---rubosudapomipimig.pdfIn PDF document text
  • https://allianceflooring.net/wp-content/plugins/super-forms/uploads/php/files/1294b422ff845cda079631f53123ac3a/soderikasikebujomilaloti.pdfIn PDF document text
  • http://ed-web.cz/userfilesfile/58152006384.pdfIn PDF document text
  • https://quatden.vn/webroot/img/files/54033623552.pdfIn PDF document text
  • https://mma-montessori.com/admin/ckfinder/userfiles/files/vebed.pdfIn PDF document text
  • http://topenglish.sk/app/webroot/gallery/files/47517313571.pdfIn PDF document text
  • http://belgium-ex.com/images/blog/file/baduwixubasidepiw.pdfIn PDF document text
  • http://35ct1.com/images/ckImageFiles/files/wogeluxapoler.pdfIn PDF document text
  • http://tms-technology.com/ckfinder/userfiles/files/85191703682.pdfIn PDF document text
  • http://sheilahancock.net/blogfck/file/mebari.pdfIn PDF document text
  • http://www.stockholmswingallstars.com/wp-content/plugins/formcraft/file-upload/server/content/files/1606d0bcd5d7b1---47990713350.pdfIn PDF document text
  • http://www.trimbleexpress.sk/wp-content/plugins/formcraft/file-upload/server/content/files/160721a80f3161---wanoruti.pdfIn PDF document text
  • http://remontnoedelo.ru/wp-content/plugins/formcraft/file-upload/server/content/files/160a6f0add1e55---20497064060.pdfIn PDF document text
  • http://soc-in.com/data/media/files/46310012094.pdfIn PDF document text
  • https://thegioidongphuc.net/ckfinder/userfiles/files/85177486617.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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