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.
• 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://stayatrosetta.com/wp-content/plugins/super-forms/uploads/php/files/d5bi61i13effe7pb2g048be3j2/webokoz.pdf In PDF document text

  • https://saftanton.dk/wp-content/plugins/formcraft/file-upload/server/content/files/1607b4a99ec9ec---gidepimim.pdfIn PDF document text
  • https://moraure.net/js/ckfinder/userfiles/files/23578840196.pdfIn PDF document text
  • http://guojingmall.com/userfiles/file///baxidifakifuburube.pdfIn PDF document text
  • http://www.netcorp.hu/data/editorfile/29538655008.pdfIn PDF document text
  • http://aerotechgroup.ru/img/outer/files/23165069911.pdfIn PDF document text
  • http://uk-finansist.ru/userfiles/file/99050493135.pdfIn PDF document text
  • http://sk-massimo.com/js/upload/files/56903468375.pdfIn PDF document text
  • http://ekotop.eu/userfiles/file/beruwodusawotuxokasebuv.pdfIn PDF document text
  • http://amexeuro.com/an3_Uploads/file/29996511845.pdfIn PDF document text
  • https://miamivanservice.net/wp-content/plugins/formcraft/file-upload/server/content/files/160926abd9bd36---8020356409.pdfIn PDF document text
  • https://bonafideonline.com.ar/wp-content/plugins/super-forms/uploads/php/files/451c25cb47a8c05745fe161f842b17ba/nixafulitojopamujaje.pdfIn PDF document text
  • https://teenvolunteerdallas.org/wp-content/plugins/super-forms/uploads/php/files/f19443a5d0aa3ebc2bb7d08e7fb04e00/84116841304.pdfIn PDF document text
  • http://ttlengenharia.com.br/wp-content/plugins/formcraft/file-upload/server/content/files/1607bb6bca9876---fokikanaburigurijef.pdfIn PDF document text
  • http://vdadanang.vn/app/webroot/assets/files/tefediwaxezutaviki.pdfIn PDF document text
  • https://kede.org/userfiles/file/61523062351.pdfIn PDF document text
  • http://www.gainerwindows.ca/wp-content/plugins/super-forms/uploads/php/files/9281sgja081uoiqct114dq2087/47832955201.pdfIn PDF document text
  • https://www.lightingdynamics.com/wp-content/plugins/super-forms/uploads/php/files/d61a57324b7b3e3037b65c7ffd8fe1be/64484344518.pdfIn PDF document text
  • http://anhuifan.com/upload_fck/file/2021-5-7/20210507112304624442.pdfIn PDF document text
  • https://www.prowallpanama.com/wp-content/plugins/super-forms/uploads/php/files/af5a6f561619c45b7dedcd92f0225ba2/vizaro.pdfIn PDF document text
  • http://ebiocell.com/uploadfile/file///2021071709243617.pdfIn PDF document text
  • http://thanhlamresort.vn/wp-content/plugins/formcraft/file-upload/server/content/files/1606f6d6c532b2---wazurawojiselo.pdfIn PDF document text
  • https://stpetejazz.com/wp-content/plugins/super-forms/uploads/php/files/q1pdcsf61u9n1lok4bajn1qebl/tumigu.pdfIn PDF document text
  • http://ongnuocdenhat.com/upload/files/22400481297.pdfIn PDF document text
  • https://feedproxy.google.com/~r/skout/mBVl/~3/S30rS-6n6vg/uplcv?utm_term=pdfelement+8+downloadPDF 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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