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.
• 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=capital+of+various+countries+pdf In PDF document text

  • https://cdn-cms.f-static.net/uploads/4382782/normal_5f9080e3914cb.pdfIn PDF document text
  • https://cdn-cms.f-static.net/uploads/4391893/normal_5f95493cc3a25.pdfIn PDF document text
  • https://cdn-cms.f-static.net/uploads/4389352/normal_5f8fd950c791d.pdfIn PDF document text
  • https://cdn-cms.f-static.net/uploads/4367921/normal_5f89243095fb2.pdfIn PDF document text
  • https://cdn-cms.f-static.net/uploads/4390071/normal_5f964a3dc0a16.pdfIn PDF document text
  • https://cdn-cms.f-static.net/uploads/4370528/normal_5f932772dc65c.pdfIn PDF document text
  • https://cdn-cms.f-static.net/uploads/4408593/normal_5f92b5c71e118.pdfIn PDF document text
  • https://s3.amazonaws.com/tanikanaw/abc_analysis.pdfIn PDF document text
  • https://s3.amazonaws.com/gizonukorad/92630314784.pdfIn PDF document text
  • https://s3.amazonaws.com/tofizo/autismo_infantil_caracteristicas.pdfIn PDF document text
  • https://cdn-cms.f-static.net/uploads/4366009/normal_5f872fb2c6d44.pdfIn PDF document text
  • https://cdn-cms.f-static.net/uploads/4379856/normal_5f8c68f548467.pdfIn PDF document text
  • https://cdn-cms.f-static.net/uploads/4366063/normal_5f8735b54d274.pdfIn PDF document text
  • https://cdn-cms.f-static.net/uploads/4366341/normal_5f875703caafd.pdfIn PDF document text
  • https://cdn-cms.f-static.net/uploads/4374198/normal_5f8bc65fd96ec.pdfIn PDF document text
  • http://www.ascendercorp.com/In extracted file (font_00_sfnt_off000077ed.bin)
  • http://www.ascendercorp.com/typedesigners.htmlIn extracted file (font_00_sfnt_off000077ed.bin)
  • https://uploads.strikinglycdn.com/files/fd1ad282-83df-41af-8eb4-807db4a9e621/zolufez.pdfIn PDF document text
  • https://uploads.strikinglycdn.com/files/dbc89ae4-0699-43bb-9668-5fc5e4c07365/memisatatoj.pdfIn PDF document text
  • https://uploads.strikinglycdn.com/files/5f1632e3-9fb7-46d7-8a91-f7680805acb1/gapapepuja.pdfIn PDF document text
  • https://uploads.strikinglycdn.com/files/8fb70ee7-a3db-4ff5-a659-30e13ad502c2/xadutigidav.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_off000077ed.bin)

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