Malicious PDF — malware analysis report

Heuristics 6

• PDF links to known malicious redirector infrastructure critical PDF_MALICIOUS_REDIRECTOR_LINK
  PDF contains a clickable URI to redirector infrastructure used by a known malicious PDF SEO/adware delivery campaign. These documents typically rely on user interaction and redirect chains rather than a PDF parser vulnerability.
• 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.
• Visual download / call-to-action button lure low SE_DOWNLOAD_BUTTON
  Document contains a call-to-action phrase ('Click here to download', 'Download Now', etc.) — low-signal unless other findings point to a malicious workflow
• 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://ggtraff.ru/strik?keyword=adobe+reader+terbaru+2019+offline+installer In PDF document text

  • https://site-1038548.mozfiles.com/files/1038548/pitesiretipixowi.pdfIn PDF document text
  • https://site-1036635.mozfiles.com/files/1036635/lirirasudikebesu.pdfIn PDF document text
  • https://site-1037057.mozfiles.com/files/1037057/berijasazosoj.pdfIn PDF document text
  • https://site-1037211.mozfiles.com/files/1037211/liwalutedozujexinabupesuk.pdfIn PDF document text
  • https://site-1038890.mozfiles.com/files/1038890/vuniji.pdfIn PDF document text
  • https://site-1038982.mozfiles.com/files/1038982/66805295883.pdfIn PDF document text
  • https://site-1036958.mozfiles.com/files/1036958/kegadaxedavijupide.pdfIn PDF document text
  • http://www.ascendercorp.com/In extracted file (font_00_sfnt_off00005c5b.bin)
  • http://www.ascendercorp.com/typedesigners.htmlIn extracted file (font_00_sfnt_off00005c5b.bin)
  • https://uploads.strikinglycdn.com/files/7dcdf30f-55ee-43cf-823f-a34dd35273db/72159145032.pdfIn PDF document text
  • https://uploads.strikinglycdn.com/files/fbd3cc4a-73be-4a26-8b24-354d8bd5d688/10934778414.pdfIn PDF document text
  • https://uploads.strikinglycdn.com/files/66e57e35-ea2c-4a71-b44e-8f88d237fd5e/37936561768.pdfIn PDF document text
  • https://uploads.strikinglycdn.com/files/7550d822-9651-42a7-aec7-f82b229c47d8/kodid.pdfIn PDF document text
  • https://uploads.strikinglycdn.com/files/54ea926d-c513-40d4-8402-033298ac0e7d/duxapezasi.pdfIn PDF document text
  • https://uploads.strikinglycdn.com/files/d52fb44f-bd3a-4bd8-ab10-adf1f56e22d4/tadinujatatoxefub.pdfIn PDF document text
  • https://uploads.strikinglycdn.com/files/cb7c84b3-93d7-44bf-8c31-fef7a5e2e8da/voritiwuwawafezoxut.pdfIn PDF document text
  • https://uploads.strikinglycdn.com/files/f5519619-2de8-432a-bbfb-073a3f0417be/23853741161.pdfIn PDF document text
  • https://uploads.strikinglycdn.com/files/b342d35e-4ec1-4aec-b911-3946da2aac06/lozevarutigikaw.pdfIn PDF document text
  • https://uploads.strikinglycdn.com/files/f704a682-f8ed-4ff9-b26d-fc8ac20a04c0/76718855601.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://scripts.sil.org/OFLIn extracted file (font_00_sfnt_off00005c5b.bin)

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