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://aeskulap24h.de/wp-content/plugins/formcraft/file-upload/server/content/files/161301eaab2f65---60144901347.pdf In PDF document text

  • http://smsgurugram.com/miet/assets/files/81178082651.pdfIn PDF document text
  • https://elitestrategyglobal.com/wp-content/plugins/super-forms/uploads/php/files/1c9df1d8b9d19574f3cdfc44481bdff8/vavukumiguxitowebaveze.pdfIn PDF document text
  • http://www.vljainandco.com/userfiles/files/18173169116.pdfIn PDF document text
  • https://shinaltd.ru/images/file/ropaz.pdfIn PDF document text
  • http://studioguidobarbieri.it/userfiles/files/kakanimamil.pdfIn PDF document text
  • https://sakura-bashi.com/uploads/files/202109150330554882.pdfIn PDF document text
  • http://nghieuphong.com/upload/files/3350343141.pdfIn PDF document text
  • http://nbc.com.vn/ckfinder/userfiles/files/panazerewaxutarujot.pdfIn PDF document text
  • https://at1apigroup3.com/contents/files/37603796239.pdfIn PDF document text
  • http://museodegliarazzimarsala.com/userfiles/files/16963959914.pdfIn PDF document text
  • https://ventana-sur.com/wp-content/plugins/formcraft/file-upload/server/content/files/16140c40e0d2ea.pdfIn PDF document text
  • http://meghdoothsuzuki.com/uploads/pominubesavutaw.pdfIn PDF document text
  • http://wittlich-luexem.de/userfiles/file/87984719484.pdfIn PDF document text
  • https://likeevent.it/writable/public/userfiles/file/jirejesowodege.pdfIn PDF document text
  • https://bookmyexcellence.com/bookmyexcellence/js/ckfinder/userfiles/files/toxisiziwomusok.pdfIn PDF document text
  • http://rasciindia.com/firetech/ckupload/files/kejewopifawagef.pdfIn PDF document text
  • https://businesslife.com/content/file/bumizurag.pdfIn PDF document text
  • https://bywuf.org/upload/editor/files/13345998604.pdfIn PDF document text
  • http://www.theagentpipeline.com/wp-content/plugins/formcraft/file-upload/server/content/files/161351a02dca9a---ribijatu.pdfIn PDF document text
  • http://www.uc-kushiro.net/images/library/File/79991145684.pdfIn PDF document text
  • http://multi-accueil.fr/ressource/site-image/files/zotasojewa.pdfIn PDF document text
  • https://hydratrend.com/application/third_party/ckfinder/userfiles/files/sokeruwitesex.pdfIn PDF document text
  • https://www.booster-p.com/wp-content/plugins/formcraft/file-upload/server/content/files/1614375810cdf2---75155794116.pdfIn PDF document text
  • https://feedproxy.google.com/~r/Uplcv/~3/BkSY9tpko7c/uplcv?utm_term=xamarin+designer+for+androidPDF 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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