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://ttraff.me/123?keyword=yakima+4+bike+rack+parts In PDF document text

  • https://feliwisinawo.weebly.com/uploads/1/3/1/8/131856919/ridotovawaguwo.pdfIn PDF document text
  • https://lowizozexide.weebly.com/uploads/1/3/0/7/130776176/muradow_xojipiwigoluse_jubapimi.pdfIn PDF document text
  • https://cdn-cms.f-static.net/uploads/4379029/normal_5f93dd2a97eef.pdfIn PDF document text
  • https://sixapinipuso.weebly.com/uploads/1/3/1/3/131384402/5865603.pdfIn PDF document text
  • https://cdn-cms.f-static.net/uploads/4370263/normal_5f97e0195e19a.pdfIn PDF document text
  • https://cdn-cms.f-static.net/uploads/4421471/normal_5f991b166447d.pdfIn PDF document text
  • https://cdn-cms.f-static.net/uploads/4382782/normal_5f8be54c244ec.pdfIn PDF document text
  • https://girenofozajete.weebly.com/uploads/1/3/4/4/134476001/a130763e810b.pdfIn PDF document text
  • https://mupibidegupek.weebly.com/uploads/1/3/0/8/130874042/jenefemafawal.pdfIn PDF document text
  • https://vegilirebaj.weebly.com/uploads/1/3/1/0/131070576/8876174.pdfIn PDF document text
  • https://mesipaku.weebly.com/uploads/1/3/1/3/131383407/nisobepo-dumilevuvini-legime.pdfIn PDF document text
  • https://cdn-cms.f-static.net/uploads/4386334/normal_5f942aa8e3586.pdfIn PDF document text
  • http://www.ascendercorp.com/In extracted file (font_01_sfnt_off00009a6f.bin)
  • http://www.ascendercorp.com/typedesigners.htmlIn extracted file (font_01_sfnt_off00009a6f.bin)
  • https://s3.amazonaws.com/susopuzupure/13346035903.pdfIn PDF document text
  • https://uploads.strikinglycdn.com/files/c8afdcf8-f168-467e-bdc0-bc520a05c381/77857410748.pdfIn PDF document text
  • https://uploads.strikinglycdn.com/files/e5ae531d-492a-4b52-be27-99959c8182b4/33485701991.pdfIn PDF document text
  • https://s3.amazonaws.com/zetare/43976749295.pdfIn PDF document text
  • https://uploads.strikinglycdn.com/files/2db2b399-87c4-4636-81b3-108094179d75/test_de_thurstone_para_imprimir.pdfIn PDF document text
  • https://uploads.strikinglycdn.com/files/383d71e0-c6e2-4639-b65c-3c7379cbf5d5/78281901352.pdfIn PDF document text
  • https://uploads.strikinglycdn.com/files/9d800074-8736-4564-b396-23855ec7a394/vubiforatiledojonivawuzom.pdfIn PDF document text
  • https://uploads.strikinglycdn.com/files/e98aff7c-c8e1-4cad-b4f3-c75e033afd4b/96521417658.pdfIn PDF document text
  • https://uploads.strikinglycdn.com/files/e84b9318-2cdb-4e57-981b-cf25b2e738cc/linear_algebra_friedberg_5th_edition.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_01_sfnt_off00009a6f.bin)

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