Malicious PDF — malware analysis report

Heuristics 7

• ClamAV: Pdf.Phishing.Trojan-d2568dad23a94d95-d2568dad23a94d95-10044375-0 critical CLAMAV_DETECTION
  ClamAV detected this file as malware: Pdf.Phishing.Trojan-d2568dad23a94d95-d2568dad23a94d95-10044375-0
• 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.
• Callback phishing phone lure medium SE_CALLBACK_LURE
  Document asks the user to call a phone number in billing, refund, subscription, fraud, or security context — consistent with callback phishing or tech-support scam patterns. Suppressed for legitimate-issuer (IRS/gov/official-form) documents that carry no urgency or charge/dispute escalation.
• 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://uat.ideadunes.com/projects/ideadunes-portfolio-site/wp-content/plugins/formcraft/file-upload/server/content/files/1607192923388d---26244132439.pdf In PDF document text

  • https://tavio.ru/files/file/36799872476.pdfIn PDF document text
  • https://vrrc.heart.net.tw/ckfinder/ckfiles/files/47291886523.pdfIn PDF document text
  • http://dahchen.tw/userfiles/file/punuzokokunixod.pdfIn PDF document text
  • http://duda-tech.pl/dudatech/upload/file/22966450141.pdfIn PDF document text
  • http://omatsuri.kr/data/userfiles/files/gabevuzozefu.pdfIn PDF document text
  • http://infinity-pro.ru/userfiles/file/xetaxafawegulopujo.pdfIn PDF document text
  • http://www.introspekta.si/ckfinder/ckeditor_uploaded_files/files/62385068238.pdfIn PDF document text
  • http://szsahsh.com/uploads/files/wunagaluwivoxipikafokex.pdfIn PDF document text
  • https://bocrangsuthammy.vn/upload/files/lisufo.pdfIn PDF document text
  • http://www.dadosefatos.net.br/wp-content/plugins/formcraft/file-upload/server/content/files/16082b0de44a95---56941674284.pdfIn PDF document text
  • http://strap.sk/uploads/files/zelasinotoreza.pdfIn PDF document text
  • https://giltmorestukko.hu/ckfinder/userfiles/files/25448477116.pdfIn PDF document text
  • http://www.naturapreserved.com/wp-content/plugins/formcraft/file-upload/server/content/files/16080c1ceba453---15052355963.pdfIn PDF document text
  • http://svenstavik.com/wp-content/plugins/formcraft/file-upload/server/content/files/160a18b5458ad4---17937114328.pdfIn PDF document text
  • http://husplaza.hu/editor_up/57253892927.pdfIn PDF document text
  • http://meble-tk.pl/userfiles/file/22243546592.pdfIn PDF document text
  • http://jdjfjx.com/images/upload/File/34887928961.pdfIn PDF document text
  • http://thechitay.com/uploads/userfiles/file/88795927556.pdfIn PDF document text
  • http://bpsstudio.hu/uploads/90660399506.pdfIn PDF document text
  • http://www.goldenlantern.co.za/wp-content/plugins/formcraft/file-upload/server/content/files/16083656943652---26330872746.pdfIn PDF document text
  • http://www.advokat.com/app/webroot/img/fck/file/xifisinivimona.pdfIn PDF document text
  • http://umrllc.com/userfiles/files/86946941230.pdfIn PDF document text
  • http://www.caslyn.co.za/wp-content/plugins/formcraft/file-upload/server/content/files/1607e08ea92e6f---20204541061.pdfIn PDF document text
  • http://go-trec.com/wp-content/plugins/super-forms/uploads/php/files/f7g3ubuh98cfdhstqf8pispr86/biwelivolopebojepigelifa.pdfIn PDF document text
  • https://audreyheselmans.com/_files/file/jajeluralux.pdfIn PDF document text
  • https://feedproxy.google.com/~r/skout/mBVl/~3/ngfLrbzwjls/uplcv?utm_term=irregular+words+in+english+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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