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=uu+ite+11+2020+pdf In PDF document text

  • https://cdn-cms.f-static.net/uploads/4370063/normal_5f8c1a1b57b70.pdfIn PDF document text
  • https://cdn-cms.f-static.net/uploads/4366633/normal_5f87e6d12762e.pdfIn PDF document text
  • https://cdn-cms.f-static.net/uploads/4366306/normal_5f870f33cb755.pdfIn PDF document text
  • https://cdn-cms.f-static.net/uploads/4366312/normal_5f8724a6a5db6.pdfIn PDF document text
  • https://cdn-cms.f-static.net/uploads/4383451/normal_5f8be07327380.pdfIn PDF document text
  • https://cdn-cms.f-static.net/uploads/4377647/normal_5f8d6adbd6a1a.pdfIn PDF document text
  • https://cdn-cms.f-static.net/uploads/4367668/normal_5f8d40d89146a.pdfIn PDF document text
  • https://tiposowa.weebly.com/uploads/1/3/1/1/131164246/8499582.pdfIn PDF document text
  • https://xumogimunosu.weebly.com/uploads/1/3/1/6/131607683/8320e8e68f2fd3c.pdfIn PDF document text
  • https://vikumeniwexawud.weebly.com/uploads/1/3/0/9/130969440/4cefac5a.pdfIn PDF document text
  • https://kagilovudugavap.weebly.com/uploads/1/3/1/1/131164538/cb2f1dd.pdfIn PDF document text
  • https://worobewunit.weebly.com/uploads/1/3/1/4/131406731/d4ee4afbebcb.pdfIn PDF document text
  • https://cdn-cms.f-static.net/uploads/4366024/normal_5f873d1e014db.pdfIn PDF document text
  • https://cdn-cms.f-static.net/uploads/4368467/normal_5f8d45b610d08.pdfIn PDF document text
  • http://www.ascendercorp.com/In PDF document text
  • http://www.ascendercorp.com/typedesigners.htmlIn PDF document text
  • https://uploads.strikinglycdn.com/files/b3ec9b0e-0883-4b87-9eef-d973a1fe9b30/sujezozejig.pdfIn PDF document text
  • https://uploads.strikinglycdn.com/files/0adf706b-0f96-4f69-9155-4d2189ffd1b3/55188733430.pdfIn PDF document text
  • https://uploads.strikinglycdn.com/files/a86ffb62-71d4-41d2-b666-bf8476238f0c/bejejenivamuxi.pdfIn PDF document text
  • https://cdn.shopify.com/s/files/1/0483/7326/8633/files/suing_a_judge_for_bias.pdfIn PDF document text
  • https://cdn.shopify.com/s/files/1/0488/0623/2229/files/dimetuxuwawavefigaz.pdfIn PDF document text
  • https://cdn.shopify.com/s/files/1/0486/2820/3678/files/27222713358.pdfIn PDF document text
  • https://cdn.shopify.com/s/files/1/0493/4254/6079/files/voices_carry_ringtone.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 PDF document text

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