Malicious PDF — malware analysis report

Heuristics 5

• 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.
• External URI info PDF_URI
  PDF contains an external URL action
• 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://traffset.ru/aws?utm_term=taxonomy+definition+information+technology PDF link annotation

  • https://noxurujoba.weebly.com/uploads/1/3/4/3/134384046/nobokilewowupax.pdfIn PDF document text
  • https://static.s123-cdn-static.com/uploads/4461484/normal_5fc9778a4d0ad.pdfIn PDF document text
  • https://betedodokadez.weebly.com/uploads/1/3/4/8/134882186/vegelikesifos.pdfIn PDF document text
  • https://zafimalomaw.weebly.com/uploads/1/3/4/4/134458932/2300667.pdfIn PDF document text
  • https://fiwisito.weebly.com/uploads/1/3/4/7/134715438/fivapob.pdfIn PDF document text
  • https://static.s123-cdn-static.com/uploads/4499341/normal_5fc70579d81d8.pdfIn PDF document text
  • https://movireralu.weebly.com/uploads/1/3/4/8/134879142/fuzadadag.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/de28b38e-5eb4-44bc-8e65-f8415f686f7c/six_minute_solution_primary_passages.pdfIn PDF document text
  • https://uploads.strikinglycdn.com/files/f43b7536-9ef6-4d94-8ea0-fdd230f27d62/ur5u_8780l_reset.pdfIn PDF document text
  • https://uploads.strikinglycdn.com/files/a905b57b-5322-4a84-b8c7-f5ff3475e2aa/rome_total_war_2_guide.pdfIn PDF document text
  • https://uploads.strikinglycdn.com/files/f6d65e55-fa60-4b01-850a-f32a7d0842ed/zupigamurulapu.pdfIn PDF document text
  • https://uploads.strikinglycdn.com/files/1b364227-4367-433f-a970-7acea5113c1a/5065605667.pdfIn PDF document text
  • https://s3.amazonaws.com/juzewojavomofew/long_vowel_words_with_silent_e_worksheets.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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