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.club/wix?keyword=hitchhiker%2527s+guide+to+the+galaxy+earth+computer In PDF document text

  • http://watososa.samarbetsbolaget.com/uploads/1/3/1/3/131380485/puxuliraxetijivid.pdfIn PDF document text
  • http://kenug.affordabletherapytoronto.com/uploads/1/3/2/7/132740836/vowaxowemipaku-leruvibuzegi.pdfIn PDF document text
  • http://files.mthomesandland.com/uploads/1/3/2/6/132681264/3495588.pdfIn PDF document text
  • http://sitijema.greenhaughprimaryschool.co.uk/uploads/1/3/0/8/130874320/gilofobiga-lepuriwofex.pdfIn PDF document text
  • http://www.ascendercorp.com/In PDF document text
  • http://www.ascendercorp.com/typedesigners.htmlIn PDF document text
  • http://www.daltonmaag.com/In PDF document text
  • https://6f065d4a-79da-4ad4-84f8-933d0804f3ae.filesusr.com/ugd/5aec95_72393ba94611484396f52b58c1948263.pdf?index=trueIn PDF document text
  • https://407ca7d9-10b3-4d9d-a150-49a7a3c732bc.filesusr.com/ugd/9a242c_a5386d984f194695b3d1cbba61555212.pdf?index=trueIn PDF document text
  • https://8325795c-8464-4909-9ef4-97f28b7f7ca6.filesusr.com/ugd/01e791_637cdc68e54c4ccd84025c3b9ef75a2e.pdf?index=trueIn PDF document text
  • https://c51ac610-e374-4361-9c85-fcfc0ac8f1eb.filesusr.com/ugd/cd81e9_7553b9e8bd844d958cc0df00bc7895d1.pdf?index=trueIn PDF document text
  • https://7952c21d-19e2-4980-a180-d888deb084d1.filesusr.com/ugd/b916f4_41700c7152b6453199f2680e9348c0fb.pdf?index=trueIn PDF document text
  • https://cdn.shopify.com/s/files/1/0433/0687/7080/files/ginowojero.pdfIn PDF document text
  • https://cdn.shopify.com/s/files/1/0435/2009/8472/files/ponosirovuja.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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