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://cctraff.ru/aws?keyword=sultans+of+swing+drum+sheet+music+pdf In PDF document text

  • https://cdn-cms.f-static.net/uploads/4393188/normal_5f9187760ff28.pdfIn PDF document text
  • https://cdn-cms.f-static.net/uploads/4413361/normal_5f9585c27855d.pdfIn PDF document text
  • https://cdn-cms.f-static.net/uploads/4409256/normal_5f951dd7e470b.pdfIn PDF document text
  • https://cdn-cms.f-static.net/uploads/4379241/normal_5f91d9405ef09.pdfIn PDF document text
  • https://cdn-cms.f-static.net/uploads/4388178/normal_5f93ac1809600.pdfIn PDF document text
  • https://jufukakoxojopop.weebly.com/uploads/1/3/4/3/134317893/f67a6dc3c5.pdfIn PDF document text
  • https://rozolabo.weebly.com/uploads/1/3/0/8/130814594/9807867.pdfIn PDF document text
  • https://wajiresejepo.weebly.com/uploads/1/3/0/7/130774962/fatafanutojor.pdfIn PDF document text
  • https://mijelowiwiloz.weebly.com/uploads/1/3/1/1/131163856/1818420.pdfIn PDF document text
  • https://fopimakalegej.weebly.com/uploads/1/3/0/7/130738542/wunit.pdfIn PDF document text
  • http://www.ascendercorp.com/In extracted file (font_00_sfnt_off000054a5.bin)
  • http://www.ascendercorp.com/typedesigners.htmlIn extracted file (font_00_sfnt_off000054a5.bin)
  • https://s3.amazonaws.com/dozuga/nidogebajavokogujex.pdfIn PDF document text
  • https://s3.amazonaws.com/fulosobezur/lesujofo.pdfIn PDF document text
  • https://s3.amazonaws.com/litunux/5545346270.pdfIn PDF document text
  • https://s3.amazonaws.com/gupuso/bewiloj.pdfIn PDF document text
  • https://cdn.shopify.com/s/files/1/0464/6948/0600/files/sunex_tool_cart_review.pdfIn PDF document text
  • https://cdn.shopify.com/s/files/1/0497/2783/2221/files/heart_and_soul_book.pdfIn PDF document text
  • https://cdn.shopify.com/s/files/1/0483/0540/6115/files/45974606675.pdfIn PDF document text
  • https://cdn.shopify.com/s/files/1/0479/0081/9622/files/student_exploration_hurricane_motion_gizmo_answer_key.pdfIn PDF document text
  • https://cdn.shopify.com/s/files/1/0432/0693/4688/files/wutakusalubag.pdfIn PDF document text
  • https://uploads.strikinglycdn.com/files/3b7dba0a-a7e3-4a1c-b59f-15e05a1ce7dd/11059972410.pdfIn PDF document text
  • https://uploads.strikinglycdn.com/files/eadb6535-4d83-4d8c-8999-4f3dbf52d862/zevemunin.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_off000054a5.bin)

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