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://traffmen.ru/123?keyword=career+cruising+matchmaker+assessment In PDF document text

  • https://cdn-cms.f-static.net/uploads/4379733/normal_5f97ffa2b12fc.pdfIn PDF document text
  • https://cdn-cms.f-static.net/uploads/4426558/normal_5f99f01043374.pdfIn PDF document text
  • https://cdn-cms.f-static.net/uploads/4390660/normal_5f97854d16a23.pdfIn PDF document text
  • https://cdn-cms.f-static.net/uploads/4373016/normal_5f8f4facf313a.pdfIn PDF document text
  • https://cdn-cms.f-static.net/uploads/4416321/normal_5f95120de5e7e.pdfIn PDF document text
  • https://cdn-cms.f-static.net/uploads/4366339/normal_5f876125450c8.pdfIn PDF document text
  • https://cdn-cms.f-static.net/uploads/4384307/normal_5f9eb21e61eeb.pdfIn PDF document text
  • http://www.ascendercorp.com/In PDF document text
  • http://www.ascendercorp.com/typedesigners.htmlIn PDF document text
  • https://uploads.strikinglycdn.com/files/94d57955-d909-4ed3-ab91-8e545fd06066/wound_clinic_rainham_kent.pdfIn PDF document text
  • https://palotev.files.wordpress.com/2020/11/55591681590.pdfIn PDF document text
  • https://saxofenofam.files.wordpress.com/2020/11/terrace_house_tokyo_2019_2020_downlo.pdfIn PDF document text
  • https://uploads.strikinglycdn.com/files/441ac555-6b46-4b78-b027-46472c5318a7/gewurunenamabosanetanel.pdfIn PDF document text
  • https://uploads.strikinglycdn.com/files/437b49e1-7b7b-4dd5-bfa0-4b68221070bb/93634618917.pdfIn PDF document text
  • https://rawunimuz.files.wordpress.com/2020/11/oswaal_sample_paper_class_10_maths_2020_download.pdfIn PDF document text
  • https://s3.amazonaws.com/tufujifinobiro/xotazoniduzarolururo.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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