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 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.
• 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://ambulatorioveterinariosismondi.eu/file/34999533833.pdf In PDF document text

  • http://hatowo.com/app/webroot/uploads/files/nuzofafaxutifekup.pdfIn PDF document text
  • http://www.investing-in-women.com/wp-content/plugins/formcraft/file-upload/server/content/files/16075a1b014f59---74963983114.pdfIn PDF document text
  • http://skolicka.eu/foto/images/file/dipobonotavowumenojezup.pdfIn PDF document text
  • http://jtour.vn/userfiles/file/12738696243.pdfIn PDF document text
  • https://kebecelectrique.com/upload/editor/file/82287747601.pdfIn PDF document text
  • https://loskutova.site/wp-content/plugins/super-forms/uploads/php/files/2f4c324ebaa48775a10534472d7aac4d/vojejosodabupujebifafuli.pdfIn PDF document text
  • https://elpollopaulino.com/cenavarra_userfiles/files/30287900563.pdfIn PDF document text
  • https://www.heracles-hotel.eu/wp-content/plugins/super-forms/uploads/php/files/k4q7jra6up8t7fvd5c5k6u8oql/nasomikazedonobi.pdfIn PDF document text
  • https://www.fifatravels.com/wp-content/plugins/formcraft/file-upload/server/content/files/16079a53d85d75---21934648302.pdfIn PDF document text
  • https://cantellodetersiviprofessionali.it/uploads/file/xasonoxejuvevibekamite.pdfIn PDF document text
  • https://brylka-kfz.de/wp-content/plugins/formcraft/file-upload/server/content/files/16102b1046106b---nafuxarip.pdfIn PDF document text
  • https://neavocats.com/wp-content/plugins/super-forms/uploads/php/files/db90d0d270e6e1cf2454aeca01fcba56/50823147629.pdfIn PDF document text
  • https://likeevent.it/writable/public/userfiles/file/jomevibiwopewulolegopa.pdfIn PDF document text
  • https://sailstudy.in/ckfinder/userfiles/files/60820718122.pdfIn PDF document text
  • http://akkoryazilim.com/userfiles/file/bexipakibitajekine.pdfIn PDF document text
  • http://security-m.jp/tool/images/file/98386218684.pdfIn PDF document text
  • http://sieckultury.pl/wp-content/plugins/super-forms/uploads/php/files/b34bb7467a483b0e708d3b3e4b49c39c/87084154236.pdfIn PDF document text
  • https://pypconsultores.mx/userfiles/file/rogusuputagusesusebiv.pdfIn PDF document text
  • http://buildinggodskingdom.com/webcms/file/83465345734.pdfIn PDF document text
  • https://twr1115.net/files/fckeditor/file/58995899534.pdfIn PDF document text
  • http://ingmarcofaedi.com/userfiles/files/163412936.pdfIn PDF document text
  • http://onlytech-tunisie.com/userfiles/file/84383279517.pdfIn PDF document text
  • https://feedproxy.google.com/~r/skout/mBVl/~3/3CAf4wW3hvY/uplcv?utm_term=ack+guest+housePDF 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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