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://cctraff.ru/aws?keyword=apply+yourself+to+reading+and+teaching+pdf In PDF document text

  • https://rowidonisobixi.weebly.com/uploads/1/3/4/3/134374630/0a262e31.pdfIn PDF document text
  • https://bedizegoresupa.weebly.com/uploads/1/3/1/3/131379398/zanazanekoxel.pdfIn PDF document text
  • https://kubupukadumu.weebly.com/uploads/1/3/1/3/131382740/aefb210dfc2a69.pdfIn PDF document text
  • https://vuxozajuje.weebly.com/uploads/1/3/1/3/131379873/debizikirapanas.pdfIn PDF document text
  • https://mufalugibesenu.weebly.com/uploads/1/3/1/4/131453255/zodafapinizu.pdfIn PDF document text
  • https://buziratefe.weebly.com/uploads/1/3/4/3/134354065/3797742.pdfIn PDF document text
  • https://zavisedifigi.weebly.com/uploads/1/3/4/3/134316550/namojoxo.pdfIn PDF document text
  • https://wajiresejepo.weebly.com/uploads/1/3/0/7/130774962/nasibexuti.pdfIn PDF document text
  • https://xipunozelizu.weebly.com/uploads/1/3/1/3/131382486/kovojoxokisima.pdfIn PDF document text
  • https://dafebifu.weebly.com/uploads/1/3/4/3/134399244/wapagofat_razezutap_gekowimijetigox_bemezofafew.pdfIn PDF document text
  • https://cdn-cms.f-static.net/uploads/4365662/normal_5f888879256d3.pdfIn PDF document text
  • https://cdn-cms.f-static.net/uploads/4369304/normal_5f8a1d79edac2.pdfIn PDF document text
  • https://cdn-cms.f-static.net/uploads/4371261/normal_5f89196084627.pdfIn PDF document text
  • https://cdn-cms.f-static.net/uploads/4382420/normal_5f903b73d3f91.pdfIn PDF document text
  • https://cdn-cms.f-static.net/uploads/4366306/normal_5f8736f117b23.pdfIn PDF document text
  • https://cdn-cms.f-static.net/uploads/4366331/normal_5f87465ecb485.pdfIn PDF document text
  • https://cdn-cms.f-static.net/uploads/4378606/normal_5f8a2698d59e3.pdfIn PDF document text
  • https://cdn-cms.f-static.net/uploads/4372355/normal_5f8cf006d2cd7.pdfIn PDF document text
  • http://www.ascendercorp.com/In extracted file (font_00_sfnt_off00008535.bin)
  • http://www.ascendercorp.com/typedesigners.htmlIn extracted file (font_00_sfnt_off00008535.bin)
  • https://s3.amazonaws.com/henghuili-files2/biology_book_11th_class.pdfIn PDF document text
  • https://s3.amazonaws.com/lewuli/bsc_1st_year_zoology_syllabus.pdfIn PDF document text
  • https://s3.amazonaws.com/petikamov/border_definition.pdfIn PDF document text
  • https://s3.amazonaws.com/zuxadol/zamudumubiritijudobun.pdfIn PDF document text
  • https://s3.amazonaws.com/sajatesawodiji/6083140760.pdfIn PDF document text
  • https://uploads.strikinglycdn.com/files/15f7848d-ef7d-4602-ba67-371d92d9982b/mapizunoloxofuvowo.pdfIn PDF document text
  • https://uploads.strikinglycdn.com/files/48144c1f-b7ed-4595-8791-5be3cf5e42ed/55711705619.pdfIn PDF document text
  • https://uploads.strikinglycdn.com/files/63f164f6-5515-4c1c-82cb-3663d78ea727/the_sign_of_the_beaver.pdfIn PDF document text
  • https://uploads.strikinglycdn.com/files/7590a32c-1bf3-42de-9287-491bc238bc3b/hidruro_de_cromo.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_off00008535.bin)

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