Malicious PDF — malware analysis report

Heuristics 6

• 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.
• 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://quangcaowebsite.vn/uploads/files/54126145344.pdf In PDF document text

  • https://psychotherapie-dr-albrecht.de/wp-content/plugins/formcraft/file-upload/server/content/files/160773dfdec27c---55435924237.pdfIn PDF document text
  • http://www.predoisiasociatii.ro/wp-content/plugins/formcraft/file-upload/server/content/files/16098f4326f6bd---rilolinovelido.pdfIn PDF document text
  • http://rialta.ie/userfiles/files/54791446651.pdfIn PDF document text
  • http://mikllc.mn/uploads/files/wojudirikirekawedune.pdfIn PDF document text
  • http://okwmd.com/upload/fckeditor/file/61210268032.pdfIn PDF document text
  • https://vakukh.ru/wp-content/plugins/super-forms/uploads/php/files/2fa107091f469beeda517230d30ad5d6/saxuzorotavawudugudezo.pdfIn PDF document text
  • http://dtpokebar.com/uploads/files/42903292065.pdfIn PDF document text
  • https://mujeresenmovimientoplus.com/userfiles/file/53038461270.pdfIn PDF document text
  • https://foodthings.us/userfiles/file/1795606660.pdfIn PDF document text
  • http://massageindex.nl/images/uploads/54228492144.pdfIn PDF document text
  • https://technok.cz/wp-content/plugins/super-forms/uploads/php/files/369fe842844852d24ff40aed38902a86/60235502877.pdfIn PDF document text
  • https://www.hotel-palladium.gr/wp-content/plugins/super-forms/uploads/php/files/lv308eq1ea7o7pnsmb1deeeavu/29480288085.pdfIn PDF document text
  • http://www.uvhk.com/wp-content/plugins/formcraft/file-upload/server/content/files/16103edbb3a062---rexovefo.pdfIn PDF document text
  • http://knupress.com/pds/editor/file/putovozuxewevavalilalibu.pdfIn PDF document text
  • http://suarezbeltran.com/aym_images/files/90645228906.pdfIn PDF document text
  • https://laihouston.com/wp-content/plugins/super-forms/uploads/php/files/d7027693f3815af9e27c8714c3290353/sazifogudufegededulirav.pdfIn PDF document text
  • http://rc-modeller.se/images/file///41365247151.pdfIn PDF document text
  • http://www.deco-interieure.com/userfiles/file/xubudoturukume.pdfIn PDF document text
  • http://www.doctor-carpet.com/wp-content/plugins/super-forms/uploads/php/files/g62t0gaa50si9u46bt5nusla32/58744720581.pdfIn PDF document text
  • https://www.beewellrx.com/wp-content/plugins/super-forms/uploads/php/files/tmp/woxamalejamikin.pdfIn PDF document text
  • https://cullinanconstruction.com/wp-content/plugins/super-forms/uploads/php/files/mkkf1hmdr7d99ersbj5ijt97rs/52210267347.pdfIn PDF document text
  • http://ambiance-cinema.fr/wp-content/plugins/super-forms/uploads/php/files/0463721b23e51fa37dd2534faeb0fa7f/29462425981.pdfIn PDF document text
  • http://emusicmarket.com/upfile/board/files/97543724341.pdfIn PDF document text
  • http://ewtch.com/upload/files/96873536918.pdfIn PDF document text
  • https://feedproxy.google.com/~r/1eyvgo/aqOO/~3/PmAiG5ZyT-k/uplcv?utm_term=strategic+management+question+paper+pdfPDF 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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