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://ggtraff.ru/pify?keyword=list+of+android+icons In PDF document text

  • https://cdn-cms.f-static.net/uploads/4366018/normal_5f8707c1495b4.pdfIn PDF document text
  • https://cdn-cms.f-static.net/uploads/4365562/normal_5f8701afde278.pdfIn PDF document text
  • https://cdn-cms.f-static.net/uploads/4365563/normal_5f870fb03c0de.pdfIn PDF document text
  • https://cdn-cms.f-static.net/uploads/4365657/normal_5f86f9cb3e6a0.pdfIn PDF document text
  • https://cdn-cms.f-static.net/uploads/4366044/normal_5f86f8790c002.pdfIn PDF document text
  • https://site-1043258.mozfiles.com/files/1043258/budupinudulokakokuj.pdfIn PDF document text
  • https://site-1038768.mozfiles.com/files/1038768/xarububebumodegumapazo.pdfIn PDF document text
  • https://site-1036848.mozfiles.com/files/1036848/76495091792.pdfIn PDF document text
  • https://site-1038915.mozfiles.com/files/1038915/nomozosusujavoloxol.pdfIn PDF document text
  • https://guwomenod.weebly.com/uploads/1/3/0/8/130873843/ratot_muweliwamopoj.pdfIn PDF document text
  • https://fodezamu.weebly.com/uploads/1/3/1/4/131407453/6497588.pdfIn PDF document text
  • http://www.ascendercorp.com/In PDF document text
  • http://www.ascendercorp.com/typedesigners.htmlIn PDF document text
  • https://cdn.shopify.com/s/files/1/0433/0625/4504/files/speech_preparation_outline_example.pdfIn PDF document text
  • https://cdn.shopify.com/s/files/1/0476/8992/4774/files/85043171791.pdfIn PDF document text
  • https://cdn.shopify.com/s/files/1/0435/1537/9880/files/whitepages_jackson_tn.pdfIn PDF document text
  • https://cdn.shopify.com/s/files/1/0266/7839/5051/files/kemopoxovodurifize.pdfIn PDF document text
  • https://cdn.shopify.com/s/files/1/0486/4075/3822/files/small_stakes_no_limit_hold_em.pdfIn PDF document text
  • https://cdn.shopify.com/s/files/1/0467/8038/3385/files/24397011484.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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