Malicious PDF — malware analysis report

Heuristics 4

• 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 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/wb?keyword=types%20of%20cyberbullying In PDF document text

  • https://jakedekokobara.weebly.com/uploads/1/3/1/3/131381480/0cbd7f35736ab.pdfIn PDF document text
  • https://jamuseramomuf.weebly.com/uploads/1/3/1/8/131871426/0ae43.pdfIn PDF document text
  • https://jazexupojofon.weebly.com/uploads/1/3/1/4/131409098/rawuzojo.pdfIn PDF document text
  • https://xepajozojiv.weebly.com/uploads/1/3/4/4/134476610/7740412.pdfIn PDF document text
  • https://pepisukuwen.weebly.com/uploads/1/3/1/6/131606293/pazopenatizot.pdfIn PDF document text
  • https://tivakoxidedopa.weebly.com/uploads/1/3/0/7/130776298/4334095.pdfIn PDF document text
  • http://www.ascendercorp.com/In extracted file (font_00_sfnt_off00006149.bin)
  • http://www.ascendercorp.com/typedesigners.htmlIn extracted file (font_00_sfnt_off00006149.bin)
  • https://uploads.strikinglycdn.com/files/e0a62376-e78d-4347-863b-0304aa361be2/lirobifivezo.pdfIn PDF document text
  • https://s3.amazonaws.com/panalipolifod/borderlands_2_legendary_sniper.pdfIn PDF document text
  • https://uploads.strikinglycdn.com/files/b9cd7c2f-9947-45dd-9d80-7b0d478b7ebd/40165861321.pdfIn PDF document text
  • https://uploads.strikinglycdn.com/files/36df6e3d-6a38-4b58-bf71-82608ac30a4f/vujopilofezeja.pdfIn PDF document text
  • https://uploads.strikinglycdn.com/files/02844ae7-9068-4d63-a1c8-bd76a978b78c/vogiritonan.pdfIn PDF document text
  • https://uploads.strikinglycdn.com/files/8ea0cec7-54af-4e07-bbfc-8c8ec560ea69/maketizanu.pdfIn PDF document text
  • https://uploads.strikinglycdn.com/files/25274055-5437-4c09-8c9e-695945298ee6/55786003184.pdfIn PDF document text
  • https://s3.amazonaws.com/gedimuta/90619072050.pdfIn PDF document text
  • https://uploads.strikinglycdn.com/files/31bdc74c-745c-44fd-8069-deede17fa6d1/4302683082.pdfIn PDF document text
  • https://s3.amazonaws.com/gupuso/ielts_speaking_sample_answers_band_9_2019.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_off00006149.bin)

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