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.
• Image lure linking to an SEO redirector (free-download phishing) high PDF_SEO_UTM_REDIRECTOR_LINK
  PDF embeds an image with little or no body text and a clickable link to a multi-word utm_term / FeedBurner-proxied SEO redirector — the 'free ebook / solution-manual / document download' phishing family that ranks for natural-language search queries and routes the user into a payload/redirect chain. The PDF carries no exploit; the risk is the linked destination. Flagged structurally (image lure + SEO redirector) so it does not depend on a ClamAV/ML signature, and regardless of how many filler text pages the lure carries.
• 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/123?keyword=savage+in+limbo+pdf In PDF document text

  • https://lixaworone.weebly.com/uploads/1/3/1/8/131871871/5c156d7c21e74f.pdfIn PDF document text
  • https://vafumigoku.weebly.com/uploads/1/3/1/3/131384305/warepanadibi-mutowovos-bakorexejav-mirazumepeju.pdfIn PDF document text
  • https://dutitujazekap.weebly.com/uploads/1/3/0/8/130814390/36ce75ac.pdfIn PDF document text
  • https://cdn-cms.f-static.net/uploads/4369760/normal_5f9450fdb443f.pdfIn PDF document text
  • https://cdn-cms.f-static.net/uploads/4368226/normal_5f94d8a6c3187.pdfIn PDF document text
  • https://cdn-cms.f-static.net/uploads/4372740/normal_5f8b04ccaaf56.pdfIn PDF document text
  • https://cdn-cms.f-static.net/uploads/4365583/normal_5f871d1e6b923.pdfIn PDF document text
  • https://cdn-cms.f-static.net/uploads/4366305/normal_5f892b9e226e0.pdfIn PDF document text
  • https://cdn-cms.f-static.net/uploads/4365600/normal_5f8703ae7dc0c.pdfIn PDF document text
  • https://cdn-cms.f-static.net/uploads/4418370/normal_5f966f5fae58f.pdfIn PDF document text
  • https://cdn-cms.f-static.net/uploads/4366385/normal_5f8bbb3c69ae3.pdfIn PDF document text
  • http://www.ascendercorp.com/In extracted file (font_00_sfnt_off00006c81.bin)
  • http://www.ascendercorp.com/typedesigners.htmlIn extracted file (font_00_sfnt_off00006c81.bin)
  • https://s3.amazonaws.com/rawesaragegugar/gojizibubilodoti.pdfIn PDF document text
  • https://s3.amazonaws.com/henghuili-files/nigakabozudo.pdfIn PDF document text
  • https://s3.amazonaws.com/panalipolifod/citadel_how_to_paint_miniatures.pdfIn PDF document text
  • https://s3.amazonaws.com/mubemutolewe/cask_of_amontillado_vocabulary.pdfIn PDF document text
  • https://s3.amazonaws.com/dinilederu/microbial_ecology_atlas_bartha.pdfIn PDF document text
  • https://s3.amazonaws.com/defipedibe/dinosaurios_para_colorear_nios.pdfIn PDF document text
  • https://s3.amazonaws.com/nopomewegobij/11_bio_zoology_practical.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_off00006c81.bin)

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