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/strik?keyword=how+to+draw+in+microsoft+word+2013 In PDF document text

  • https://kuromazu.weebly.com/uploads/1/3/2/6/132695519/3f5f1f5bc36cd9.pdfIn PDF document text
  • https://cdn-cms.f-static.net/uploads/4374517/normal_5f8cb028dd8e6.pdfIn PDF document text
  • https://cdn-cms.f-static.net/uploads/4379719/normal_5f8f223078f1c.pdfIn PDF document text
  • https://cdn-cms.f-static.net/uploads/4372982/normal_5f9668b1b4b5a.pdfIn PDF document text
  • https://cdn-cms.f-static.net/uploads/4376380/normal_5f8d7f0aa4060.pdfIn PDF document text
  • https://liziruji.weebly.com/uploads/1/3/4/3/134380663/fadajuxul.pdfIn PDF document text
  • https://cdn-cms.f-static.net/uploads/4388406/normal_5f95c596c395d.pdfIn PDF document text
  • https://jajozopikikaju.weebly.com/uploads/1/3/4/3/134359408/luvadomodare.pdfIn PDF document text
  • https://cdn-cms.f-static.net/uploads/4366316/normal_5f8c1847650fa.pdfIn PDF document text
  • https://dovasuseburipir.weebly.com/uploads/1/3/4/3/134394860/373d5705df2bd2.pdfIn PDF document text
  • https://cdn-cms.f-static.net/uploads/4373769/normal_5f8a0b382d07d.pdfIn PDF document text
  • https://junoxavod.weebly.com/uploads/1/3/1/3/131384771/5dc3e44a1.pdfIn PDF document text
  • https://cdn-cms.f-static.net/uploads/4374518/normal_5f8a461acf720.pdfIn PDF document text
  • http://www.ascendercorp.com/In extracted file (font_00_sfnt_off00005a9d.bin)
  • http://www.ascendercorp.com/typedesigners.htmlIn extracted file (font_00_sfnt_off00005a9d.bin)
  • https://uploads.strikinglycdn.com/files/ebc5d1be-3114-4e5b-91e3-8cbd1697d210/movux.pdfIn PDF document text
  • https://uploads.strikinglycdn.com/files/4b98c2ad-264d-447f-90c3-3b9e0e2a5375/xijamurapiminumosakoko.pdfIn PDF document text
  • https://s3.amazonaws.com/wonoti/29564138234.pdfIn PDF document text
  • https://s3.amazonaws.com/zesotat/printable_comic_book_pages.pdfIn PDF document text
  • https://uploads.strikinglycdn.com/files/b2437d4a-e9b6-4834-b6cc-cfe64bd4edac/fariniju.pdfIn PDF document text
  • https://uploads.strikinglycdn.com/files/cce0b117-f177-49cc-b183-703dc3261998/solid_black_pictures.pdfIn PDF document text
  • https://uploads.strikinglycdn.com/files/38c31d89-678f-440d-9ca3-9798257518cf/gta_vice_city_polis_modu.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_off00005a9d.bin)

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