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://ttraff.cc/123?keyword=first+security+services In PDF document text

  • https://tanutefezuje.weebly.com/uploads/1/3/4/4/134437554/2a6ec7c1.pdfIn PDF document text
  • https://jukafubu.weebly.com/uploads/1/3/0/8/130874261/didezerug.pdfIn PDF document text
  • https://jarapitoxedomel.weebly.com/uploads/1/3/1/4/131437170/fukori_mujobibibowe.pdfIn PDF document text
  • https://fidurelofomus.weebly.com/uploads/1/3/0/7/130740547/lizarizanivedena.pdfIn PDF document text
  • https://suganolorifumu.weebly.com/uploads/1/3/0/8/130814011/2763505.pdfIn PDF document text
  • https://s3.amazonaws.com/jiwisi/wisil.pdfIn PDF document text
  • https://tarirubawapub.weebly.com/uploads/1/3/1/6/131606173/7789983.pdfIn PDF document text
  • https://cdn-cms.f-static.net/uploads/4365635/normal_5f88982469ebc.pdfIn PDF document text
  • https://cdn-cms.f-static.net/uploads/4376602/normal_5f93d5b14302d.pdfIn PDF document text
  • https://firerokuk.weebly.com/uploads/1/3/1/1/131164187/7961136.pdfIn PDF document text
  • http://www.ascendercorp.com/In extracted file (font_00_sfnt_off0000415b.bin)
  • http://www.ascendercorp.com/typedesigners.htmlIn extracted file (font_00_sfnt_off0000415b.bin)
  • https://cdn.shopify.com/s/files/1/0505/4991/5845/files/jubanilexegabuze.pdfIn PDF document text
  • https://cdn.shopify.com/s/files/1/0483/9440/4008/files/11992489915.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_off0000415b.bin)

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