Malicious PDF — malware analysis report

Heuristics 4

• 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.
• 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.
• 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://cctraff.ru/strik?keyword=marketing+information+system+pdf+notes In PDF document text

  • https://site-1036818.mozfiles.com/files/1036818/wemuwuta.pdfIn PDF document text
  • https://site-1036695.mozfiles.com/files/1036695/88479153637.pdfIn PDF document text
  • https://site-1036684.mozfiles.com/files/1036684/67179711974.pdfIn PDF document text
  • https://site-1037103.mozfiles.com/files/1037103/xoxipinaf.pdfIn PDF document text
  • https://site-1037121.mozfiles.com/files/1037121/49351050016.pdfIn PDF document text
  • https://site-1037844.mozfiles.com/files/1037844/namelemula.pdfIn PDF document text
  • https://site-1036880.mozfiles.com/files/1036880/zefabasipotekatiwav.pdfIn PDF document text
  • https://site-1036681.mozfiles.com/files/1036681/gelajogedun.pdfIn PDF document text
  • http://www.ascendercorp.com/In extracted file (font_00_sfnt_off0000a0f9.bin)
  • http://www.ascendercorp.com/typedesigners.htmlIn extracted file (font_00_sfnt_off0000a0f9.bin)
  • https://uploads.strikinglycdn.com/files/7ed4be5a-d629-4db9-96c1-f20249e4b94b/gudikomoduxubofuwu.pdfIn PDF document text
  • https://uploads.strikinglycdn.com/files/3e99327f-a251-481e-91ef-6e80f9da8e83/konerito.pdfIn PDF document text
  • https://uploads.strikinglycdn.com/files/f7feb318-805d-404e-8ca6-183b7158cd4d/kuvulukan.pdfIn PDF document text
  • https://uploads.strikinglycdn.com/files/20662fca-ae5f-4003-9eed-26614794ed18/42580143354.pdfIn PDF document text
  • https://uploads.strikinglycdn.com/files/518e2d6e-2675-40bd-92e7-361fa250ace3/lukaru.pdfIn PDF document text
  • https://uploads.strikinglycdn.com/files/d7e1a98e-a789-4a12-b778-ecb4e03f098e/fogilubiwut.pdfIn PDF document text
  • https://uploads.strikinglycdn.com/files/72ca6d48-1445-41b2-9adb-2066309747cf/lomugazefadarotudixak.pdfIn PDF document text
  • https://uploads.strikinglycdn.com/files/02a8d424-2773-49a8-a46f-7ada3ba8facb/vevemapedadusireluzuris.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_off0000a0f9.bin)

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