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.link/pify?keyword=hepatitis+b+guidelines+%25E0%25B9%2584%25E0%25B8%2597%25E0%25B8%25A2 In PDF document text

  • https://site-1037274.mozfiles.com/files/1037274/59126650754.pdfIn PDF document text
  • https://site-1039275.mozfiles.com/files/1039275/70201766671.pdfIn PDF document text
  • https://site-1043245.mozfiles.com/files/1043245/4627196330.pdfIn PDF document text
  • https://keniwuki.weebly.com/uploads/1/3/1/4/131483234/digokasawuj-jipamuputevuf.pdfIn PDF document text
  • https://fijojonibiw.weebly.com/uploads/1/3/2/6/132681787/wirexanusir.pdfIn PDF document text
  • https://zesopupejilit.weebly.com/uploads/1/3/0/7/130738861/bfaf9.pdfIn PDF document text
  • https://fusesekomufe.weebly.com/uploads/1/3/1/6/131606177/ganejezakixetix_vepus.pdfIn PDF document text
  • https://vibebivenef.weebly.com/uploads/1/3/1/4/131412032/171890.pdfIn PDF document text
  • https://cdn-cms.f-static.net/uploads/4366359/normal_5f87c2a4982c3.pdfIn PDF document text
  • https://cdn-cms.f-static.net/uploads/4367005/normal_5f873c6431936.pdfIn PDF document text
  • https://cdn-cms.f-static.net/uploads/4365621/normal_5f86f4f709090.pdfIn PDF document text
  • https://cdn-cms.f-static.net/uploads/4369633/normal_5f883feda90df.pdfIn PDF document text
  • https://cdn-cms.f-static.net/uploads/4369904/normal_5f88b8a89d0a2.pdfIn PDF document text
  • http://www.ascendercorp.com/In extracted file (font_00_sfnt_off00005b52.bin)
  • http://www.ascendercorp.com/typedesigners.htmlIn extracted file (font_00_sfnt_off00005b52.bin)
  • http://www.opentle.orgIn extracted file (font_01_sfnt_off00006bf6.bin)
  • http://www.daltonmaag.com/In extracted file (font_04_sfnt_off0000b04d.bin)
  • https://uploads.strikinglycdn.com/files/46fe10cf-67db-47d0-b451-bf9004bcd330/92851058256.pdfIn PDF document text
  • https://uploads.strikinglycdn.com/files/086efe4e-bdab-4054-914c-2356c81a5ed0/favofegisigopubabitu.pdfIn PDF document text
  • https://uploads.strikinglycdn.com/files/e20379f5-d939-4de1-8bf7-5bcf1ac60049/nomosaxoperegoxotuxub.pdfIn PDF document text
  • https://uploads.strikinglycdn.com/files/f9d9d8a1-f24a-4bfb-b67d-a014c085c6dd/57420019942.pdfIn PDF document text
  • https://uploads.strikinglycdn.com/files/b59bd153-5407-4369-88eb-fdc4a6d08d36/migidobaloremor.pdfIn PDF document text
  • https://uploads.strikinglycdn.com/files/5ee8efe8-4061-445f-b7da-e4f16ddd8982/mivirajagebutemo.pdfIn PDF document text
  • https://uploads.strikinglycdn.com/files/76019422-79c7-4c9c-b4b9-95ff11bd3765/52236153761.pdfIn PDF document text
  • https://uploads.strikinglycdn.com/files/a08b3a43-8534-4038-bc74-a223b8d01772/51628234588.pdfIn PDF document text
  • https://uploads.strikinglycdn.com/files/69e10619-7a29-4e6d-b182-6a535f5853d7/zagofonefivo.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_off00005b52.bin)
  • http://www.gnu.org/licenses/gpl.htmlIn extracted file (font_01_sfnt_off00006bf6.bin)

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