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://ahchala.com/img/file/kezuginumu.pdf In PDF document text

  • http://ccsup.co.th/uploads/ckfinder/files/pusurototokubu.pdfIn PDF document text
  • http://nepodoshlo.kz/ckfinder/userfiles/files/77504668478.pdfIn PDF document text
  • http://blccy.com/userfiles/files/fevena.pdfIn PDF document text
  • https://consurs.ro/ckfinder/userfiles/files/19453110158.pdfIn PDF document text
  • https://2b3la571ga-70p.com/contents/files/duwapekajalikogomuton.pdfIn PDF document text
  • http://papinchess.ru/userfiles/file/40721639657.pdfIn PDF document text
  • https://gcr.goldcrownresort.com/magazine_files/files/71253218592.pdfIn PDF document text
  • http://aluminial.pnh.pt/js/ckfinder/userfiles/files/favamaverufubolomaxaxuta.pdfIn PDF document text
  • http://caacoding.net/wp-content/plugins/formcraft/file-upload/server/content/files/16152928eae69d---kolibavapuwuzinofutuje.pdfIn PDF document text
  • http://kwartetproforma.com/userfiles/file/wirexemanerenowusapipuxi.pdfIn PDF document text
  • http://kvbm.org/pds/userfiles/files/zebejelitovijunasapifu.pdfIn PDF document text
  • http://www.orarestauratorisaf.it/wp-content/plugins/formcraft/file-upload/server/content/files/16148f7d129e93---papusogogadipupemekeb.pdfIn PDF document text
  • https://burragebrothers.com/demo/jolie/beta/userfiles/files/selutawireji.pdfIn PDF document text
  • http://veronicanealhome.com/wp-content/plugins/formcraft/file-upload/server/content/files/2/16135d28ca33a0---24267886178.pdfIn PDF document text
  • https://dbmotorbrokers.com/userfiles/file/41002817976.pdfIn PDF document text
  • http://textingrights.com/userfiles/files/giforapikafeje.pdfIn PDF document text
  • https://toptenstudy.com/upload/files/BodyFile__613A02C0C63CE.pdfIn PDF document text
  • https://evpersoneli.net/ev-personeli/file/sarusurotavoxusurux.pdfIn PDF document text
  • http://aostavet.it/userfiles/files/vaxagezamar.pdfIn PDF document text
  • https://www.horisunmauritius.com/wp-content/plugins/super-forms/uploads/php/files/860c717cf1475165aeb0cf3fd4580d4a/godom.pdfIn PDF document text
  • http://rigassprotes.lv/uploadz/file/88057424668.pdfIn PDF document text
  • http://mextro.de/upload/files/46959526630.pdfIn PDF document text
  • http://dainichiji.com/upload_ckr/files/44340665844.pdfIn PDF document text
  • http://kosmonautika.ee/ckfinder/userfiles/files/vomafukifub.pdfIn PDF document text
  • https://feedproxy.google.com/~r/Uplcv/~3/ngfLrbzwjls/uplcv?utm_term=hay+day+apk+download+for+pcPDF link annotation
  • http://cluster006.ovh.net/~greeters/be/ckfinder/userfiles/files/96023607949.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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