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/strik?keyword=free+star+wars+books+pdf In PDF document text

  • https://site-1037175.mozfiles.com/files/1037175/8879721103.pdfIn PDF document text
  • https://site-1038910.mozfiles.com/files/1038910/25703678822.pdfIn PDF document text
  • https://site-1036692.mozfiles.com/files/1036692/54071805041.pdfIn PDF document text
  • https://site-1040082.mozfiles.com/files/1040082/mamepanatadosewemedudu.pdfIn PDF document text
  • https://site-1037177.mozfiles.com/files/1037177/61383445451.pdfIn PDF document text
  • https://site-1036962.mozfiles.com/files/1036962/mixesezatonore.pdfIn PDF document text
  • http://files.bensondavis.com/uploads/1/3/0/7/130775220/0606d9464.pdfIn PDF document text
  • http://files.barnfullofequines.com/uploads/1/3/0/7/130740130/40bb43886cd.pdfIn PDF document text
  • http://files.bankheadboys.com/uploads/1/3/1/6/131606360/zixovirom-wowejevujubemav-vawanomitorene.pdfIn PDF document text
  • http://juxom.sawelsh.com/uploads/1/3/0/9/130968921/74a5a8e7bb100a.pdfIn PDF document text
  • http://files.savagekat.net/uploads/1/3/1/6/131607010/0e56ce1c.pdfIn PDF document text
  • http://jasiloku.mindfuldemocracy.org/uploads/1/3/0/7/130775219/dobopepelo.pdfIn PDF document text
  • http://files.nlpandmbitcoach.training/uploads/1/3/2/7/132711983/0e2b1e2e.pdfIn PDF document text
  • http://files.husonprojects.com/uploads/1/3/0/7/130775362/wolotof_jokuvala_setikido_tebofinobem.pdfIn PDF document text
  • http://www.ascendercorp.com/In extracted file (font_00_sfnt_off000075bf.bin)
  • http://www.ascendercorp.com/typedesigners.htmlIn extracted file (font_00_sfnt_off000075bf.bin)
  • 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_off000075bf.bin)

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