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://pistant.ru/uplcv?utm_term=video+editor+app+download+for+pc+without+watermark PDF link annotation

  • http://hzqzg.com/d/files/65370267318.pdfIn PDF document text
  • https://groupunsur1.com/contents/files/63105500556.pdfIn PDF document text
  • http://metzpaintings.com/wp-content/plugins/formcraft/file-upload/server/content/files/1613e1bb11e7e0---822617307.pdfIn PDF document text
  • http://www.driftime.ee/wp-content/plugins/formcraft/file-upload/server/content/files/1613debe27f89c---78660504322.pdfIn PDF document text
  • http://twtipa.com/upfile/files/2021/09/03/84585585954.pdfIn PDF document text
  • http://www.shjkyq.com/up_files/FCK/file/88606503002.pdfIn PDF document text
  • http://cageart.ca/wp-content/plugins/formcraft/file-upload/server/content/files/16143e7d2cec7e---zalibedusalubi.pdfIn PDF document text
  • http://gesht.ru/admin/ckfinder/userfiles/files/tubatosapixikuzusi.pdfIn PDF document text
  • https://olivierdaulte.com/ckfinder/userfiles/files/65616318167.pdfIn PDF document text
  • http://mail-business.ru/uploads/file/taxifizesizoxorobafire.pdfIn PDF document text
  • http://k9careclinic.in/ckeditor/ckfinder/userfiles/files/73615792459.pdfIn PDF document text
  • http://nadafashionbelt.com/Uploads/file/40566947009.pdfIn PDF document text
  • https://htfcompact.com/wp-content/plugins/super-forms/uploads/php/files/f3f4f2c431a8cd027cef127d4e4a7038/kusulimubobov.pdfIn PDF document text
  • http://roland-toys.eu/userfiles/file/zagariguzomibalukebeza.pdfIn PDF document text
  • http://limuzine.md/userfiles/file/71348432581.pdfIn PDF document text
  • http://holidayinntorino.com/userfiles/files/48805304787.pdfIn PDF document text
  • http://www.ih-consultant.com/ckfinder/userfiles/files/55934574255.pdfIn PDF document text
  • https://hoavily.com/uploads/files/82957240069.pdfIn PDF document text
  • https://alfa-clining.ru/wp-content/plugins/super-forms/uploads/php/files/17eb6a663ad8b0a600783ba753c6e101/55868461053.pdfIn PDF document text
  • http://foodchemsino.com/d/files/vebenetiti.pdfIn PDF document text
  • https://museuminiaturesbesalu.com/files/20679235308.pdfIn PDF document text
  • https://artistprasanna.com/userfiles/file/37829940085.pdfIn PDF document text
  • https://rajakedua.com/contents/files/saforexudibetopipigawu.pdfIn PDF document text
  • http://emiem.pl/public/upload/ckfinder/userfiles/files/vijutakeroziji.pdfIn PDF document text
  • https://www.assessment.unibe.ch/app/webroot/js/ckfinder/userfiles/files/48910339442.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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