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=aneurisma+de+aorta+abdominal+sintomas+pdf In PDF document text

  • https://bubiwodepu.weebly.com/uploads/1/3/2/8/132815961/sujegelokebazu.pdfIn PDF document text
  • https://sepenunaxob.weebly.com/uploads/1/3/0/7/130776074/9635738.pdfIn PDF document text
  • https://benukozememig.weebly.com/uploads/1/3/4/4/134480731/zupiwamize.pdfIn PDF document text
  • https://nipufijupetobug.weebly.com/uploads/1/3/1/4/131482996/jazatozesaja.pdfIn PDF document text
  • https://jawasolasazilem.weebly.com/uploads/1/3/1/3/131379174/wovexofek.pdfIn PDF document text
  • https://boguvetasitob.weebly.com/uploads/1/3/1/3/131380850/devugiwofutuvava.pdfIn PDF document text
  • https://cdn-cms.f-static.net/uploads/4387586/normal_5f9355b552058.pdfIn PDF document text
  • https://cdn-cms.f-static.net/uploads/4379032/normal_5f8d2ef9cf73d.pdfIn PDF document text
  • https://kenilajapa.weebly.com/uploads/1/3/1/0/131069910/latonud-nofazadexukopo-jakiwunulok-lovofanutobur.pdfIn PDF document text
  • https://gozofuma.weebly.com/uploads/1/3/0/8/130874065/4abb8c2.pdfIn PDF document text
  • https://sifizebutu.weebly.com/uploads/1/3/0/8/130814914/lojawexorabes.pdfIn PDF document text
  • https://lipowuripipu.weebly.com/uploads/1/3/1/3/131378852/d8e6614370.pdfIn PDF document text
  • https://tiposowa.weebly.com/uploads/1/3/1/1/131164246/9933.pdfIn PDF document text
  • https://vaxajiwozoli.weebly.com/uploads/1/3/1/6/131637631/pugamukusog_jexube_fuwoxiginor_tufuzudokumuw.pdfIn PDF document text
  • http://www.ascendercorp.com/In extracted file (font_00_sfnt_off000061c9.bin)
  • http://www.ascendercorp.com/typedesigners.htmlIn extracted file (font_00_sfnt_off000061c9.bin)
  • https://s3.amazonaws.com/foneniz/mesigopoforemupavusuleg.pdfIn PDF document text
  • https://s3.amazonaws.com/mijedusovineti/principles_of_behavioral_genetics.pdfIn PDF document text
  • https://s3.amazonaws.com/jimugivos/jesevubizigak.pdfIn PDF document text
  • https://s3.amazonaws.com/bivanud/tilepomewuzaduzewunog.pdfIn PDF document text
  • https://s3.amazonaws.com/fasanag/super_activated_carbon.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_off000061c9.bin)

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