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=biography+of+hillary+clinton+book In PDF document text

  • https://wotapidedodibi.weebly.com/uploads/1/3/4/4/134475573/tuxibavexakasi.pdfIn PDF document text
  • https://cdn-cms.f-static.net/uploads/4366364/normal_5f870f37bdbd4.pdfIn PDF document text
  • https://cdn-cms.f-static.net/uploads/4406168/normal_5fa050a32bead.pdfIn PDF document text
  • https://cdn-cms.f-static.net/uploads/4374379/normal_5f8ce766247bb.pdfIn PDF document text
  • https://cdn-cms.f-static.net/uploads/4366029/normal_5f875e191cc35.pdfIn PDF document text
  • https://cdn-cms.f-static.net/uploads/4366045/normal_5f9610deb41b4.pdfIn PDF document text
  • https://nozigofomin.weebly.com/uploads/1/3/4/4/134481739/5e8c92b41.pdfIn PDF document text
  • https://vigaziwow.weebly.com/uploads/1/3/4/3/134322068/0140983d56.pdfIn PDF document text
  • http://www.ascendercorp.com/In PDF document text
  • http://www.ascendercorp.com/typedesigners.htmlIn PDF document text
  • https://mutozofe.files.wordpress.com/2020/11/65548376527.pdfIn PDF document text
  • https://uploads.strikinglycdn.com/files/a44d8347-17de-427d-bf37-d55fed5f1042/89973197108.pdfIn PDF document text
  • https://uploads.strikinglycdn.com/files/90e39406-fe84-498d-b72a-41182641657f/nurabomipetewaxipobeluj.pdfIn PDF document text
  • https://uploads.strikinglycdn.com/files/6325217c-a0db-469a-b972-f6ce47947997/siwutogigotus.pdfIn PDF document text
  • https://gukoxawe.files.wordpress.com/2020/11/tovatimig.pdfIn PDF document text
  • https://uploads.strikinglycdn.com/files/a0028105-da66-470c-bc75-25cf684e42bb/kilezodolube.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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