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/123?keyword=oi+oy+worksheets+pdf In PDF document text

  • https://lefedatit.weebly.com/uploads/1/3/0/7/130776734/mepusiwaj-laxinukemu-tabidazese.pdfIn PDF document text
  • https://bedizegoresupa.weebly.com/uploads/1/3/1/3/131379398/1696278.pdfIn PDF document text
  • https://jakedekokobara.weebly.com/uploads/1/3/1/3/131381480/fesixukorupu.pdfIn PDF document text
  • https://wofinomedek.weebly.com/uploads/1/3/4/1/134108675/bipikezefivo-nanosupuju-mapakizonumomaz-zofid.pdfIn PDF document text
  • https://mujunoba.weebly.com/uploads/1/3/2/6/132682006/lavodabuki.pdfIn PDF document text
  • https://digafixi.weebly.com/uploads/1/3/0/7/130776371/2040880.pdfIn PDF document text
  • https://pepisukuwen.weebly.com/uploads/1/3/1/6/131606293/pazopenatizot.pdfIn PDF document text
  • https://guwomenod.weebly.com/uploads/1/3/0/8/130873843/pejajofedaxevaw_kozadesupuke.pdfIn PDF document text
  • https://lodirunesu.weebly.com/uploads/1/3/0/8/130874391/8693503.pdfIn PDF document text
  • https://tenabawik.weebly.com/uploads/1/3/2/7/132710661/nanow.pdfIn PDF document text
  • https://cdn-cms.f-static.net/uploads/4373522/normal_5f8a4a73e65db.pdfIn PDF document text
  • https://cdn-cms.f-static.net/uploads/4373504/normal_5f8ed2df5a2a9.pdfIn PDF document text
  • https://cdn-cms.f-static.net/uploads/4375908/normal_5f8aa6db1f67f.pdfIn PDF document text
  • https://cdn-cms.f-static.net/uploads/4392441/normal_5f9655f0088f8.pdfIn PDF document text
  • https://vamekatowozi.weebly.com/uploads/1/3/0/8/130814347/zefoxuzopiduzopif.pdfIn PDF document text
  • https://pepisukuwen.weebly.com/uploads/1/3/1/6/131606293/0fd65f3.pdfIn PDF document text
  • https://nipaxibovaj.weebly.com/uploads/1/3/1/3/131379211/watixidiman.pdfIn PDF document text
  • https://pirizujimo.weebly.com/uploads/1/3/4/4/134454944/pozegunololovoja.pdfIn PDF document text
  • http://www.ascendercorp.com/In extracted file (font_00_sfnt_off000055b8.bin)
  • http://www.ascendercorp.com/typedesigners.htmlIn extracted file (font_00_sfnt_off000055b8.bin)
  • https://uploads.strikinglycdn.com/files/67d25faa-5077-4eec-a82d-e88fcbdf997e/97734123204.pdfIn PDF document text
  • https://uploads.strikinglycdn.com/files/a6d8996a-52d0-4900-9c7f-b389db5f717a/kekilutapizanidabufaz.pdfIn PDF document text
  • https://uploads.strikinglycdn.com/files/82cbd9b3-d308-403a-8186-cb1b3327c4b8/muverufojamepukitogeluj.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_off000055b8.bin)

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