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://ketchas.ru/uplcv?utm_term=factoring+trinomials+coloring+activity+worksheet PDF link annotation

  • http://abwlondonblvd.com/uploads/files/14708001898.pdfIn PDF document text
  • https://vaytieudungtragop.com.vn/wp-content/plugins/super-forms/uploads/php/files/acr19a7fdmnc0e814cl3k6cnji/javuzaju.pdfIn PDF document text
  • https://adbadog.com/wp-content/plugins/super-forms/uploads/php/files/fe448f89460dddd344a213c1b4864726/16484281577.pdfIn PDF document text
  • http://andreagarciam.com/wp-content/plugins/formcraft/file-upload/server/content/files/160845b19281db---pexaxow.pdfIn PDF document text
  • http://appinaris.net/ckfinder/userfiles/publics/files/66743998252.pdfIn PDF document text
  • https://hondamienbac.vn/userfiles/file/fubatow.pdfIn PDF document text
  • https://ip-kamera-rendszer.hu/ckfinder/userfiles/files/deletepivubelufop.pdfIn PDF document text
  • https://pensionatiitalianiinportogallo.it/wp-content/plugins/super-forms/uploads/php/files/df22dbcb18b4cc8b8f6d011683d09cec/11555818062.pdfIn PDF document text
  • http://nb-magnet.com/upload/files/nigubufitufe.pdfIn PDF document text
  • https://massagetheory.ca/wp-content/plugins/super-forms/uploads/php/files/1a1c97dfbafca38705b50cc90b626061/navudikakesadan.pdfIn PDF document text
  • https://www.chesapeake-lighting.com/wp-content/plugins/super-forms/uploads/php/files/1401f4b7bcda8b4715d2cf525931ee6e/rupigavabodufupazofado.pdfIn PDF document text
  • https://englewoodgrassfarm.com/wp-content/plugins/super-forms/uploads/php/files/dceb16f49c1234fcceded3b0205819d8/gexupetixikalaj.pdfIn PDF document text
  • http://crystalnymph.by/wp-content/plugins/super-forms/uploads/php/files/afd05193f72c0bebc8f5a68cf04b72fa/zolagaluk.pdfIn PDF document text
  • https://cleartunemonitors.com/ckfinder/userfiles/files/10915620945.pdfIn PDF document text
  • http://eksan-ltd.com/userfiles/file/68907623027.pdfIn PDF document text
  • http://es-umzuege-transporte.de/wp-content/plugins/super-forms/uploads/php/files/f8f4e546b97dcd3973abd2df29e4775d/95420007198.pdfIn PDF document text
  • https://fentesmakina.com/paket/upload/files/14357680636.pdfIn PDF document text
  • http://latexindia.com/userfiles/file/19109418163.pdfIn PDF document text
  • http://www.stratcareerservices.com/wp-content/plugins/formcraft/file-upload/server/content/files/160c6efd4ae56d---bodelotexivimesawavumis.pdfIn PDF document text
  • http://www.anjhimayath.com/upload/file/39010327508.pdfIn PDF document text
  • http://www.farparts.cl/wp-content/plugins/formcraft/file-upload/server/content/files/160b013a1227ae---91888091826.pdfIn PDF document text
  • https://www.mozartcantat.nl/wp-content/plugins/formcraft/file-upload/server/content/files/1607e5f72bd195---kadadolezafepufuvalulax.pdfIn PDF document text
  • https://metricgroup.it/uploads/file/maworejezapab.pdfIn PDF document text
  • http://carneslaw.com/customer/3/d/9/3d947ad6ce2568d98b832ccf5548371bFile/wapuwefotubiz.pdfIn PDF document text
  • https://attackworkoutprogram.com/app/webroot/files/ckfinder/userfiles/files/53338676751.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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