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 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://ttraff.com/pify?keyword=android+not+connecting+to+wifi+network In PDF document text

  • http://files.katyfirstclasslimo.com/uploads/1/3/1/6/131606346/0e22fc1b4e7855.pdfIn PDF document text
  • http://josivexu.njpacci.org/uploads/1/3/0/7/130740596/419fc65671.pdfIn PDF document text
  • https://site-1044312.mozfiles.com/files/1044312/2586761811.pdfIn PDF document text
  • https://site-1037166.mozfiles.com/files/1037166/wezoripatexukapijaxej.pdfIn PDF document text
  • https://site-1043581.mozfiles.com/files/1043581/25863859874.pdfIn PDF document text
  • http://xidevus.whitewillowtea.com/uploads/1/3/0/8/130874493/jolezilozot-zutinififera.pdfIn PDF document text
  • http://files.albertroadchurch.com/uploads/1/3/1/6/131607544/4ec458a489298c.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/22b22536-7312-4dd2-a8a1-c3f331bd7db3/sikonosafibi.pdfIn PDF document text
  • https://uploads.strikinglycdn.com/files/c3aea1e0-6a58-4fbc-ae68-b882dbd0e1bf/76513901490.pdfIn PDF document text
  • https://uploads.strikinglycdn.com/files/f8acf5fc-9221-40dc-860b-41086a770c5d/34428184092.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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