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://daivupaint.com/img-chamthi/files/fedotiwusilirakugo.pdf In PDF document text

  • http://dentish.ru/ckfinder/userfiles/files/55449004097.pdfIn PDF document text
  • http://bizwd.com/wp-content/plugins/formcraft/file-upload/server/content/files/160a5f6c77cf88---juwoterigidatomivu.pdfIn PDF document text
  • https://hse.tw/upload/file/zavolu.pdfIn PDF document text
  • https://kvgrup.com.ua/wp-content/plugins/formcraft/file-upload/server/content/files/160bc528fa446a---pazusaw.pdfIn PDF document text
  • https://markzone.az/wp-content/plugins/super-forms/uploads/php/files/us0lh5jd08ph6i1mi8rqaa6e6f/62798510724.pdfIn PDF document text
  • http://www.consorcio.edu.pe/wp-content/plugins/formcraft/file-upload/server/content/files/1607cc7a32b96b---80248772656.pdfIn PDF document text
  • https://tranthachcaodanang.com/uploads/image/files/51067930045.pdfIn PDF document text
  • http://eachfun.com/ckfinder/userfiles/site_eachfun_com/files/davifejomimanuvatoz.pdfIn PDF document text
  • http://1qjd.com/upload/files/2021-06-24-07-47-20-TyMn7YFE.pdfIn PDF document text
  • http://machi-tomo.xyz/js/ckfinder/userfiles/files/revepanilavowi.pdfIn PDF document text
  • https://alianzatours.com/imagenes/file/11805388111.pdfIn PDF document text
  • http://fincasotilloviejo.es/files/sotillo/_repo/file/bekapurisigedive.pdfIn PDF document text
  • https://foundryindia.org/userfiles/file/kedimiratisumuwoni.pdfIn PDF document text
  • http://training-solutions.ro/wp-content/plugins/formcraft/file-upload/server/content/files/16083b47fa617d---6911501084.pdfIn PDF document text
  • https://condicionamentofisico.com/arquivos/file/44535848042.pdfIn PDF document text
  • http://www.evisiontiendaonline.com/ckfinder/userfiles/files/xenudijelubegiturosapira.pdfIn PDF document text
  • https://10fci.org/userfiles/file/sepaxizakof.pdfIn PDF document text
  • https://alcc.vn/wp-content/plugins/super-forms/uploads/php/files/hgfbgipk119om2lmnbi8n03hc1/togatibemojem.pdfIn PDF document text
  • http://nicenpos.com/userData/board/file/85232712733.pdfIn PDF document text
  • http://highendschmiede.de/highendfiles/file/42411097725.pdfIn PDF document text
  • https://bhiringisamsankalimandir.org/ckfinder/userfiles/files/dodifaxonoj.pdfIn PDF document text
  • http://haohanlegend.com/Uploadfiles/files/wopinabedawixedusutafuru.pdfIn PDF document text
  • http://www.jindatunnel.com/up_files/file/50842673667.pdfIn PDF document text
  • https://feedproxy.google.com/~r/Uplcv/~3/PmAiG5ZyT-k/uplcv?utm_term=or%C3%A7amento+empresarial+planejamento+e+controle+gerencial+f%C3%A1bio+frezatti+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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