Malicious PDF — malware analysis report

Heuristics 7

• ClamAV: Pdf.Phishing.Trojan-d2528dad23a95d95-d2528dad23a95d95-10044376-0 critical CLAMAV_DETECTION
  ClamAV detected this file as malware: Pdf.Phishing.Trojan-d2528dad23a95d95-d2528dad23a95d95-10044376-0
• 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.
• External URI info PDF_URI
  PDF contains an external URL action
• 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://vilenefex.ru/award?keyword=tinkle+digest+may+2020+pdf PDF link annotation

  • https://cdn-cms.f-static.net/uploads/4381756/normal_60526918f0c43.pdfIn PDF document text
  • https://cdn-cms.f-static.net/uploads/4485939/normal_604771a46b36f.pdfIn PDF document text
  • https://cdn-cms.f-static.net/uploads/4527345/normal_6049b8e1a1b0b.pdfIn PDF document text
  • https://static.s123-cdn-static.com/uploads/4391331/normal_5ff89bfd55f4c.pdfIn PDF document text
  • https://static.s123-cdn-static.com/uploads/4497095/normal_5feb950a6344c.pdfIn PDF document text
  • http://jifarobajis.sportsontheweb.net/21733614374.pdfIn PDF document text
  • https://static.s123-cdn-static.com/uploads/4379371/normal_5fc8748af2a78.pdfIn PDF document text
  • http://miwasigal.mywebcommunity.org/berofebesibi.pdfIn PDF document text
  • https://vororesefuvemux.weebly.com/uploads/1/3/0/8/130813496/faaea2b.pdfIn PDF document text
  • https://cdn-cms.f-static.net/uploads/4451736/normal_5fd0a9952a790.pdfIn PDF document text
  • https://vokipokulolobu.weebly.com/uploads/1/3/4/0/134016984/739847.pdfIn PDF document text
  • https://cdn-cms.f-static.net/uploads/4411001/normal_603b095e58d25.pdfIn PDF document text
  • https://cdn-cms.f-static.net/uploads/4460477/normal_60480a86cf4bb.pdfIn PDF document text
  • http://www.ascendercorp.com/In PDF document text
  • http://www.ascendercorp.com/typedesigners.htmlIn PDF document text
  • http://rexefobixavater.myartsonline.com/52986250551.pdfIn PDF document text
  • https://uploads.strikinglycdn.com/files/0b6c295a-c3f8-4c3b-9833-cdb8f8439043/78952403481.pdfIn PDF document text
  • http://xiniwipilanaju.atwebpages.com/cake_by_the_ocean_chords.pdfIn PDF document text
  • https://uploads.strikinglycdn.com/files/0f94d0fc-28f7-4898-ab89-514b06a009ee/72713386614.pdfIn PDF document text
  • https://uploads.strikinglycdn.com/files/87058df3-747b-4dff-a34d-d490e35c871b/51853568920.pdfIn PDF document text
  • https://uploads.strikinglycdn.com/files/5782ac74-ee1c-4b3b-93f8-f0e982e0ab5f/venupoxezibubinididavov.pdfIn PDF document text
  • https://uploads.strikinglycdn.com/files/879ea9cb-d832-4297-9306-5fdb211f7e3b/dbt_meaning_in_cibil_in_hindi.pdfIn PDF document text
  • https://uploads.strikinglycdn.com/files/06637865-008b-4bd2-b614-48a7579f8424/horolovar_400_day_clock_repair_guide_download.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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