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=russian+cases+table+pdf In PDF document text

  • https://cdn-cms.f-static.net/uploads/4366362/normal_5f887cb7b5bbf.pdfIn PDF document text
  • https://cdn-cms.f-static.net/uploads/4366956/normal_5f8bb449dfe0b.pdfIn PDF document text
  • https://cdn-cms.f-static.net/uploads/4383445/normal_5f8ca36f780c9.pdfIn PDF document text
  • https://cdn-cms.f-static.net/uploads/4369663/normal_5f8a9d7391ab9.pdfIn PDF document text
  • https://cdn-cms.f-static.net/uploads/4365653/normal_5f86fbb00610c.pdfIn PDF document text
  • https://cdn-cms.f-static.net/uploads/4369779/normal_5f88ce65bd30a.pdfIn PDF document text
  • https://cdn-cms.f-static.net/uploads/4373782/normal_5f8a5251b4242.pdfIn PDF document text
  • https://cdn-cms.f-static.net/uploads/4377114/normal_5f8cafe9631f3.pdfIn PDF document text
  • http://www.ascendercorp.com/In extracted file (font_00_sfnt_off000070b5.bin)
  • http://www.ascendercorp.com/typedesigners.htmlIn extracted file (font_00_sfnt_off000070b5.bin)
  • https://uploads.strikinglycdn.com/files/b95d6718-4634-413f-aa9f-2f9abf17963b/zeviladexudolegi.pdfIn PDF document text
  • https://uploads.strikinglycdn.com/files/5cc813f9-7894-488b-94ff-f7d9968c58dc/76258770875.pdfIn PDF document text
  • https://uploads.strikinglycdn.com/files/a14735fc-c3c1-4e90-a9b4-6831d7208019/zekuwuri.pdfIn PDF document text
  • https://uploads.strikinglycdn.com/files/7bcce431-5470-4f77-ba88-d430e8dadc20/debijukubodufob.pdfIn PDF document text
  • https://uploads.strikinglycdn.com/files/6a561f16-8623-445b-9cc6-ac2ebfa159fb/venavum.pdfIn PDF document text
  • https://uploads.strikinglycdn.com/files/6e92b47c-5abb-4e21-bb12-cc8ab304926d/judasepovivugewazisegusa.pdfIn PDF document text
  • https://uploads.strikinglycdn.com/files/e7aaf2d1-93e6-4bd5-917a-41051ec134f0/tevukifelama.pdfIn PDF document text
  • https://uploads.strikinglycdn.com/files/4fabbf9f-097f-4b33-b85a-7d64122cd419/wawalevabezejoraralupepet.pdfIn PDF document text
  • https://uploads.strikinglycdn.com/files/d8fae319-395d-4d8f-9c37-89303d4e694e/28274963164.pdfIn PDF document text
  • https://uploads.strikinglycdn.com/files/1464815e-b2bc-4fb8-826b-3712509573ea/50955855722.pdfIn PDF document text
  • https://uploads.strikinglycdn.com/files/c836e7d1-f8e3-4e94-9207-464bd57eccf8/1790907406.pdfIn PDF document text
  • https://cdn.shopify.com/s/files/1/0431/7118/4794/files/tutuzarudatuvetupiduwew.pdfIn PDF document text
  • https://cdn.shopify.com/s/files/1/0266/9091/2440/files/cassadaga_valley_central_school_website.pdfIn PDF document text
  • https://cdn.shopify.com/s/files/1/0488/0623/2229/files/dimetuxuwawavefigaz.pdfIn PDF document text
  • https://cdn.shopify.com/s/files/1/0432/6627/7534/files/32224956350.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_off000070b5.bin)

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