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/123?keyword=queens+high+school+jamaica+uniform In PDF document text

  • https://cdn-cms.f-static.net/uploads/4367650/normal_5f8f21f1e5184.pdfIn PDF document text
  • https://cdn-cms.f-static.net/uploads/4379722/normal_5f9761f61dc64.pdfIn PDF document text
  • https://cdn-cms.f-static.net/uploads/4381294/normal_5f91ffad06e0f.pdfIn PDF document text
  • https://tubenuluni.weebly.com/uploads/1/3/1/4/131437864/9898247.pdfIn PDF document text
  • https://dirigesibujov.weebly.com/uploads/1/3/0/9/130969991/9179088.pdfIn PDF document text
  • https://vixeroniwemeful.weebly.com/uploads/1/3/0/7/130740086/66a3629566a1.pdfIn PDF document text
  • https://jelamiwigu.weebly.com/uploads/1/3/1/3/131382248/009f684.pdfIn PDF document text
  • http://www.ascendercorp.com/In extracted file (font_00_sfnt_off000068a1.bin)
  • http://www.ascendercorp.com/typedesigners.htmlIn extracted file (font_00_sfnt_off000068a1.bin)
  • https://s3.amazonaws.com/litunux/aida_model_in_marketing_communication.pdfIn PDF document text
  • https://s3.amazonaws.com/zetare/gelirik.pdfIn PDF document text
  • https://uploads.strikinglycdn.com/files/7e973364-42cf-4150-9c28-9d64d324be8d/bujiji.pdfIn PDF document text
  • https://uploads.strikinglycdn.com/files/6a7f5cd7-1cd9-431b-9a1d-fb352bd52c4b/libupadotodewadeturut.pdfIn PDF document text
  • https://uploads.strikinglycdn.com/files/334d78c5-b90f-494e-aa84-f5264823dd1c/ms_leung_math.pdfIn PDF document text
  • https://uploads.strikinglycdn.com/files/758674e0-a512-4d8d-838d-1cd1adf93b40/13684442159.pdfIn PDF document text
  • https://uploads.strikinglycdn.com/files/929ea06f-dd6a-4cae-a7f9-c1de5c03f4eb/17696962632.pdfIn PDF document text
  • https://uploads.strikinglycdn.com/files/c97a8a1b-c6fb-41a6-af67-30e9e65951a0/csgo_copy_pasta.pdfIn PDF document text
  • https://uploads.strikinglycdn.com/files/2d3515dc-e81f-4cce-913e-ccf9d8d9d4a9/15843046487.pdfIn PDF document text
  • https://uploads.strikinglycdn.com/files/81358ac9-34b3-4ece-bd82-bae1fed49db0/xeniwinupadovotitunaso.pdfIn PDF document text
  • https://cdn.shopify.com/s/files/1/0499/2945/3737/files/57247387718.pdfIn PDF document text
  • https://cdn.shopify.com/s/files/1/0438/9755/3064/files/45247306860.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_off000068a1.bin)

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