Malicious PDF — malware analysis report

Heuristics 5

• 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 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.
• 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://gettraff.ru/strik?keyword=nba+legends+unblocked In PDF document text

  • https://site-1043091.mozfiles.com/files/1043091/92356447311.pdfIn PDF document text
  • http://files.smbdigitalista.events/uploads/1/3/0/8/130874641/4461953.pdfIn PDF document text
  • http://jonako.glitznglamonline.com/uploads/1/3/1/4/131453870/703e0f7.pdfIn PDF document text
  • http://files.sundance-gsp.com/uploads/1/3/0/7/130775130/3acfb.pdfIn PDF document text
  • http://wejojatut.susanmceramics.com/uploads/1/3/1/3/131379591/4527858.pdfIn PDF document text
  • http://files.thomasstumpf.com/uploads/1/3/1/4/131407565/012063d6ea410ef.pdfIn PDF document text
  • http://fatovemu.nihc.ca/uploads/1/3/2/6/132683138/pezofugamokuk-fabipa-puzejulagog.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/1efd6f2b-c1d7-4911-bdb7-b8675e5e451b/navoribipototitozigifowu.pdfIn PDF document text
  • https://uploads.strikinglycdn.com/files/96da00a4-7ae1-4a27-82ce-13fe72f2fc59/dafababomowit.pdfIn PDF document text
  • https://uploads.strikinglycdn.com/files/8ecc285c-8eee-42f3-9639-fe03e255587b/wemajerebogojidu.pdfIn PDF document text
  • https://uploads.strikinglycdn.com/files/dd3b27ad-8e6b-4f98-adb3-c3488f770ff8/nutibesites.pdfIn PDF document text
  • https://uploads.strikinglycdn.com/files/caaa44ae-c37b-4657-9e43-93d2bf4cbb0b/10135251327.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 PDF document text

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