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://ggtraff.ru/aws?keyword=software+project+survival+guide+pdf In PDF document text

  • https://cdn-cms.f-static.net/uploads/4369903/normal_5f98865dd47f7.pdfIn PDF document text
  • https://terowibew.weebly.com/uploads/1/3/4/3/134370771/2676503.pdfIn PDF document text
  • https://cdn-cms.f-static.net/uploads/4368977/normal_5f8a108e725fc.pdfIn PDF document text
  • https://cdn-cms.f-static.net/uploads/4370270/normal_5f8a95c0783c4.pdfIn PDF document text
  • https://kasukironumasex.weebly.com/uploads/1/3/1/4/131454791/2173021.pdfIn PDF document text
  • https://cdn-cms.f-static.net/uploads/4384299/normal_5f8e4c090cd94.pdfIn PDF document text
  • https://cdn-cms.f-static.net/uploads/4368494/normal_5f87b4777bc35.pdfIn PDF document text
  • https://moguvikob.weebly.com/uploads/1/3/0/8/130874292/vefomizudilovi-fidomupur-xomivanuni-gekaxunuzitegij.pdfIn PDF document text
  • https://cdn-cms.f-static.net/uploads/4366369/normal_5f87c149334b7.pdfIn PDF document text
  • https://cdn-cms.f-static.net/uploads/4367271/normal_5f9373732036c.pdfIn PDF document text
  • https://cdn-cms.f-static.net/uploads/4365545/normal_5f8db3eebdf5f.pdfIn PDF document text
  • https://tubenuluni.weebly.com/uploads/1/3/1/4/131437864/7a471cc190.pdfIn PDF document text
  • https://cdn-cms.f-static.net/uploads/4368972/normal_5f959757dec51.pdfIn PDF document text
  • https://cdn-cms.f-static.net/uploads/4412408/normal_5f951bb304d83.pdfIn PDF document text
  • https://cdn-cms.f-static.net/uploads/4412592/normal_5f99961438317.pdfIn PDF document text
  • https://cdn-cms.f-static.net/uploads/4379982/normal_5f912d3fe0f75.pdfIn PDF document text
  • https://wumunelopilum.weebly.com/uploads/1/3/4/3/134395902/8c425b15.pdfIn PDF document text
  • https://lerelapukuvi.weebly.com/uploads/1/3/0/7/130740054/1490928.pdfIn PDF document text
  • https://cdn-cms.f-static.net/uploads/4376125/normal_5f89cbfb6f164.pdfIn PDF document text
  • https://cdn-cms.f-static.net/uploads/4375509/normal_5f8fd6426e72f.pdfIn PDF document text
  • https://cdn-cms.f-static.net/uploads/4366989/normal_5f872a3bd16db.pdfIn PDF document text
  • http://www.ascendercorp.com/In extracted file (font_00_sfnt_off00006a8e.bin)
  • http://www.ascendercorp.com/typedesigners.htmlIn extracted file (font_00_sfnt_off00006a8e.bin)
  • https://uploads.strikinglycdn.com/files/50d4442b-56a0-4701-b96d-fe7a78e12769/vizepelowipebuw.pdfIn PDF document text
  • https://uploads.strikinglycdn.com/files/1b5db084-c3da-4da2-97ac-17edb2380e43/lubudoxinijobejefuta.pdfIn PDF document text
  • https://uploads.strikinglycdn.com/files/4564b594-706d-4f44-91a2-889f696c018c/jafudavil.pdfIn PDF document text
  • https://uploads.strikinglycdn.com/files/5ae4afd4-61c9-475c-ad8c-48ee4dab3405/89955966282.pdfIn PDF document text
  • https://uploads.strikinglycdn.com/files/93ff4503-5687-440a-9eea-4cd9f0be4549/rizezudemop.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_off00006a8e.bin)

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