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://trafftec.ru/123?keyword=mario+crossover+4+unblocked+at+school PDF link annotation

  • https://korumarivaz.weebly.com/uploads/1/3/4/5/134506991/62e53800d2311.pdfIn PDF document text
  • https://wubawujol.weebly.com/uploads/1/3/4/2/134266052/5054570.pdfIn PDF document text
  • https://nuwaruwavup.weebly.com/uploads/1/3/4/3/134362645/810346.pdfIn PDF document text
  • https://dunidapakepew.weebly.com/uploads/1/3/4/3/134319263/velodumijapow-makop.pdfIn PDF document text
  • https://lulitetuxopibol.weebly.com/uploads/1/3/1/1/131164377/kilaruvakix.pdfIn PDF document text
  • https://revanesowokaw.weebly.com/uploads/1/3/4/6/134652238/73ead19d119b7c.pdfIn PDF document text
  • https://vovaderinikuxu.weebly.com/uploads/1/3/4/5/134528816/fudofopelur-juwefuravow-natazoje.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://gogelexu.files.wordpress.com/2020/11/minimax_s45_bandsaw_manual.pdfIn PDF document text
  • https://gepizufisetu.files.wordpress.com/2020/11/32472101840.pdfIn PDF document text
  • https://zivalivibe.files.wordpress.com/2020/11/jill_yousef_murder_colorado_springs.pdfIn PDF document text
  • https://jasobegofur.files.wordpress.com/2020/11/59081267319.pdfIn PDF document text
  • https://zugagasegoza.files.wordpress.com/2020/11/reasons_for_indirect_rule.pdfIn PDF document text
  • https://s3.amazonaws.com/sabobenuwe/outlook_computer_definition.pdfIn PDF document text
  • https://gorujugiximu.files.wordpress.com/2020/11/karipevo.pdfIn PDF document text
  • https://saxogaz.files.wordpress.com/2020/11/40303583913.pdfIn PDF document text
  • https://wixisodek.files.wordpress.com/2020/11/rozemow.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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