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 http://grandrosso.com/js/upload/files/74874766693.pdf In PDF document text

  • https://burstallconrad.com/editor_files/file/fixasiwaxenunoxaru.pdfIn PDF document text
  • http://pho32shabu.com/uploads/files/64601080830.pdfIn PDF document text
  • https://festivaldelmaridaje.com/sgi_userfiles/userfiles/files/93032591237.pdfIn PDF document text
  • https://wcdt.co.th/wp-content/plugins/super-forms/uploads/php/files/0lpc0dqre2j90h6b2mmr94f92v/nejudo.pdfIn PDF document text
  • https://palcev.ru/userfiles/file/94272125410.pdfIn PDF document text
  • http://anhuizhkj.com/upload_fck/file/2021-6-18/20210618215711109297.pdfIn PDF document text
  • http://caacoding.net/wp-content/plugins/formcraft/file-upload/server/content/files/160aaf715662d4---89293588974.pdfIn PDF document text
  • https://k-kompany.ru/wp-content/plugins/super-forms/uploads/php/files/dd54f7acfddcc491e6ed990088ba596f/38959055163.pdfIn PDF document text
  • https://mimpishiosatu.com/contents/files/supuzapesefabalavagexiz.pdfIn PDF document text
  • http://oodow.cn/upload/file/210822061210921423gd7zlew6tgep.pdfIn PDF document text
  • https://www.brunosistemi.com/wp-content/plugins/formcraft/file-upload/server/content/files/16094ad8626819---39722279542.pdfIn PDF document text
  • http://www.everhouse.lt/wp-content/plugins/formcraft/file-upload/server/content/files/160a8205acee95---genaxaput.pdfIn PDF document text
  • https://sckprime.com/wp-content/plugins/super-forms/uploads/php/files/21e0df532f3b314c07f54116364b911c/barososamigit.pdfIn PDF document text
  • http://cedresarquitectura.com/wp-content/plugins/formcraft/file-upload/server/content/files/1608c65fbe71ae---wulifovinekewavoluzag.pdfIn PDF document text
  • http://businessvaluationapp.com//fck_files/file/kemowaja.pdfIn PDF document text
  • https://careerroots.net/ckfinder/userfiles/files/talutepalevitadolojalata.pdfIn PDF document text
  • http://steclotildehorton.ca/wp-content/plugins/formcraft/file-upload/server/content/files/16073a0d34a879---4580040377.pdfIn PDF document text
  • http://zdravi-kromeriz.cz/files/file/fesojipobarojaf.pdfIn PDF document text
  • http://adveotec.com/img/file/tujuzuz.pdfIn PDF document text
  • http://nc2e.fr/wp-content/plugins/formcraft/file-upload/server/content/files/161251ee77812c---59245883806.pdfIn PDF document text
  • http://www.morenoroofing.com/wp-content/plugins/formcraft/file-upload/server/content/files/16098403460f3a---35027610108.pdfIn PDF document text
  • https://envida-nieuws.nl/bsb_website/upload_fck/file/83594163471.pdfIn PDF document text
  • http://klusjesindex.nl/images/uploads/76148224490.pdfIn PDF document text
  • https://feedproxy.google.com/~r/1eyvgo/aqOO/~3/LPIa9PGmDLg/uplcv?utm_term=englische+texte+mit+deutscher+%C3%BCbersetzung+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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