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
• Small PDF contains mass external PDF link farm critical PDF_SEO_LINK_FARM
  Small PDF contains many clickable external PDF links, mostly clustered on one host. This matches generated SEO/link-farm PDF carriers used to route users into malicious or unwanted-software delivery chains, rather than a normal document citation pattern.
• 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
• 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://jottigo.ru/123?utm_term=apocalypto+full+movie+english+subtitles++mp4 PDF link annotation

  • https://degemojo.weebly.com/uploads/1/3/1/4/131407655/1d1c50cfbb8c52c.pdfIn PDF document text
  • https://vekupaju.weebly.com/uploads/1/3/4/4/134479754/76285cbe87.pdfIn PDF document text
  • https://cdn-cms.f-static.net/uploads/4479675/normal_5fdb277fd1748.pdfIn PDF document text
  • https://cdn-cms.f-static.net/uploads/4453560/normal_6045722b408e5.pdfIn PDF document text
  • https://fezagexagowib.weebly.com/uploads/1/3/5/3/135313062/7998547.pdfIn PDF document text
  • https://cdn-cms.f-static.net/uploads/4460982/normal_600a4fdfc32de.pdfIn PDF document text
  • https://latewumopinigan.weebly.com/uploads/1/3/4/3/134313498/bubajutesiwopa-japezefu-kenuwa.pdfIn PDF document text
  • https://tizukusijevawus.weebly.com/uploads/1/3/4/4/134454617/c1ff245c9d.pdfIn PDF document text
  • https://static.s123-cdn-static.com/uploads/4421342/normal_5fed75054fa3b.pdfIn PDF document text
  • https://cdn-cms.f-static.net/uploads/4379474/normal_603d3426e8584.pdfIn PDF document text
  • https://jasasexu.weebly.com/uploads/1/3/1/1/131163864/kijerakesudip_tekupezu.pdfIn PDF document text
  • http://www.ascendercorp.com/In PDF document text
  • http://www.ascendercorp.com/typedesigners.htmlIn PDF document text
  • https://uploads.strikinglycdn.com/files/e9203ffb-f263-4d34-9b58-c6304a3b240c/nespresso_vertuoline_pump_not_working.pdfIn PDF document text
  • https://uploads.strikinglycdn.com/files/2f83c46d-de10-4149-9617-8ec37103b32c/asus_rt-ac88u_dd-wrt_firmware_download.pdfIn PDF document text
  • https://uploads.strikinglycdn.com/files/8c85ef5a-da21-4c01-8492-6a2234a733bf/shell_alvania_ep2.pdfIn PDF document text
  • https://uploads.strikinglycdn.com/files/e55ea90e-73d5-4a5d-9ff1-d312fce847ea/41614482783.pdfIn PDF document text
  • https://uploads.strikinglycdn.com/files/c2aa0e14-7487-483e-85d3-d04b68149283/61605335126.pdfIn PDF document text
  • https://uploads.strikinglycdn.com/files/e6c81289-de3b-4000-802c-64168ce1b494/canon_mp11dx_calculator_ribbon_replacement.pdfIn PDF document text
  • https://uploads.strikinglycdn.com/files/b7d3a4e8-7440-4a6b-ac66-6bafccb62bc4/how_to_measure_the_least_count_of_vernier_caliper.pdfIn PDF document text
  • https://uploads.strikinglycdn.com/files/ac8a9141-8051-4446-b26e-c84dd6202f59/speak_now_3_teachers_book.pdfIn PDF document text
  • https://uploads.strikinglycdn.com/files/9a0a47a9-2167-4a5a-b3a7-cb68a555b24b/zonadorewinizufawamubu.pdfIn PDF document text
  • 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
  • http://scripts.sil.org/OFLIn PDF document text

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