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.cc/123?keyword=custom+tab+layout+android+github In PDF document text

  • https://cdn-cms.f-static.net/uploads/4367905/normal_5f876596bdb51.pdfIn PDF document text
  • https://cdn-cms.f-static.net/uploads/4376602/normal_5f8a69c9e3aee.pdfIn PDF document text
  • https://mogilifus.weebly.com/uploads/1/3/0/7/130739831/f5d445.pdfIn PDF document text
  • https://nosekuge.weebly.com/uploads/1/3/2/7/132740467/94e49e4d.pdfIn PDF document text
  • https://mogilifus.weebly.com/uploads/1/3/0/7/130739831/1d1f8ecc085ca.pdfIn PDF document text
  • https://buliduxefexefux.weebly.com/uploads/1/3/1/6/131636978/sadenukifirew_tiloxisu_gujesovijagux_jazuvubusawolo.pdfIn PDF document text
  • https://runebipunozup.weebly.com/uploads/1/3/1/4/131406604/zinutesumaxat-deterikeb-xinenisutizu.pdfIn PDF document text
  • https://jivexine.weebly.com/uploads/1/3/1/3/131380908/cf83950309.pdfIn PDF document text
  • https://zadujemerumid.weebly.com/uploads/1/3/2/6/132695269/7456464.pdfIn PDF document text
  • https://sizukejagu.weebly.com/uploads/1/3/2/6/132681884/todazazadin-xuwakube-numifusotip.pdfIn PDF document text
  • https://nosekuge.weebly.com/uploads/1/3/2/7/132740467/ef5eab8.pdfIn PDF document text
  • https://cdn-cms.f-static.net/uploads/4368736/normal_5f8b15f4da0e4.pdfIn PDF document text
  • https://cdn-cms.f-static.net/uploads/4368962/normal_5f8bd0ee808af.pdfIn PDF document text
  • https://cdn-cms.f-static.net/uploads/4375890/normal_5f8a7184165b2.pdfIn PDF document text
  • https://cdn-cms.f-static.net/uploads/4367312/normal_5f8952852b224.pdfIn PDF document text
  • http://www.ascendercorp.com/In extracted file (font_00_sfnt_off00006d94.bin)
  • http://www.ascendercorp.com/typedesigners.htmlIn extracted file (font_00_sfnt_off00006d94.bin)
  • http://www.daltonmaag.com/In extracted file (font_02_sfnt_off0000af2f.bin)
  • https://cdn.shopify.com/s/files/1/0502/2354/6553/files/16099415940.pdfIn PDF document text
  • https://cdn.shopify.com/s/files/1/0501/0613/8787/files/rosazadifojapizigagate.pdfIn PDF document text
  • https://cdn.shopify.com/s/files/1/0428/0667/3575/files/60681219091.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_off00006d94.bin)

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