Malicious PDF — malware analysis report

Heuristics 6

• 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.
• 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://kohphanganhotelandtour.com/userfiles/file/27142134622.pdf In PDF document text

  • http://duszek-lasu.pl/userfiles/file/kivofuba.pdfIn PDF document text
  • https://kocarbon.vn/luutru/files/35428106934.pdfIn PDF document text
  • http://salamatekhanevadeh.ir/ckeditor/files/files/98910479764.pdfIn PDF document text
  • https://sellos-mecanicos.com/wp-content/plugins/super-forms/uploads/php/files/85ea00f17192c1c4fad7ccc5f645ef92/77539149919.pdfIn PDF document text
  • http://1960vonsteuben.com/clients/d/df/dfb5e1b83ea85bfdc5ef1da934264264/File/38997354889.pdfIn PDF document text
  • http://asalsold.com/wp-content/plugins/formcraft/file-upload/server/content/files/160756e8c6c496---xubiluvix.pdfIn PDF document text
  • http://etoprosto.ru/ckfinder/userfiles/files/53454884035.pdfIn PDF document text
  • http://attlas.center/userfiles/file/notebedodanujusanaromu.pdfIn PDF document text
  • http://dralituncer.com/userfiles/file/rabixirozafaxewuredema.pdfIn PDF document text
  • https://stiff.pl/ckfinder/userfiles/files/redofusumabab.pdfIn PDF document text
  • https://www.vigo.co.za/wp-content/plugins/formcraft/file-upload/server/content/files/1608eb8581e1b7---257044246.pdfIn PDF document text
  • https://ohligschlaeger-berger.de/wp-content/plugins/formcraft/file-upload/server/content/files/1608261120fe7b---23199370924.pdfIn PDF document text
  • https://www.ideakliniksisli.com/wp-content/plugins/formcraft/file-upload/server/content/files/160a4f4a98f5f0---13887494406.pdfIn PDF document text
  • https://ferropula.hr/files/winefo.pdfIn PDF document text
  • https://bestmiamiturf.com/wp-content/plugins/super-forms/uploads/php/files/0f7609ac8a0f326749f4f6b1b2586a81/kuwaf.pdfIn PDF document text
  • https://ballestermultiservicios.com/wp-content/plugins/formcraft/file-upload/server/content/files/160efe1b8865ad---28270769248.pdfIn PDF document text
  • https://wholisticvibrations.com/wp-content/plugins/super-forms/uploads/php/files/8eaea5961395ae31b80d950c7571dee5/dobewozemumeturabuki.pdfIn PDF document text
  • http://yao-cheng.com/uploadfiles/20210731100501.pdfIn PDF document text
  • http://www.1000ena.com/wp-content/plugins/formcraft/file-upload/server/content/files/1607d5d38ac482---51462539105.pdfIn PDF document text
  • http://www.uppld.org/wp-content/plugins/formcraft/file-upload/server/content/files/16112ea4d45f0a---vugegivurowiwomogipotig.pdfIn PDF document text
  • https://nhahangbienhaitien.com/uploads/files/26392784810.pdfIn PDF document text
  • https://fivetc.vn/uploads/files/xogugupaxodetununole.pdfIn PDF document text
  • http://buzmakov-ua.ru/admin/ckfinder/userfiles/files/xemofutoxuponumafanituja.pdfIn PDF document text
  • http://oneself.pro/wp-content/plugins/formcraft/file-upload/server/content/files/160a13e96851a9---47867437331.pdfIn PDF document text
  • https://feedproxy.google.com/~r/Uplcv/~3/BvfzZFkJO3s/uplcv?utm_term=how+to+hack+archero+androidPDF 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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