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://ttraff.link/123?keyword=android+request+network+permission In PDF document text

  • https://cdn-cms.f-static.net/uploads/4402963/normal_5f924827d88f1.pdfIn PDF document text
  • https://cdn-cms.f-static.net/uploads/4385213/normal_5f8fb178c734f.pdfIn PDF document text
  • https://cdn-cms.f-static.net/uploads/4367000/normal_5f8af4772ac72.pdfIn PDF document text
  • https://cdn-cms.f-static.net/uploads/4403940/normal_5f95cb820b97a.pdfIn PDF document text
  • https://cdn-cms.f-static.net/uploads/4416664/normal_5f951eff2fbfd.pdfIn PDF document text
  • https://cdn-cms.f-static.net/uploads/4366384/normal_5f872225bf76b.pdfIn PDF document text
  • https://cdn-cms.f-static.net/uploads/4369334/normal_5f8b9a933acaa.pdfIn PDF document text
  • http://www.ascendercorp.com/In extracted file (font_00_sfnt_off0000967b.bin)
  • http://www.ascendercorp.com/typedesigners.htmlIn extracted file (font_00_sfnt_off0000967b.bin)
  • http://www.daltonmaag.com/In extracted file (font_02_sfnt_off0000ce4e.bin)
  • https://uploads.strikinglycdn.com/files/bc3459ce-fa36-48a9-8836-836a6f5ff746/slick_664_magneto_manual.pdfIn PDF document text
  • https://uploads.strikinglycdn.com/files/23b8fa2a-7475-4ddc-aa13-48ab3af34eeb/tumuwoluwegibizivufutiv.pdfIn PDF document text
  • https://uploads.strikinglycdn.com/files/5d608647-025b-4d3c-8492-0e44e2915939/6226311418.pdfIn PDF document text
  • https://cdn.shopify.com/s/files/1/0429/2693/2124/files/babatafijo.pdfIn PDF document text
  • https://cdn.shopify.com/s/files/1/0492/2376/2086/files/what_does_the_crucible_symbolize_in_the_play.pdfIn PDF document text
  • https://cdn.shopify.com/s/files/1/0502/1827/0905/files/83506319656.pdfIn PDF document text
  • https://cdn.shopify.com/s/files/1/0502/4573/0469/files/mckinsey_report_2020.pdfIn PDF document text
  • https://uploads.strikinglycdn.com/files/0f827925-1035-4a7e-bb80-0ffdce7b9f84/90237023334.pdfIn PDF document text
  • https://uploads.strikinglycdn.com/files/713742ec-c67a-434c-a616-beb93da29aa7/bofubemutanikiwi.pdfIn PDF document text
  • https://cdn.shopify.com/s/files/1/0496/2494/0708/files/dezutapedigegulogevi.pdfIn PDF document text
  • https://cdn.shopify.com/s/files/1/0434/2536/6165/files/jedubitipuz.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_off0000967b.bin)

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