Malicious PDF — malware analysis report

Heuristics 6

• 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.
• Callback phishing phone lure medium SE_CALLBACK_LURE
  Document asks the user to call a phone number in billing, refund, subscription, fraud, or security context — consistent with callback phishing or tech-support scam patterns. Suppressed for legitimate-issuer (IRS/gov/official-form) or Microsoft license-boilerplate documents that carry no urgency or charge/dispute escalation.
• 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://gettraff.ru/pify?keyword=fanfiction+loud+house+tales In PDF document text

  • https://site-1040424.mozfiles.com/files/1040424/bixose.pdfIn PDF document text
  • https://site-1037059.mozfiles.com/files/1037059/wokutuvomimunuvobovipel.pdfIn PDF document text
  • https://site-1039171.mozfiles.com/files/1039171/79990098489.pdfIn PDF document text
  • http://varego.clubnorthvb.com/uploads/1/3/1/6/131637562/6318661.pdfIn PDF document text
  • http://files.alisonrossphotography.com/uploads/1/3/0/7/130775698/rufinomojafiz.pdfIn PDF document text
  • http://files.rottingfurstudios.com/uploads/1/3/1/4/131406535/zuxex.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/1d2d59c2-4433-4342-90bc-7116a1fcf41f/wesudo.pdfIn PDF document text
  • https://uploads.strikinglycdn.com/files/f9505578-5385-4413-a3cd-e502b24b2687/70692364345.pdfIn PDF document text
  • https://uploads.strikinglycdn.com/files/2329c6fa-90ea-45d1-a192-0b934d3ac77a/28074101462.pdfIn PDF document text
  • https://cdn.shopify.com/s/files/1/0433/1244/7652/files/acalanes_high_school_aeries.pdfIn PDF document text
  • https://cdn.shopify.com/s/files/1/0484/8995/5489/files/destination_host_unreachable_ping_packet_tracer.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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