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.
• Password-protected archive handoff high SE_PASSWORD_ARCHIVE_LURE
  Document gives password instructions for an archive or attachment — often used to keep payloads encrypted until after gateway scanning
• 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=livro+em+pdf+os+axiomas+de+zurique In PDF document text

  • https://cdn-cms.f-static.net/uploads/4375889/normal_5f90745e15214.pdfIn PDF document text
  • https://cdn-cms.f-static.net/uploads/4365628/normal_5f8724a88ef2e.pdfIn PDF document text
  • https://cdn-cms.f-static.net/uploads/4368984/normal_5f87cc859faf6.pdfIn PDF document text
  • https://cdn-cms.f-static.net/uploads/4367643/normal_5f8b1517892da.pdfIn PDF document text
  • https://rozazokosu.weebly.com/uploads/1/3/0/8/130813972/af3357cde.pdfIn PDF document text
  • https://dubutabinagi.weebly.com/uploads/1/3/4/4/134441981/muzuzigajew.pdfIn PDF document text
  • https://bonujuvab.weebly.com/uploads/1/3/2/7/132740321/matalatafibedibe.pdfIn PDF document text
  • https://rimesozarabef.weebly.com/uploads/1/3/1/6/131607712/fcc9110a3.pdfIn PDF document text
  • https://cdn-cms.f-static.net/uploads/4367950/normal_5f887a11bbc9f.pdfIn PDF document text
  • https://cdn-cms.f-static.net/uploads/4365580/normal_5f87155fc62eb.pdfIn PDF document text
  • https://cdn-cms.f-static.net/uploads/4392462/normal_5f90d643094b2.pdfIn PDF document text
  • https://cdn-cms.f-static.net/uploads/4386365/normal_5f910632aef1a.pdfIn PDF document text
  • https://rabugotekinevod.weebly.com/uploads/1/3/1/8/131871666/jomamusenaxitejipad.pdfIn PDF document text
  • https://kiroteveve.weebly.com/uploads/1/3/4/3/134378898/9688a674.pdfIn PDF document text
  • https://kuvejepi.weebly.com/uploads/1/3/4/4/134452054/zunesanuxagax_relejo_xotixif.pdfIn PDF document text
  • https://sokuvotaboraj.weebly.com/uploads/1/3/0/7/130776263/rudinaxe.pdfIn PDF document text
  • https://dojifidixiwaji.weebly.com/uploads/1/3/4/3/134372722/suvukoneves-wufujovaxojot.pdfIn PDF document text
  • https://cdn-cms.f-static.net/uploads/4370989/normal_5f8ce129bedc7.pdfIn PDF document text
  • https://cdn-cms.f-static.net/uploads/4381748/normal_5f8c53044289d.pdfIn PDF document text
  • https://cdn-cms.f-static.net/uploads/4367941/normal_5f8f2ede570d1.pdfIn PDF document text
  • https://cdn-cms.f-static.net/uploads/4388181/normal_5f9351ff935c3.pdfIn PDF document text
  • http://www.ascendercorp.com/In extracted file (font_00_sfnt_off00006c5b.bin)
  • http://www.ascendercorp.com/typedesigners.htmlIn extracted file (font_00_sfnt_off00006c5b.bin)
  • http://www.daltonmaag.com/In extracted file (font_02_sfnt_off0000a38c.bin)
  • https://uploads.strikinglycdn.com/files/5e86dc4c-e64b-47ec-a122-5be05636d259/pojusiwiditogaxuj.pdfIn PDF document text
  • https://uploads.strikinglycdn.com/files/2b4e4f85-05e0-4996-9438-87bf1d0ae790/migigogazisuwitenigule.pdfIn PDF document text
  • https://uploads.strikinglycdn.com/files/2ba0924e-a383-4d85-a455-9029d3c6d6c9/96045051799.pdfIn PDF document text
  • https://uploads.strikinglycdn.com/files/92adea64-4561-4d77-85e6-0ab80be9e689/69631389127.pdfIn PDF document text
  • https://uploads.strikinglycdn.com/files/97cab1bf-b677-4921-8323-570b1a61d9b7/48787153516.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_off00006c5b.bin)

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