Malicious PDF — malware analysis report

Heuristics 6

• 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.
• 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://leonvi.ru/123?utm_term=breezing+forms+file+upload+not+working PDF link annotation

  • https://cdn-cms.f-static.net/uploads/4490122/normal_6028f60a51f5f.pdfIn PDF document text
  • https://cdn-cms.f-static.net/uploads/4498883/normal_6024b5ded8ddc.pdfIn PDF document text
  • https://seporulakokifo.weebly.com/uploads/1/3/4/5/134590723/vofopojum.pdfIn PDF document text
  • https://cdn-cms.f-static.net/uploads/4476268/normal_600fe7be932bb.pdfIn PDF document text
  • https://zipobirin.weebly.com/uploads/1/3/5/3/135386694/7840379.pdfIn PDF document text
  • https://nuvixiravomodi.weebly.com/uploads/1/3/4/5/134516184/2963516.pdfIn PDF document text
  • https://borojiwanap.weebly.com/uploads/1/3/4/2/134235821/9101845.pdfIn PDF document text
  • https://kuxiwapanipajof.weebly.com/uploads/1/3/0/9/130969705/f858a6a7279dc7.pdfIn PDF document text
  • https://cdn-cms.f-static.net/uploads/4409403/normal_5fd98c860dbe0.pdfIn PDF document text
  • https://static.s123-cdn-static-d.com/uploads/4415519/normal_60b532d515c61.pdfIn PDF document text
  • https://static.s123-cdn-static-d.com/uploads/4375351/normal_60b12eeb05777.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/b7ea970e-cba9-4d8e-bf91-0c0226d278ae/tipos_de_comunicacion_empresarial_externa.pdfIn PDF document text
  • https://uploads.strikinglycdn.com/files/a7cfeab8-4e7e-466c-8bd1-63a588c58a23/therapeutic_foster_care_vs_regular_foster_care.pdfIn PDF document text
  • https://uploads.strikinglycdn.com/files/77b76226-3c0a-443c-9e67-bc1eea5079a4/54286798206.pdfIn PDF document text
  • https://uploads.strikinglycdn.com/files/45b346bc-a363-489f-b4dd-f21f49d9236c/saxon_math_intermediate_3_power_up_workbook.pdfIn PDF document text
  • https://uploads.strikinglycdn.com/files/1a968a38-0d49-4ce4-a627-fc54c23e3164/how_to_draw_raindrops_on_a_window.pdfIn PDF document text
  • https://uploads.strikinglycdn.com/files/b6310617-c467-4df9-b88b-308da7d1056f/74406818331.pdfIn PDF document text
  • https://uploads.strikinglycdn.com/files/8e668487-af36-4bd9-a70e-c138e09df3b5/69954213573.pdfIn PDF document text
  • https://uploads.strikinglycdn.com/files/8fab1fda-c4dc-4973-b6bb-594e60f685f7/93311277110.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
  • http://dejavu.sourceforge.netIn PDF document text
  • http://dejavu.sourceforge.net/wiki/index.php/LicenseIn PDF document text

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