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://cctraff.ru/aws?keyword=wheel+bearings+cost+to+fix In PDF document text

  • https://cdn-cms.f-static.net/uploads/4369915/normal_5f8f0a3037414.pdfIn PDF document text
  • https://cdn-cms.f-static.net/uploads/4365653/normal_5f8722875c6a1.pdfIn PDF document text
  • https://kikuriniwabutip.weebly.com/uploads/1/3/4/4/134440093/fanoloraxal.pdfIn PDF document text
  • https://dojudiwoju.weebly.com/uploads/1/3/1/4/131406456/pajofuwigitidofo.pdfIn PDF document text
  • https://vewusijonaw.weebly.com/uploads/1/3/4/4/134489037/c86b4c27268da7.pdfIn PDF document text
  • https://noloturajikule.weebly.com/uploads/1/3/4/4/134486045/wobuwigi.pdfIn PDF document text
  • https://rozazokosu.weebly.com/uploads/1/3/0/8/130813972/fadotas.pdfIn PDF document text
  • https://cdn-cms.f-static.net/uploads/4366027/normal_5f876626cfcef.pdfIn PDF document text
  • https://pozosukezogi.weebly.com/uploads/1/3/4/3/134386022/wagiporuw.pdfIn PDF document text
  • https://firedisivimi.weebly.com/uploads/1/3/0/9/130969818/medewelanejofe.pdfIn PDF document text
  • https://cdn-cms.f-static.net/uploads/4405930/normal_5f9793276dee1.pdfIn PDF document text
  • https://xifobosakup.weebly.com/uploads/1/3/2/8/132815359/f5ef1.pdfIn PDF document text
  • https://rizenorugeworo.weebly.com/uploads/1/3/4/3/134379336/tawotu.pdfIn PDF document text
  • https://cdn-cms.f-static.net/uploads/4381964/normal_5f9795af77999.pdfIn PDF document text
  • https://pevinuwipe.weebly.com/uploads/1/3/0/8/130873962/kuvimup-rusotoxujuredod-ralirupumup-luximujovozi.pdfIn PDF document text
  • https://fodezamu.weebly.com/uploads/1/3/1/4/131407453/devuxupujikeninaferi.pdfIn PDF document text
  • http://www.ascendercorp.com/In extracted file (font_00_sfnt_off00006986.bin)
  • http://www.ascendercorp.com/typedesigners.htmlIn extracted file (font_00_sfnt_off00006986.bin)
  • http://www.daltonmaag.com/In extracted file (font_02_sfnt_off00009d7e.bin)
  • https://s3.amazonaws.com/fopalew/lejuginawudabupuwa.pdfIn PDF document text
  • https://s3.amazonaws.com/sizadagazagaj/and_so_but_because_worksheets.pdfIn PDF document text
  • https://s3.amazonaws.com/subud/manual_de_reproduccion_animal.pdfIn PDF document text
  • https://s3.amazonaws.com/nowonovege/freaks_geeks_and_asperger_syndrome.pdfIn PDF document text
  • https://s3.amazonaws.com/tetazino/adn_polimerasa.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_off00006986.bin)

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