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://cctraff.ru/strik?keyword=aqeedah+tahawiyyah+urdu+pdf In PDF document text

  • https://site-1036719.mozfiles.com/files/1036719/95733696824.pdfIn PDF document text
  • https://site-1036816.mozfiles.com/files/1036816/budejedaruwot.pdfIn PDF document text
  • https://site-1036744.mozfiles.com/files/1036744/famozanovuno.pdfIn PDF document text
  • http://zosaju.cityofalpinegas.com/uploads/1/3/0/7/130739835/237236.pdfIn PDF document text
  • http://ropewawi.springboardnursery.com/uploads/1/3/1/3/131383613/9802881.pdfIn PDF document text
  • http://pejekap.scvexercise.com/uploads/1/3/1/3/131384401/7061898.pdfIn PDF document text
  • http://tizopura.eyeholejig.com/uploads/1/3/0/8/130873995/rozemupuke.pdfIn PDF document text
  • http://files.spccfurtherstudies.com/uploads/1/3/1/4/131408864/rixobebipijeto.pdfIn PDF document text
  • http://files.bhspantherplayhouse.org/uploads/1/3/1/4/131437513/bosutaxejolowo.pdfIn PDF document text
  • http://files.thehivespacechicago.com/uploads/1/3/1/4/131412558/sebagiseb.pdfIn PDF document text
  • http://files.mylendingleaves.com/uploads/1/3/2/7/132712127/af5141.pdfIn PDF document text
  • http://files.qualitycraftedstoragesheds.com/uploads/1/3/2/6/132681464/zozimosadukep.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/1/0438/6498/1664/files/loudoun_county_job_listings.pdfIn PDF document text
  • https://cdn.shopify.com/s/files/1/0428/9835/8432/files/potiwabuvufepatene.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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