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://ttraff.me/123?keyword=heo+quay+da+don+bang+airfry+by+vanh+khuyen In PDF document text

  • https://cdn-cms.f-static.net/uploads/4388272/normal_5f8dec825f554.pdfIn PDF document text
  • https://cdn-cms.f-static.net/uploads/4416304/normal_5f95f5f96adfe.pdfIn PDF document text
  • https://cdn-cms.f-static.net/uploads/4366622/normal_5f880e727cc27.pdfIn PDF document text
  • https://cdn-cms.f-static.net/uploads/4366360/normal_5f8d077ab7d84.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://s3.amazonaws.com/pukasojalu/78265418485.pdfIn PDF document text
  • https://uploads.strikinglycdn.com/files/735bd999-0f76-4f5b-8e75-66049244e62f/86391642332.pdfIn PDF document text
  • https://s3.amazonaws.com/rovotafavap/wopobi.pdfIn PDF document text
  • https://s3.amazonaws.com/jotizifime/vexos.pdfIn PDF document text
  • https://uploads.strikinglycdn.com/files/802959f9-bf04-49d6-9419-c07bb8311cde/28714944944.pdfIn PDF document text
  • https://uploads.strikinglycdn.com/files/45c567bf-fb70-4a29-8c33-a6b0884c8ea9/49358355969.pdfIn PDF document text
  • https://s3.amazonaws.com/biwuwukesazef/lyman_shotshell_reloading_handbook_3rd_edition.pdfIn PDF document text
  • https://s3.amazonaws.com/sakaburepagase/business_plan_for_lawn_care_startup.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
  • http://dejavu.sourceforge.netIn PDF document text
  • http://dejavu.sourceforge.net/wiki/index.php/LicenseIn PDF document text

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