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://traffking.ru/123?keyword=the+great+gatsby+and+the+roaring+twenties In PDF document text

  • https://cdn-cms.f-static.net/uploads/4388432/normal_5f92367b043a3.pdfIn PDF document text
  • https://cdn-cms.f-static.net/uploads/4384461/normal_5f9198102b310.pdfIn PDF document text
  • https://cdn-cms.f-static.net/uploads/4376120/normal_5fa3d64e534c3.pdfIn PDF document text
  • https://cdn-cms.f-static.net/uploads/4374368/normal_5fa1eea6a8bda.pdfIn PDF document text
  • https://cdn-cms.f-static.net/uploads/4370768/normal_5f88f0e10dc41.pdfIn PDF document text
  • https://cdn-cms.f-static.net/uploads/4444622/normal_5f9eaab3a6b52.pdfIn PDF document text
  • https://cdn-cms.f-static.net/uploads/4479254/normal_5fa7befd30425.pdfIn PDF document text
  • https://cdn-cms.f-static.net/uploads/4367283/normal_5f887382373c2.pdfIn PDF document text
  • http://www.ascendercorp.com/In PDF document text
  • http://www.ascendercorp.com/typedesigners.htmlIn PDF document text
  • http://www.daltonmaag.com/In PDF document text
  • https://uploads.strikinglycdn.com/files/ef977c5c-e550-4c35-a326-8e59b575d324/think_through_math_create_account.pdfIn PDF document text
  • https://uploads.strikinglycdn.com/files/8b3cdbe3-00ce-47eb-9b04-70824ba043dc/kufesilexanejizi.pdfIn PDF document text
  • https://uploads.strikinglycdn.com/files/80d7668e-530f-4ec6-b1be-c54d54f5f24a/8778562734.pdfIn PDF document text
  • https://s3.amazonaws.com/xukonakefules/titukivenilenudabiwixete.pdfIn PDF document text
  • https://uploads.strikinglycdn.com/files/2610cafa-727d-46e0-88a7-c1344a4c8db5/lifolitami.pdfIn PDF document text
  • https://uploads.strikinglycdn.com/files/0a72e217-a831-47ad-8b80-bcb7199de759/ranozegezodug.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 PDF document text

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