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/aws?keyword=definition+of+old+age+pdf In PDF document text

  • https://cdn-cms.f-static.net/uploads/4378378/normal_5f9087ebcef51.pdfIn PDF document text
  • https://cdn-cms.f-static.net/uploads/4367964/normal_5f8a0826d4768.pdfIn PDF document text
  • https://cdn-cms.f-static.net/uploads/4384142/normal_5f927cf7f00af.pdfIn PDF document text
  • https://cdn-cms.f-static.net/uploads/4387821/normal_5f91775b7a7cd.pdfIn PDF document text
  • https://cdn-cms.f-static.net/uploads/4387581/normal_5f94857d3f8c3.pdfIn PDF document text
  • https://cdn-cms.f-static.net/uploads/4366389/normal_5f8b32998c028.pdfIn PDF document text
  • http://www.ascendercorp.com/In extracted file (font_00_sfnt_off000052b1.bin)
  • http://www.ascendercorp.com/typedesigners.htmlIn extracted file (font_00_sfnt_off000052b1.bin)
  • https://s3.amazonaws.com/janodojivi/josog.pdfIn PDF document text
  • https://s3.amazonaws.com/betefowubevat/42021064194.pdfIn PDF document text
  • https://s3.amazonaws.com/zonebon/86738025268.pdfIn PDF document text
  • https://cdn.shopify.com/s/files/1/0438/4161/8082/files/kenneth_e_hagin_books_on_prosperity.pdfIn PDF document text
  • https://cdn.shopify.com/s/files/1/0498/7738/5374/files/avent_breast_pump_electric_or_manual.pdfIn PDF document text
  • https://s3.amazonaws.com/zeworibuzoza/cours_de_francais_niveau_debutant.pdfIn PDF document text
  • https://s3.amazonaws.com/wilugugo/advantages_of_computers_in_education.pdfIn PDF document text
  • https://s3.amazonaws.com/tiduro/19028331718.pdfIn PDF document text
  • https://s3.amazonaws.com/miwolezedubujoz/problem_statement_thesis.pdfIn PDF document text
  • https://s3.amazonaws.com/memul/logedanegamuvafowizuvivaz.pdfIn PDF document text
  • https://s3.amazonaws.com/levovod/bharucha_environment_book.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_off000052b1.bin)

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