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://ggtraff.ru/pify?keyword=league+of+legends+mobile+apk+beta In PDF document text

  • https://cdn-cms.f-static.net/uploads/4366044/normal_5f86f41ba4974.pdfIn PDF document text
  • https://cdn-cms.f-static.net/uploads/4366637/normal_5f87f1e89e469.pdfIn PDF document text
  • https://cdn-cms.f-static.net/uploads/4369185/normal_5f87a3798363b.pdfIn PDF document text
  • https://cdn-cms.f-static.net/uploads/4366041/normal_5f8727bf67ebc.pdfIn PDF document text
  • https://jufaxexave.weebly.com/uploads/1/3/0/7/130775513/d8065cd0ebc23d.pdfIn PDF document text
  • https://ganulexotugoris.weebly.com/uploads/1/3/1/1/131164012/2441207.pdfIn PDF document text
  • https://vevejeda.weebly.com/uploads/1/3/0/7/130776099/pugofabo-dologoruwiz-xavofiwukajuzi-tunesutowib.pdfIn PDF document text
  • https://pevugubak.weebly.com/uploads/1/3/2/7/132740457/nemodesitunaj-xafopifoz.pdfIn PDF document text
  • https://jivexine.weebly.com/uploads/1/3/1/3/131380908/2964153.pdfIn PDF document text
  • https://lefedatit.weebly.com/uploads/1/3/0/7/130776734/2549249.pdfIn PDF document text
  • https://wesoxiworikezux.weebly.com/uploads/1/3/1/3/131380467/vemalav.pdfIn PDF document text
  • https://zesopupejilit.weebly.com/uploads/1/3/0/7/130738861/2b730c52e5ce5.pdfIn PDF document text
  • https://cdn-cms.f-static.net/uploads/4365642/normal_5f870bb001107.pdfIn PDF document text
  • https://cdn-cms.f-static.net/uploads/4366357/normal_5f8925797c2cb.pdfIn PDF document text
  • https://cdn-cms.f-static.net/uploads/4367624/normal_5f892dc66f3da.pdfIn PDF document text
  • https://cdn-cms.f-static.net/uploads/4369935/normal_5f87e0f9ed9d0.pdfIn PDF document text
  • https://cdn-cms.f-static.net/uploads/4369936/normal_5f891692a2808.pdfIn PDF document text
  • https://cdn-cms.f-static.net/uploads/4366947/normal_5f87526bd5655.pdfIn PDF document text
  • https://cdn-cms.f-static.net/uploads/4366306/normal_5f881e7dcad53.pdfIn PDF document text
  • http://www.ascendercorp.com/In PDF document text
  • http://www.ascendercorp.com/typedesigners.htmlIn PDF document text
  • https://cdn.shopify.com/s/files/1/0496/0403/4712/files/fundamentals_of_physics_halliday_and_resnick.pdfIn PDF document text
  • https://cdn.shopify.com/s/files/1/0499/0874/4381/files/42092051358.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 PDF document text

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