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.
• 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.
• PDF carries website-builder CDN document link farm medium PDF_CDN_PDF_LINK_FARM
  PDF contains many clickable PDF links parked on website-builder CDNs or simple download gateways together with visible ebook, manual, or download lure text. This matches generated SEO document carriers used to route users through untrusted link/download chains; the PDF itself is an inert link carrier.
• 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://ttraff.link/123?keyword=the+egypt+game+book+genre In PDF document text

  • https://cdn-cms.f-static.net/uploads/4418167/normal_5f9f83d6d11ea.pdfIn PDF document text
  • https://cdn-cms.f-static.net/uploads/4386834/normal_5fa06822a2bdf.pdfIn PDF document text
  • https://cdn-cms.f-static.net/uploads/4403808/normal_5f96be94ace1b.pdfIn PDF document text
  • https://cdn-cms.f-static.net/uploads/4376606/normal_5f8bc5d4c4ee9.pdfIn PDF document text
  • https://cdn-cms.f-static.net/uploads/4412394/normal_5f974d2f4f795.pdfIn PDF document text
  • https://cdn-cms.f-static.net/uploads/4368504/normal_5f90300984b7b.pdfIn PDF document text
  • https://cdn-cms.f-static.net/uploads/4366063/normal_5f885f4bb20b2.pdfIn PDF document text
  • https://s3.amazonaws.com/leguvefu/depression_causes_and_treatment.pdfIn PDF document text
  • https://cdn-cms.f-static.net/uploads/4369166/normal_5f892a68b9986.pdfIn PDF document text
  • https://cdn-cms.f-static.net/uploads/4375705/normal_5f97a774c3c25.pdfIn PDF document text
  • https://cdn-cms.f-static.net/uploads/4405430/normal_5f9c046c87699.pdfIn PDF document text
  • https://cdn-cms.f-static.net/uploads/4382782/normal_5f8e8893a466f.pdfIn PDF document text
  • https://cdn-cms.f-static.net/uploads/4416935/normal_5fa1f8c14463e.pdfIn PDF document text
  • http://www.ascendercorp.com/In extracted file (font_01_sfnt_off000086a0.bin)
  • http://www.ascendercorp.com/typedesigners.htmlIn extracted file (font_01_sfnt_off000086a0.bin)
  • https://uploads.strikinglycdn.com/files/e4661f3c-6db1-412c-b6b7-846f14ce1c51/the_good_wifes_guide_article.pdfIn PDF document text
  • https://uploads.strikinglycdn.com/files/7e25778d-6a2c-46f2-a667-3a53d3bc05b8/vidrios_y_aluminios_en_saltillo.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_01_sfnt_off000086a0.bin)

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