Malicious PDF — malware analysis report

Heuristics 6

• 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.
• 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://kalyna.ua/sites/default/files/userfiles/file/61745652567.pdf In PDF document text

  • http://claudiodauelsberg.com.br/wp-content/plugins/formcraft/file-upload/server/content/files/1608a254441aa9---35412762007.pdfIn PDF document text
  • http://doubletroubels.com/wp-content/plugins/formcraft/file-upload/server/content/files/1606d04448c923---fitelijupefag.pdfIn PDF document text
  • http://anhopphat.com/uploads/files/71023957318.pdfIn PDF document text
  • http://www.oschouston.com/osc/wp-content/plugins/formcraft/file-upload/server/content/files/1606cca17e344b---deramipudulenowopimazesu.pdfIn PDF document text
  • https://360clothing.in/home/www360cl/public_html/uploads/images/files/27608173376.pdfIn PDF document text
  • http://alpha-cp.com/userfiles/file/lisiwujefamiteliri.pdfIn PDF document text
  • http://kaies.cn/upfiles/210619131345949751gborty.pdfIn PDF document text
  • https://cornwallstaffagency.com/userfiles/file/bogusidoraridoruzutimozu.pdfIn PDF document text
  • http://hit-air.pro/ckfinder/userfiles/files/notededudatugupakufuduxeg.pdfIn PDF document text
  • https://ewms.vn/wp-content/plugins/super-forms/uploads/php/files/2up4leqfq1mlrpui1jr1mvb6lf/63911286672.pdfIn PDF document text
  • http://partnerplus30.ru/images/fornews/files/33160043888.pdfIn PDF document text
  • http://hayatteknoloji.com/webimage/file/40889147953.pdfIn PDF document text
  • https://www.aceitedeoliva.com/wp-content/plugins/super-forms/uploads/php/files/97fdcee750097a5fe88e8ebbee55c345/77512151334.pdfIn PDF document text
  • http://chinazzjx.com/d/files/34451816830.pdfIn PDF document text
  • http://iphysiology.ru/upload/70122565611.pdfIn PDF document text
  • http://erkerlaender.de/wp-content/plugins/formcraft/file-upload/server/content/files/1607b02c812149---rurenuwo.pdfIn PDF document text
  • http://furkansigorta.com.tr/wp-content/plugins/formcraft/file-upload/server/content/files/160a3a448e3238---93667759123.pdfIn PDF document text
  • http://www.sport-konyv.hu/userfiles/file/44857990132.pdfIn PDF document text
  • https://joefairless.com/wp-content/plugins/super-forms/uploads/php/files/0f87309a968d581936b78602fde2f463/39130048189.pdfIn PDF document text
  • http://oreade-breche.fr/userfiles/file/befip.pdfIn PDF document text
  • https://benchmarktransitions.com/wp-content/plugins/formcraft/file-upload/server/content/files/160995f748fb5b---pugakimofobigos.pdfIn PDF document text
  • http://gokea.org/upload/editor/files/36008204658.pdfIn PDF document text
  • http://www.ponderosafestival.com/wp-content/plugins/formcraft/file-upload/server/content/files/16102bd5f4a3a4---jidunuwof.pdfIn PDF document text
  • https://feedproxy.google.com/~r/1eyvgo/aqOO/~3/BkSY9tpko7c/uplcv?utm_term=how+many+sweet+potatoes+make+3+cupsPDF 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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