Malicious PDF — malware analysis report

Heuristics 4

• 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.
• 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://cctraff.ru/aws?keyword=calculus+for+dummies+cheat+sheet+pdf In PDF document text

  • https://gamupizesusaza.weebly.com/uploads/1/3/1/3/131398140/posubuxapeb_fufivito.pdfIn PDF document text
  • https://bizumoku.weebly.com/uploads/1/3/2/6/132681494/2799371.pdfIn PDF document text
  • https://lavigepes.weebly.com/uploads/1/3/4/4/134437347/e07f9f1ebd35b09.pdfIn PDF document text
  • https://vunisanelebori.weebly.com/uploads/1/3/3/9/133999195/dagil-lufimi.pdfIn PDF document text
  • https://xujaxivef.weebly.com/uploads/1/3/1/4/131438557/6b06e.pdfIn PDF document text
  • https://cdn-cms.f-static.net/uploads/4374951/normal_5f94cd33e044f.pdfIn PDF document text
  • https://cdn-cms.f-static.net/uploads/4383561/normal_5f8c4576b6522.pdfIn PDF document text
  • http://www.ascendercorp.com/In extracted file (font_00_sfnt_off00006b97.bin)
  • http://www.ascendercorp.com/typedesigners.htmlIn extracted file (font_00_sfnt_off00006b97.bin)
  • https://uploads.strikinglycdn.com/files/59e8a16c-de87-491a-bd9c-5332ff601aff/87433947834.pdfIn PDF document text
  • https://uploads.strikinglycdn.com/files/62b0247d-48b8-4f6a-bb88-3c538d82518c/19855842943.pdfIn PDF document text
  • https://uploads.strikinglycdn.com/files/47c9380c-d834-44a5-93fa-d7dbc37c2eeb/30991920017.pdfIn PDF document text
  • https://uploads.strikinglycdn.com/files/2f33c221-be6f-47f5-aba9-b032ff6d1e7e/fallout_nv_loot.pdfIn PDF document text
  • https://uploads.strikinglycdn.com/files/259871e5-8cf1-4927-a4cc-b5f4a305ddf7/3046929592.pdfIn PDF document text
  • https://s3.amazonaws.com/zuxadol/buganda_agreement_1900.pdfIn PDF document text
  • https://s3.amazonaws.com/zirojopemup/lijagaxovinepezaz.pdfIn PDF document text
  • https://s3.amazonaws.com/mijedusovineti/52597383834.pdfIn PDF document text
  • https://s3.amazonaws.com/zuxadol/logical_framework_analysis_lengkap.pdfIn PDF document text
  • https://s3.amazonaws.com/juliziwojatige/the_very_hungry_caterpillar_text.pdfIn PDF document text
  • https://s3.amazonaws.com/zuses/2_week_boiled_egg_diet.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_off00006b97.bin)

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