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
• Browser extension / update installation lure high SE_BROWSER_INSTALL_LURE
  Document tells the user to install a browser extension, plugin, viewer, or browser update to view content — a common social-engineering path for credential theft and malware installation
• 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://donnasalon.ru/wp-content/plugins/super-forms/uploads/php/files/10d954b9eb50754c612cba2f458cd55f/banuvamujizusazazewinuv.pdf In PDF document text

  • https://www.northernillumination.com/wp-content/plugins/super-forms/uploads/php/files/3a0e71a38899d7e6d1f7c9158bed2a3e/95122760195.pdfIn PDF document text
  • http://pantryscan.com/123cars/imagefck/file/38644016655.pdfIn PDF document text
  • https://bilegt.mn/userfiles/files/64609500544.pdfIn PDF document text
  • https://amiablediamonds.com/wp-content/plugins/super-forms/uploads/php/files/803f74bfed5bb2f2c8b3e65d91ce8ba3/79560779437.pdfIn PDF document text
  • http://caycanhtuyhien.com/uploads/image/files/25302598200.pdfIn PDF document text
  • http://gandolfiarchitetti.com/userfiles/files/84506485248.pdfIn PDF document text
  • https://aiaciran.org/cache/fck_files/file/90679096082.pdfIn PDF document text
  • https://www.heainc.com/wp-content/plugins/formcraft/file-upload/server/content/files/160cb3d37ac1d8---50442370279.pdfIn PDF document text
  • http://naucseto.cz/storage/68327239906.pdfIn PDF document text
  • http://makingthegradetexas.com/clients/d/d4/d4716c73f098ea79da165a2194b6736a/File/xuxuregukini.pdfIn PDF document text
  • https://sarujiovalente.com/wp-content/plugins/super-forms/uploads/php/files/l6fcllolk2e3ttqbc1lg8ok9q3/34462775065.pdfIn PDF document text
  • http://myphamlulanjina.com/upload/files/lakofakenome.pdfIn PDF document text
  • http://c2r-auto.com/uploadfiles/file/2021062821594473499.pdfIn PDF document text
  • https://askisan.com/upload/ckfinder/files/gabujisamixuwejawivudized.pdfIn PDF document text
  • http://evansmedia.ca/userfiles/file/gorekave.pdfIn PDF document text
  • https://rajaunited.com/contents//files/46379665122.pdfIn PDF document text
  • http://tfh-filter.hu/_user/file/31106962256.pdfIn PDF document text
  • https://bestmiamiturf.com/wp-content/plugins/super-forms/uploads/php/files/bb45085ed9b6490bcb93fcc309744a52/xobexolawoti.pdfIn PDF document text
  • http://aaz.sk/editor_uploads/files/tegolafinudav.pdfIn PDF document text
  • http://becro-plast.hr/wp-content/plugins/formcraft/file-upload/server/content/files/160784809db633---xisute.pdfIn PDF document text
  • https://personnelcle.com/userfiles/file/84497014699.pdfIn PDF document text
  • https://www.uniqueartzz.com/wp-content/plugins/super-forms/uploads/php/files/14av1d31rvgmqa5d17jt2non22/masaxok.pdfIn PDF document text
  • https://feedproxy.google.com/~r/1eyvgo/aqOO/~3/3CAf4wW3hvY/uplcv?utm_term=online+minecraft+game+free+playPDF 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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