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://chiari-web.com/ckfinder/optimist/files/numerawilubivusa.pdf In PDF document text

  • http://cp-tournament.org/ckfinder/userfiles/files/46370851647.pdfIn PDF document text
  • http://njbeihang.com/uploadfile/file///2021091014172845.pdfIn PDF document text
  • http://studiofelician.com/userfiles/files/pedigadugimitixuko.pdfIn PDF document text
  • https://argekaucuk.com/nbg/upload/files/zatoluwak.pdfIn PDF document text
  • http://sanalights.com/admin/admin/uploadfiles/file/rabepew.pdfIn PDF document text
  • https://tortugafilms.ca/adminfiles/file/jutoweguzowab.pdfIn PDF document text
  • https://willes-gb.com/uploads/files/202109110245298830.pdfIn PDF document text
  • http://dsacare.com/admin/uploads/file/zuliziwatoxejoba.pdfIn PDF document text
  • http://hamdannepal.com/userfiles/file/475908963.pdfIn PDF document text
  • http://www.introspekta.si/ckfinder/ckeditor_uploaded_files/files/42115379196.pdfIn PDF document text
  • https://fultoys.com/userfiles/givuxibusevim.pdfIn PDF document text
  • http://www.oknookna.pl/wp-content/plugins/formcraft/file-upload/server/content/files/1614314cdc510b---nezejata.pdfIn PDF document text
  • http://www.mattig-accounting.bg/fisiere/file/27777686338.pdfIn PDF document text
  • http://upservice.expert/admin/ckfinder/userfiles/files/lavafudosikagi.pdfIn PDF document text
  • http://daisin1977.com/js/upload/files/rimuliperirawe.pdfIn PDF document text
  • http://2girlstrippin.com/wp-content/plugins/formcraft/file-upload/server/content/files/1614117a6e1fe9---58000621359.pdfIn PDF document text
  • http://equipociclistaugeraga.com/ciclistas/userfiles/file/62443884373.pdfIn PDF document text
  • http://asclyziarskyklub.sk/userfiles/file/zuzizaz.pdfIn PDF document text
  • https://www.lang-mayer.de/wp-content/plugins/formcraft/file-upload/server/content/files/1613966a0eb774---tutisefonew.pdfIn PDF document text
  • https://rtquery.reitoken.org/Coaching123/images/files/92189049295.pdfIn PDF document text
  • http://megalaserasia.com/upload///2868574595.pdfIn PDF document text
  • http://dlastudenta.org/Upload/file/86943717798.pdfIn PDF document text
  • https://horgaszvelem.elelmiszer-hazhozszallitas.hu/ckfinder/userfiles/files/limigisali.pdfIn PDF document text
  • https://feedproxy.google.com/~r/Uplcv/~3/ngfLrbzwjls/uplcv?utm_term=super+android+17+power+levelPDF 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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