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
• Fake CAPTCHA / human verification prompt high SE_FAKE_CAPTCHA
  Document displays a fake CAPTCHA or human-verification prompt — used to trick users into running commands or pressing keyboard shortcuts
• 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 http://sarahscupcakery.com/wp-content/plugins/formcraft/file-upload/server/content/files/160c9fad58b452---78352701721.pdf In PDF document text

  • http://blog.crowdly.com/wp-content/plugins/formcraft/file-upload/server/content/files/1609fd4f15635e---92129559001.pdfIn PDF document text
  • http://security-m.jp/tool/images/file/lobadaloxixozadasiji.pdfIn PDF document text
  • https://afriqueitnews.com/wp-content/plugins/super-forms/uploads/php/files/06dfc17800712065c4807a6e75a4760b/82934835591.pdfIn PDF document text
  • http://sztarmedia.hu/_user/file/gupaxelibagumozamu.pdfIn PDF document text
  • http://accessiblevehicleservices.com/userfiles/file/72110098524.pdfIn PDF document text
  • http://candientushinko.com/images/file/78562529225.pdfIn PDF document text
  • https://techielingo.com/fck_uploads/files/39650726387.pdfIn PDF document text
  • https://hrmconsulting.biz/upload/files/voxavefi.pdfIn PDF document text
  • http://www.melloecastro.com/wp-content/plugins/formcraft/file-upload/server/content/files/16076bdd5cdf4a---31122853225.pdfIn PDF document text
  • http://wagnerpc.com/userfiles/files/lakavavilo.pdfIn PDF document text
  • https://qualitylightsolutions.com/wp-content/plugins/super-forms/uploads/php/files/2a9abe577c57a37058188f71f14b136e/31566663257.pdfIn PDF document text
  • https://protechlighting.com/wp-content/plugins/super-forms/uploads/php/files/83a002c594f7c55f5cb079fa88d9ad2d/68955770840.pdfIn PDF document text
  • https://mollis.rs//files/79598799457.pdfIn PDF document text
  • http://www.rlktechniek.nl/wp-content/plugins/formcraft/file-upload/server/content/files/160f15ee2dcd06---webiket.pdfIn PDF document text
  • http://ricarda-allegra.de/userfiles/file/nujuzekusakexaz.pdfIn PDF document text
  • https://siphouse96.com/wp-content/plugins/super-forms/uploads/php/files/e43abd7c6b52704dcf18f5b8f42ab646/todopolifesotujovo.pdfIn PDF document text
  • http://www.sunarpazarlama.com/wp-content/plugins/super-forms/uploads/php/files/9ko2915ir2gh081dg52dtj2mu4/81756511385.pdfIn PDF document text
  • https://cffcommunications.nl/wp-content/plugins/formcraft/file-upload/server/content/files/1/16096c7f199867---43822558915.pdfIn PDF document text
  • http://savitapiti.org/ckfinder/userfiles/files/65904654155.pdfIn PDF document text
  • http://tecsun-moscow.ru/docs/file/63258361672.pdfIn PDF document text
  • http://www.sindafaz.com.br/admin/editor/ckfinder/userfiles/files/kupefibojawedi.pdfIn PDF document text
  • https://feedproxy.google.com/~r/Uplcv/~3/YTWXjIUwRh0/uplcv?utm_term=ge+hack+free+firePDF 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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