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=a+level+biology+coordination+notes+pdf In PDF document text

  • https://jemiwuwavaza.weebly.com/uploads/1/3/0/8/130814288/bibesekukemugedovofa.pdfIn PDF document text
  • https://zizuralozirufu.weebly.com/uploads/1/3/1/4/131483034/1140852.pdfIn PDF document text
  • https://kaxutaxi.weebly.com/uploads/1/3/4/3/134387751/bazus_vegivelokigod_jodot_novite.pdfIn PDF document text
  • https://narogigadi.weebly.com/uploads/1/3/0/8/130874066/307c5d487cb.pdfIn PDF document text
  • https://bujupovira.weebly.com/uploads/1/3/4/4/134472582/vipinipu-jajadujome-wemorini-wafavoputibeba.pdfIn PDF document text
  • https://cdn-cms.f-static.net/uploads/4366385/normal_5f873d98ca1c0.pdfIn PDF document text
  • https://cdn-cms.f-static.net/uploads/4375358/normal_5f89971245d3e.pdfIn PDF document text
  • https://cdn-cms.f-static.net/uploads/4382208/normal_5f8c1bb1a72d8.pdfIn PDF document text
  • https://cdn-cms.f-static.net/uploads/4383450/normal_5f91f6832cc10.pdfIn PDF document text
  • https://kilunifogewawo.weebly.com/uploads/1/3/4/4/134457757/bab553e2386ac.pdfIn PDF document text
  • https://mogilifus.weebly.com/uploads/1/3/0/7/130739831/aa92d.pdfIn PDF document text
  • https://mumixopid.weebly.com/uploads/1/3/1/8/131872042/woxiwevo.pdfIn PDF document text
  • https://cdn-cms.f-static.net/uploads/4365584/normal_5f8c86c6635b4.pdfIn PDF document text
  • https://cdn-cms.f-static.net/uploads/4389127/normal_5f9239952cb96.pdfIn PDF document text
  • https://cdn-cms.f-static.net/uploads/4404124/normal_5f91e3a5b2493.pdfIn PDF document text
  • https://cdn-cms.f-static.net/uploads/4366630/normal_5f875d24d7bec.pdfIn PDF document text
  • https://cdn-cms.f-static.net/uploads/4374520/normal_5f8d061d2002d.pdfIn PDF document text
  • http://www.ascendercorp.com/In extracted file (font_00_sfnt_off00006a8b.bin)
  • http://www.ascendercorp.com/typedesigners.htmlIn extracted file (font_00_sfnt_off00006a8b.bin)
  • https://cdn.shopify.com/s/files/1/0502/8780/4612/files/grupo_social_definicion.pdfIn PDF document text
  • https://cdn.shopify.com/s/files/1/0483/4902/0311/files/zazotolupag.pdfIn PDF document text
  • https://cdn.shopify.com/s/files/1/0484/1016/5416/files/acc_aha_guidelines_hypertension_2020_ppt.pdfIn PDF document text
  • https://cdn.shopify.com/s/files/1/0501/3474/5253/files/misodenajeruto.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_off00006a8b.bin)

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