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://trafffi.ru/aws?keyword=multi+digit+multiplication+test PDF link annotation

  • https://botubadixebom.weebly.com/uploads/1/3/1/4/131407995/vujim_letewupifokuf_kimumegugazeva_rapiv.pdfIn PDF document text
  • https://diziwupufetut.weebly.com/uploads/1/3/4/4/134477772/656d9b.pdfIn PDF document text
  • https://tedinuvade.weebly.com/uploads/1/3/4/3/134348171/medevenesowezut.pdfIn PDF document text
  • https://kogamawuxeg.weebly.com/uploads/1/3/4/5/134581879/5257788.pdfIn PDF document text
  • https://vilukenuxe.weebly.com/uploads/1/3/2/8/132814007/8b0498.pdfIn PDF document text
  • https://wetuxabo.weebly.com/uploads/1/3/0/8/130873937/6677827.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/09e832c3-d2d7-4f07-b485-ee1d00067022/aq_overlord_set_map.pdfIn PDF document text
  • https://xefixexu.files.wordpress.com/2020/11/lowajapasajanivasasu.pdfIn PDF document text
  • https://lugukanit.files.wordpress.com/2020/11/rizupuduvebiko.pdfIn PDF document text
  • https://uploads.strikinglycdn.com/files/b91854df-7b20-43a2-8c47-846b14aee0bc/33483746224.pdfIn PDF document text
  • https://uploads.strikinglycdn.com/files/dfc5b4a8-a7b4-4d21-be7f-97cfbed179c7/vojusebokun.pdfIn PDF document text
  • https://munakuwujeju.files.wordpress.com/2020/11/tobifoxedobaxovedajov.pdfIn PDF document text
  • https://nofagixonuva.files.wordpress.com/2020/11/76944399871.pdfIn PDF document text
  • https://uploads.strikinglycdn.com/files/399befc9-9e50-442d-8689-03f5636e3039/kozobivaposovitozel.pdfIn PDF document text
  • https://sebuwisawos.files.wordpress.com/2020/11/fipupojuretis.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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