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/wb?keyword=6%20letter%20words%20that%20start%20with%20ho In PDF document text

  • https://cdn-cms.f-static.net/uploads/4375525/normal_5f8fc5ac7d6a0.pdfIn PDF document text
  • https://cdn-cms.f-static.net/uploads/4383460/normal_5f8dc045bf1d9.pdfIn PDF document text
  • https://cdn-cms.f-static.net/uploads/4405179/normal_5f930adf7be21.pdfIn PDF document text
  • https://cdn-cms.f-static.net/uploads/4370547/normal_5f9f22d491fc7.pdfIn PDF document text
  • https://cdn-cms.f-static.net/uploads/4402486/normal_5f9bd37ef3a97.pdfIn PDF document text
  • https://cdn-cms.f-static.net/uploads/4368506/normal_5f8aba5c40397.pdfIn PDF document text
  • https://cdn-cms.f-static.net/uploads/4386092/normal_5f9d18f61f12d.pdfIn PDF document text
  • https://cdn-cms.f-static.net/uploads/4378852/normal_5f8b2e258c844.pdfIn PDF document text
  • https://cdn-cms.f-static.net/uploads/4384150/normal_5f9b97c09c632.pdfIn PDF document text
  • https://cdn-cms.f-static.net/uploads/4402280/normal_5f9dbe1570233.pdfIn PDF document text
  • http://www.ascendercorp.com/In PDF document text
  • http://www.ascendercorp.com/typedesigners.htmlIn PDF document text
  • https://s3.amazonaws.com/wizidimawag/tenidididemeduxo.pdfIn PDF document text
  • https://uploads.strikinglycdn.com/files/2616eaaf-2385-41d3-93c9-d0f4836b52af/xoxudipuwukopubomus.pdfIn PDF document text
  • https://s3.amazonaws.com/zasepo/wifugenabisosed.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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