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://traffking.ru/aws?keyword=crusoe+had+it+easy+all+routes In PDF document text

  • https://cdn-cms.f-static.net/uploads/4366343/normal_5f9f9fe07a31f.pdfIn PDF document text
  • https://tusemebi.weebly.com/uploads/1/3/4/3/134316443/xaxanom.pdfIn PDF document text
  • https://fobedixosofano.weebly.com/uploads/1/3/4/3/134377241/nojexunurasafofiduj.pdfIn PDF document text
  • https://tegugozitofo.weebly.com/uploads/1/3/0/8/130874592/novogutafesapon-jewaxobuvum-ginogipikumexoz.pdfIn PDF document text
  • https://lesofetu.weebly.com/uploads/1/3/1/3/131378838/1526941.pdfIn PDF document text
  • https://cdn-cms.f-static.net/uploads/4379626/normal_5f8c6970e881c.pdfIn PDF document text
  • https://cdn-cms.f-static.net/uploads/4383795/normal_5f8bfa418201c.pdfIn PDF document text
  • https://ralerafuzirepob.weebly.com/uploads/1/3/4/3/134386916/9222802.pdfIn PDF document text
  • https://cdn-cms.f-static.net/uploads/4383445/normal_5f91039733c4e.pdfIn PDF document text
  • https://zusaneji.weebly.com/uploads/1/3/0/8/130813769/545980.pdfIn PDF document text
  • https://cdn-cms.f-static.net/uploads/4426410/normal_5f9db3c7e33cf.pdfIn PDF document text
  • http://www.ascendercorp.com/In PDF document text
  • http://www.ascendercorp.com/typedesigners.htmlIn PDF document text
  • https://vifosuz.files.wordpress.com/2020/11/vajukutigagivewujiritefu.pdfIn PDF document text
  • https://uploads.strikinglycdn.com/files/86d0b8b1-ec98-40a0-a0d0-04e728368662/5803475133.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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