Malicious PDF — malware analysis report

Heuristics 7

• 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 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 http://kristiankutschera.de/userfiles/file/wodubosu.pdf In PDF document text

  • https://allmassage.net/upload/file/20210629024710.pdfIn PDF document text
  • https://realestateconnect.us/wp-content/plugins/super-forms/uploads/php/files/e6nmamgkapl3tv8l76ds9a87e4/50867016351.pdfIn PDF document text
  • https://bbensonmft.com/wp-content/plugins/super-forms/uploads/php/files/61e26e82c571498a31a44ec6ed623f76/niketolasadorewaf.pdfIn PDF document text
  • https://nepalimodelagency.com/userfiles/file/bujitebukokisuka.pdfIn PDF document text
  • https://semut73.com/contents//files/36965549364.pdfIn PDF document text
  • http://ttmplus.com/userfiles/files/radavofalo.pdfIn PDF document text
  • https://etcbt.com/userfiles/file/nudixijokebubukivijav.pdfIn PDF document text
  • https://www.advids.io/wp-content/plugins/formcraft/file-upload/server/content/files/1609c5f6f01732---sekazegusitaguxe.pdfIn PDF document text
  • http://doublehappyvstheinfinitesadness.com/wp-content/plugins/formcraft/file-upload/server/content/files/160790614e78bf---gumanopogelana.pdfIn PDF document text
  • http://jornalespacoaberto.com/app/webroot/datafiles/editor/files/pidasewizuzo.pdfIn PDF document text
  • http://m2m2design.com/userfiles/11318572919.pdfIn PDF document text
  • https://spazmedia.com/wp-content/plugins/formcraft/file-upload/server/content/files/1608ac915962ee---jivifegubajenanavikixe.pdfIn PDF document text
  • http://fiumevivo.it/userfiles/files/78672504118.pdfIn PDF document text
  • https://dedywiredja.com/wp-content/plugins/formcraft/file-upload/server/content/files/160ec428257b25---dasizonasek.pdfIn PDF document text
  • http://electronicaindex.nl/images/uploads/vituzepilipusoxeris.pdfIn PDF document text
  • https://gofropack.com/wp-content/plugins/super-forms/uploads/php/files/912f94a9c0475df92796ec33c5ee5bb5/rimaledokoxo.pdfIn PDF document text
  • http://poongdung.com/FileData/ckfinder/files/20210716_1B37E4E1272E8FC8.pdfIn PDF document text
  • http://softwarefactory.nl/images/file/82153002638.pdfIn PDF document text
  • https://kp-bs.ru/upload/files/56079710828.pdfIn PDF document text
  • https://skiclubraonbaccarat.fr/pdf/22381256202.pdfIn PDF document text
  • https://smarttactic.ro/wp-content/plugins/formcraft/file-upload/server/content/files/1612be3b13ba33---dabovanakab.pdfIn PDF document text
  • https://sdyh.gr/wp-content/plugins/super-forms/uploads/php/files/a60cibveodei8ap2occ4qkuv30/nelalimulaz.pdfIn PDF document text
  • http://kaplanpm.com/wp-content/plugins/formcraft/file-upload/server/content/files/1606fae6de2f51---joxawo.pdfIn PDF document text
  • http://www.victorian-manor.co.za/wp-content/plugins/formcraft/file-upload/server/content/files/16086194fbcc37---16022072736.pdfIn PDF document text
  • https://feedproxy.google.com/~r/1eyvgo/aqOO/~3/S30rS-6n6vg/uplcv?utm_term=myles+munroe+understanding+the+purpose+and+power+of+woman+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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