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.me/pify?keyword=mccoy+federal+credit+union+phone+number In PDF document text

  • http://files.lydiamartinstudio.com/uploads/1/3/1/1/131163712/5561267.pdfIn PDF document text
  • http://files.claytonguy.com/uploads/1/3/0/7/130739517/1de1fd00a.pdfIn PDF document text
  • http://files.g-baldai.lt/uploads/1/3/0/8/130874349/c146dd75778d1.pdfIn PDF document text
  • http://files.thebravecreative.com/uploads/1/3/1/4/131408572/2957678.pdfIn PDF document text
  • http://files.guardianfineart.com/uploads/1/3/1/4/131482952/9380071.pdfIn PDF document text
  • http://wilowub.divineshinepressurewashing.com/uploads/1/3/0/7/130739347/ab3bae282.pdfIn PDF document text
  • http://files.mvnatmed.com/uploads/1/3/0/8/130873795/komuruzimanasof.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/1b78a661-4030-41c1-b3c5-e7f2b4b62540/fivirupizutuxunuvep.pdfIn PDF document text
  • https://uploads.strikinglycdn.com/files/74232a9f-bb21-43de-b0bc-fad7f5473177/78310789083.pdfIn PDF document text
  • https://uploads.strikinglycdn.com/files/23862605-25d6-411f-a6cb-90f090177410/jokagag.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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