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://traffine.ru/wb?keyword=mo%20willems%20family In PDF document text

  • https://nusosujorogu.weebly.com/uploads/1/3/4/5/134589145/d084372.pdfIn PDF document text
  • https://cdn-cms.f-static.net/uploads/4382972/normal_5f8cca2c5c8af.pdfIn PDF document text
  • https://vikuregarune.weebly.com/uploads/1/3/4/5/134577585/seziloviwebulenolosi.pdfIn PDF document text
  • https://dodivimibo.weebly.com/uploads/1/3/4/3/134305777/rizewisip-bebomufab-zixidamu-kutemamasanu.pdfIn PDF document text
  • https://cdn-cms.f-static.net/uploads/4404310/normal_5fa422bf36260.pdfIn PDF document text
  • https://siregudak.weebly.com/uploads/1/3/0/7/130738759/gigovofen.pdfIn PDF document text
  • https://soxajenukaru.weebly.com/uploads/1/3/0/8/130874283/wufef.pdfIn PDF document text
  • https://rutobugexamaxip.weebly.com/uploads/1/3/4/5/134508198/6066b55e84d9c.pdfIn PDF document text
  • https://cdn-cms.f-static.net/uploads/4421613/normal_5f9cfa25536d0.pdfIn PDF document text
  • https://xogexemufak.weebly.com/uploads/1/3/1/4/131437987/digolekuweguvor.pdfIn PDF document text
  • https://silemixijotin.weebly.com/uploads/1/3/4/4/134463531/tadeduriz-bojogaxafosok-wapugamu.pdfIn PDF document text
  • https://bajusumuke.weebly.com/uploads/1/3/2/7/132741128/vunivulunumejerisugu.pdfIn PDF document text
  • http://www.ascendercorp.com/In PDF document text
  • http://www.ascendercorp.com/typedesigners.htmlIn PDF document text
  • https://uploads.strikinglycdn.com/files/b2188706-6c5f-4c05-a1d1-09566f114bcb/5188808262.pdfIn PDF document text
  • https://uploads.strikinglycdn.com/files/28bc446f-f8e3-40f6-8f54-c85e24acf6ca/using_laptop_as_second_monitor.pdfIn PDF document text
  • https://uploads.strikinglycdn.com/files/66568b9f-ebf5-4834-8f2a-c464a831a46b/xuresokizozo.pdfIn PDF document text
  • https://uploads.strikinglycdn.com/files/bbf07619-48cb-4edf-93da-fb5f7382a311/topology_munkres_solutions_chapter_4.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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