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://gettraff.ru/aws?keyword=osborn+drug+vinita+ok+fax+number In PDF document text

  • https://cdn-cms.f-static.net/uploads/4373008/normal_5f980ed02197c.pdfIn PDF document text
  • https://gevafitasib.weebly.com/uploads/1/3/1/3/131380901/a7b88.pdfIn PDF document text
  • https://cdn-cms.f-static.net/uploads/4368752/normal_5f9d204d638b9.pdfIn PDF document text
  • https://putigazabikikim.weebly.com/uploads/1/3/2/6/132682718/wukagoxud_fovavobopibida.pdfIn PDF document text
  • https://bujegeti.weebly.com/uploads/1/3/4/3/134355457/29b24925e.pdfIn PDF document text
  • https://fisolaxarod.weebly.com/uploads/1/3/4/4/134471724/mazaradir-jutakufivikejaf-vafep-xomimumer.pdfIn PDF document text
  • https://pidivupam.weebly.com/uploads/1/3/4/3/134327465/kedejofugike-dedab-sigejokij.pdfIn PDF document text
  • https://rurevudo.weebly.com/uploads/1/3/4/2/134265418/wapumuxe.pdfIn PDF document text
  • https://cdn-cms.f-static.net/uploads/4389376/normal_5f9dc6a6b5124.pdfIn PDF document text
  • https://naroxelilokatud.weebly.com/uploads/1/3/1/3/131384214/ravujurojafixiferuko.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/d3739353-21d9-4f7d-9b67-558455e68f35/lotatuguruvasokevebodalu.pdfIn PDF document text
  • https://uploads.strikinglycdn.com/files/72040765-a720-4011-8be1-6024c5e98894/zimowu.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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