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 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.
• 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://traffmen.ru/aws?keyword=between+the+raindrops+guitar+tabs In PDF document text

  • https://gazesomudari.weebly.com/uploads/1/3/1/0/131070071/4b5a1.pdfIn PDF document text
  • https://cdn-cms.f-static.net/uploads/4379626/normal_5fa3857562c81.pdfIn PDF document text
  • https://fejamelaluboj.weebly.com/uploads/1/3/4/3/134311679/gewebo-fojelekotazop-metakololumeba.pdfIn PDF document text
  • https://guwomenod.weebly.com/uploads/1/3/0/8/130873843/belapigojat.pdfIn PDF document text
  • https://cdn-cms.f-static.net/uploads/4453129/normal_5fa0e61098e56.pdfIn PDF document text
  • https://dojudiwoju.weebly.com/uploads/1/3/1/4/131406456/pajofuwigitidofo.pdfIn PDF document text
  • http://www.ascendercorp.com/In PDF document text
  • http://www.ascendercorp.com/typedesigners.htmlIn PDF document text
  • https://dejubanev.files.wordpress.com/2020/11/guferezixoxeno.pdfIn PDF document text
  • https://uploads.strikinglycdn.com/files/753dd565-4364-4061-bd18-0ef9efb20769/vigadidobale.pdfIn PDF document text
  • https://uploads.strikinglycdn.com/files/28d6da60-bff2-4c4e-825a-f741e5b2f3de/9053731008.pdfIn PDF document text
  • https://sodegiporixo.files.wordpress.com/2020/11/bearing_failure_analysis.pdfIn PDF document text
  • https://uploads.strikinglycdn.com/files/a6e23385-75aa-4231-804f-81418eb9353e/vatubake.pdfIn PDF document text
  • https://uploads.strikinglycdn.com/files/2fa50b1b-3fdf-4bb7-a055-45a72886a4aa/direct_drive_vs_gear_reduction_starter.pdfIn PDF document text
  • https://uploads.strikinglycdn.com/files/923506eb-2994-4276-89b6-7a229565660f/the_forest_achievement_guide.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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