Malicious PDF — malware analysis report

Heuristics 8

• 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 to algorithmically-generated URL high PDF_RANDOM_URL_LINK
  PDF contains a clickable HTTP(S) link whose host looks algorithmically generated (pronounceable-random labels) and whose path/query carries a long high-entropy token. This is the randomized-redirector pattern of malspam phishing lures — the visible document is only a prompt — not a PDF parser vulnerability.
• 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://ordinate-ltd.com/file_media/file_image/file/64199363862.pdf In PDF document text

  • https://tabularasa.lv/sites/tabularasa/uploads/documents/files/39288164707.pdfIn PDF document text
  • http://1careglobal.com/upload/files/70275128525.pdfIn PDF document text
  • http://ongxoanhdpe.vn/upload/files/venezilenisabexok.pdfIn PDF document text
  • http://24cvety.ru/upload/files/japozotilisaloro.pdfIn PDF document text
  • http://sayarbobinaj.com/file/tarikuzitom.pdfIn PDF document text
  • https://eclearusa.com/images/file/wureputox.pdfIn PDF document text
  • http://ambulatorioveterinarioscapindandrea.it/userfiles/files/93821985359.pdfIn PDF document text
  • http://noavarservice.com/ckfinder/userfiles/files/3492287179.pdfIn PDF document text
  • http://pomodorolennep.de/gfx/userfiles/files/dipiwaxekisaterujinipuj.pdfIn PDF document text
  • http://itcbeautytrainingschool.com/userfiles/file/3867735259.pdfIn PDF document text
  • http://makesomenoise.hu/upload/file/7666040021.pdfIn PDF document text
  • http://spokoino.ru/i/upload/files/fadujimeworelikafuladale.pdfIn PDF document text
  • http://alliance-ic.ru/uploads/file/dedoseseb.pdfIn PDF document text
  • http://t-eamplus.de/web/editor/files/pazefewimopix.pdfIn PDF document text
  • https://bloomlight.pl/_bloom/file/rokizotatesusageralebu.pdfIn PDF document text
  • https://eminentland.com/admin/userfiles/files/57313383564.pdfIn PDF document text
  • http://gold-carsales.com/js/upload/files/22599699550.pdfIn PDF document text
  • http://www.a-fairys-choice.com/wp-content/plugins/formcraft/file-upload/server/content/files/1614129b748b50---monisolokegufa.pdfIn PDF document text
  • http://constructionone.com.br/wp-content/plugins/formcraft/file-upload/server/content/files/1614b61f6f34ef---nabiludotuzazorivonisel.pdfIn PDF document text
  • http://argra.rs/wp-content/plugins/formcraft/file-upload/server/content/files/161475ef260e73---sefulurif.pdfIn PDF document text
  • http://sistarelaw.com/customer/3/d/9/3d947ad6ce2568d98b832ccf5548371bFile/mofifivebopobovipimipumir.pdfIn PDF document text
  • http://iccjsc.vn/images/uploads/files/zaxipo.pdfIn PDF document text
  • https://juvelyrikoscentras.lt/Files/file/17457533250.pdfIn PDF document text
  • https://feedproxy.google.com/~r/skout/mBVl/~3/cv9VXjIrmdE/uplcv?utm_term=victorious+roblox+idPDF 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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