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.me/123?keyword=css+layout+tutorial+for+beginners+pdf In PDF document text

  • https://cdn-cms.f-static.net/uploads/4387235/normal_5f8f24ed32e30.pdfIn PDF document text
  • https://cdn-cms.f-static.net/uploads/4403688/normal_5f93098f604cc.pdfIn PDF document text
  • https://cdn-cms.f-static.net/uploads/4374983/normal_5f9017af05d0f.pdfIn PDF document text
  • https://cdn-cms.f-static.net/uploads/4366959/normal_5f9343f518474.pdfIn PDF document text
  • https://bedizegoresupa.weebly.com/uploads/1/3/1/3/131379398/bewomo.pdfIn PDF document text
  • https://punadojum.weebly.com/uploads/1/3/2/6/132680976/gowonavigevezik.pdfIn PDF document text
  • https://femitinekabel.weebly.com/uploads/1/3/1/4/131437683/fetotuxuwimi-vokurakemusuter-simuwore.pdfIn PDF document text
  • https://guzebiba.weebly.com/uploads/1/3/4/3/134368687/4914491.pdfIn PDF document text
  • https://cdn-cms.f-static.net/uploads/4393515/normal_5f9497e0428f6.pdfIn PDF document text
  • https://cdn-cms.f-static.net/uploads/4377380/normal_5f9016408847f.pdfIn PDF document text
  • https://cdn-cms.f-static.net/uploads/4381095/normal_5f8d75758586f.pdfIn PDF document text
  • https://cdn-cms.f-static.net/uploads/4391317/normal_5f8eeb4f738c6.pdfIn PDF document text
  • https://dimaxafazeza.weebly.com/uploads/1/3/1/4/131453031/8767144.pdfIn PDF document text
  • https://fuparududewon.weebly.com/uploads/1/3/1/8/131856041/96c09c94888.pdfIn PDF document text
  • http://www.ascendercorp.com/In extracted file (font_00_sfnt_off00008c69.bin)
  • http://www.ascendercorp.com/typedesigners.htmlIn extracted file (font_00_sfnt_off00008c69.bin)
  • https://s3.amazonaws.com/wupixufekijax/cancun_map.pdfIn PDF document text
  • https://s3.amazonaws.com/vipinib/edital_concurso_prf_2018.pdfIn PDF document text
  • https://s3.amazonaws.com/biwubeleba/71385748339.pdfIn PDF document text
  • https://s3.amazonaws.com/rujabepifar/ebook_reader_fr_eigene_dateien.pdfIn PDF document text
  • https://s3.amazonaws.com/tadovu/list_of_adverbs_in_english_and_french.pdfIn PDF document text
  • https://uploads.strikinglycdn.com/files/134ae0af-c6c7-4275-8724-87a5c0998deb/85536448971.pdfIn PDF document text
  • https://uploads.strikinglycdn.com/files/f5a0fa6f-6218-4392-a42a-e00c56a3f4af/19590626283.pdfIn PDF document text
  • https://uploads.strikinglycdn.com/files/21a46cc5-8c53-4c4a-ac29-431685143f39/divedunoxujasekoroligobuk.pdfIn PDF document text
  • https://uploads.strikinglycdn.com/files/c552e50d-5d0c-4237-b3bd-d270bae7279b/27677245776.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_off00008c69.bin)

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