Malicious PDF — malware analysis report

Heuristics 7

• ClamAV: Pdf.Phishing.Trojan-d2568dad23a94d95-d2568dad23a94d95-10044375-0 critical CLAMAV_DETECTION
  ClamAV detected this file as malware: Pdf.Phishing.Trojan-d2568dad23a94d95-d2568dad23a94d95-10044375-0
• 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://ccsilver.kr/files/fckeditor/file/139502955361299f2762889.pdf In PDF document text

  • http://associatedreclaimed.com/userfiles/files/18069474930.pdfIn PDF document text
  • http://magyaringatlanadatbazis.hu/dev/_user/file/tupeg.pdfIn PDF document text
  • http://bazatalty.pl/wp-content/plugins/super-forms/uploads/php/files/68b8e86b8517938f96999c809e323877/gobadilokudo.pdfIn PDF document text
  • https://ercrs.org/wp-content/plugins/super-forms/uploads/php/files/6206aoanaaeds6djb498gp3ub3/60203800804.pdfIn PDF document text
  • http://mini-garden.ru/userfiles/file/nozevuketurukibeva.pdfIn PDF document text
  • https://getadoc.in/ckfinder/userfiles/files/88877462221.pdfIn PDF document text
  • http://accronline.com/userfiles/file/68888781662.pdfIn PDF document text
  • https://www.aironface.com/wp-content/plugins/super-forms/uploads/php/files/81f4c1af32306536b220f2589baf7f64/sipaseviramisojujud.pdfIn PDF document text
  • http://chhsclassof64.com/clients/b/b2/b21d6454c74b38f294a67049e63db9d7/File/28724623782.pdfIn PDF document text
  • http://toanthinh.vn/webroot/img/files/lajobozubezitozu.pdfIn PDF document text
  • https://derya.afmiletisimajansi.info/resimler/files/25117624510.pdfIn PDF document text
  • http://frederickfollows.co.uk/wp-content/plugins/formcraft/file-upload/server/content/files/1607bf3e5db21a---37152974482.pdfIn PDF document text
  • http://inventory-acepipe.com/images/uploads/files/nisidajikelazupesexafitaf.pdfIn PDF document text
  • http://due.pt/js/ckfinder/userfiles/files/digokajolagumizajiw.pdfIn PDF document text
  • https://amkboiler.com/wp-content/plugins/super-forms/uploads/php/files/lcjn9ub5vm3mf6p4d86ui7hl6v/pexumapudakivofiri.pdfIn PDF document text
  • http://suportti.com/wp-content/plugins/formcraft/file-upload/server/content/files/1609e1f07914ca---rigivuzukav.pdfIn PDF document text
  • http://precedent.by/_newsite/images_from_html_editor/file/69357408110.pdfIn PDF document text
  • https://www.lang-mayer.de/wp-content/plugins/formcraft/file-upload/server/content/files/160b2089937d19---98878643887.pdfIn PDF document text
  • http://superazs.ru/images/news/file/27344882018.pdfIn PDF document text
  • https://www.helpagesl.org/wp-content/plugins/formcraft/file-upload/server/content/files/16092089c2bfa6---vadorosopibokesowik.pdfIn PDF document text
  • https://etcbt.com/userfiles/file/347280203.pdfIn PDF document text
  • http://myhomeinparis.com/userfiles/files/6480413290.pdfIn PDF document text
  • https://feedproxy.google.com/~r/skout/mBVl/~3/BkSY9tpko7c/uplcv?utm_term=measurement+worksheets+grade+5+with+answersPDF 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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