Malicious PDF — malware analysis report

Heuristics 5

• 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.
• Clipboard command execution lure high SE_CLIPBOARD_COMMAND_LURE
  Document tells the user to copy or paste clipboard content into Run, PowerShell, cmd, or another shell-like execution context
• 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://gettraff.ru/123?keyword=android+ndk+or+sdk In PDF document text

  • https://cdn-cms.f-static.net/uploads/4368244/normal_5f87648184e9b.pdfIn PDF document text
  • https://cdn-cms.f-static.net/uploads/4365553/normal_5f8740cded2bb.pdfIn PDF document text
  • https://cdn-cms.f-static.net/uploads/4365626/normal_5f86f43d9d918.pdfIn PDF document text
  • https://site-1043289.mozfiles.com/files/1043289/baguzigabivevurunuvop.pdfIn PDF document text
  • https://site-1048248.mozfiles.com/files/1048248/54790209416.pdfIn PDF document text
  • https://site-1039900.mozfiles.com/files/1039900/85746060123.pdfIn PDF document text
  • https://site-1039921.mozfiles.com/files/1039921/vakubilekopedopenapami.pdfIn PDF document text
  • https://site-1036855.mozfiles.com/files/1036855/gefuliriwiwojunokojutova.pdfIn PDF document text
  • https://site-1040507.mozfiles.com/files/1040507/powavokuvejanugogomigufen.pdfIn PDF document text
  • https://cdn-cms.f-static.net/uploads/4366033/normal_5f8724dc46429.pdfIn PDF document text
  • https://cdn-cms.f-static.net/uploads/4369802/normal_5f87ff4d84658.pdfIn PDF document text
  • https://cdn-cms.f-static.net/uploads/4365575/normal_5f87191f40819.pdfIn PDF document text
  • https://cdn-cms.f-static.net/uploads/4366364/normal_5f87cf5b1f4a1.pdfIn PDF document text
  • https://cdn-cms.f-static.net/uploads/4366344/normal_5f876aa1c8dcd.pdfIn PDF document text
  • https://cdn-cms.f-static.net/uploads/4365541/normal_5f86fdb1a0d6a.pdfIn PDF document text
  • https://cdn-cms.f-static.net/uploads/4367277/normal_5f87bebbec17c.pdfIn PDF document text
  • https://cdn-cms.f-static.net/uploads/4366665/normal_5f873eb8ecf0a.pdfIn PDF document text
  • http://www.ascendercorp.com/In PDF document text
  • http://www.ascendercorp.com/typedesigners.htmlIn 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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