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://gettraff.ru/strik?keyword=praxis+5001+social+studies+practice In PDF document text

  • http://files.globaldancearts.org/uploads/1/3/1/4/131407324/1228932.pdfIn PDF document text
  • http://files.manchestercitytantricmassage.com/uploads/1/3/1/0/131070791/3966534.pdfIn PDF document text
  • http://files.oakridgevillage.org/uploads/1/3/2/6/132683165/famamisewaxekuxobi.pdfIn PDF document text
  • http://pukep.dianastarr.ca/uploads/1/3/1/1/131163914/6b0669626753a.pdfIn PDF document text
  • http://files.katiemachain.com/uploads/1/3/1/4/131455283/57a787ca629.pdfIn PDF document text
  • http://lejeni.cfapsl.com/uploads/1/3/1/8/131871787/3066911.pdfIn PDF document text
  • http://files.trilloquy.org/uploads/1/3/0/9/130969776/2007807.pdfIn PDF document text
  • http://www.ascendercorp.com/In extracted file (font_00_sfnt_off00005e11.bin)
  • http://www.ascendercorp.com/typedesigners.htmlIn extracted file (font_00_sfnt_off00005e11.bin)
  • https://uploads.strikinglycdn.com/files/f0a50822-96d8-4c12-ba48-35fc4de9cb38/mamixigatibunesikivoxag.pdfIn PDF document text
  • https://uploads.strikinglycdn.com/files/ff18bc05-1489-4c34-8b46-0ac7474d7251/firorafaxarilepotov.pdfIn PDF document text
  • https://uploads.strikinglycdn.com/files/6101af68-93e7-46c5-9c11-d47b05ffb29b/13558950182.pdfIn PDF document text
  • https://uploads.strikinglycdn.com/files/25f987e3-e704-485f-9881-44a796344745/geborasiw.pdfIn PDF document text
  • https://uploads.strikinglycdn.com/files/6d4f33b6-3d1c-42af-b42a-f67213381cfd/3095076947.pdfIn PDF document text
  • https://uploads.strikinglycdn.com/files/5e85bed5-235d-4441-a1c1-c6f2ed63d795/revovixodake.pdfIn PDF document text
  • https://uploads.strikinglycdn.com/files/750b653b-d97f-4c4d-b322-8892e6cd0cd5/73898249553.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 extracted file (font_00_sfnt_off00005e11.bin)
  • http://dejavu.sourceforge.netIn extracted file (font_02_sfnt_off000093cb.bin)
  • http://dejavu.sourceforge.net/wiki/index.php/LicenseIn extracted file (font_02_sfnt_off000093cb.bin)

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