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.
• 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.
• 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://ttraff.link/123?keyword=question+bank+pdf+gseb In PDF document text

  • https://xifobosakup.weebly.com/uploads/1/3/2/8/132815359/jasati_pemejo_mujepesu.pdfIn PDF document text
  • https://fobopogukigu.weebly.com/uploads/1/3/4/3/134366855/9dece3a7527b9a.pdfIn PDF document text
  • https://jukafubu.weebly.com/uploads/1/3/0/8/130874261/48b9cc2626b8be3.pdfIn PDF document text
  • https://zevigetadafuwun.weebly.com/uploads/1/3/0/9/130969942/5092761.pdfIn PDF document text
  • https://cdn-cms.f-static.net/uploads/4366044/normal_5f86f85a24e01.pdfIn PDF document text
  • https://cdn-cms.f-static.net/uploads/4369487/normal_5f88caee30c4b.pdfIn PDF document text
  • https://cdn-cms.f-static.net/uploads/4366028/normal_5f88ad4f23447.pdfIn PDF document text
  • https://cdn-cms.f-static.net/uploads/4367960/normal_5f8aeb652aaa6.pdfIn PDF document text
  • http://www.ascendercorp.com/In extracted file (font_00_sfnt_off000080df.bin)
  • http://www.ascendercorp.com/typedesigners.htmlIn extracted file (font_00_sfnt_off000080df.bin)
  • http://www.daltonmaag.com/In extracted file (font_02_sfnt_off0000b6e2.bin)
  • https://cdn.shopify.com/s/files/1/0480/7609/5652/files/code_geass_cornelia_voice_actor_english.pdfIn PDF document text
  • https://cdn.shopify.com/s/files/1/0266/8668/5377/files/lamufu.pdfIn PDF document text
  • https://cdn.shopify.com/s/files/1/0505/2986/1816/files/kefipubukor.pdfIn PDF document text
  • https://s3.amazonaws.com/gurowozenupifi/california_map_counties.pdfIn PDF document text
  • https://uploads.strikinglycdn.com/files/ad03b3b3-c582-4069-82bf-7b8fe8eac37b/59413555837.pdfIn PDF document text
  • https://uploads.strikinglycdn.com/files/4f0c5897-9db1-4382-9e20-10cdede2708f/93997870731.pdfIn PDF document text
  • https://uploads.strikinglycdn.com/files/74a6e2ea-cc08-4033-a623-e4e6b39a36a2/pupujaroloradamodiluk.pdfIn PDF document text
  • https://uploads.strikinglycdn.com/files/c740fe49-19fd-4c20-9d79-8b42489e0c2d/kafevagiveluguneroded.pdfIn PDF document text
  • https://uploads.strikinglycdn.com/files/414f9ad8-baac-4e71-b3d9-6b6cf03c5b98/62075669683.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_off000080df.bin)

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