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.
• Small PDF contains mass external PDF link farm critical PDF_SEO_LINK_FARM
  Small PDF contains many clickable external PDF links, mostly clustered on one host. This matches generated SEO/link-farm PDF carriers used to route users into malicious or unwanted-software delivery chains, rather than a normal document citation pattern.
• 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.club/pify?keyword=android+emulator+screenshot+path In PDF document text

  • https://cdn-cms.f-static.net/uploads/4366018/normal_5f87842f24b63.pdfIn PDF document text
  • https://cdn-cms.f-static.net/uploads/4366041/normal_5f86f8249ad86.pdfIn PDF document text
  • https://cdn-cms.f-static.net/uploads/4365551/normal_5f87919b53325.pdfIn PDF document text
  • https://cdn-cms.f-static.net/uploads/4365594/normal_5f877875425aa.pdfIn PDF document text
  • https://site-1043404.mozfiles.com/files/1043404/57928339163.pdfIn PDF document text
  • https://site-1036742.mozfiles.com/files/1036742/78731400641.pdfIn PDF document text
  • https://site-1039777.mozfiles.com/files/1039777/fefomulabo.pdfIn PDF document text
  • https://cdn-cms.f-static.net/uploads/4368956/normal_5f87a26c3eb88.pdfIn PDF document text
  • https://cdn-cms.f-static.net/uploads/4366646/normal_5f87c3b0522c6.pdfIn PDF document text
  • https://cdn-cms.f-static.net/uploads/4366017/normal_5f870e5577186.pdfIn PDF document text
  • https://cdn-cms.f-static.net/uploads/4366339/normal_5f875d34844dc.pdfIn PDF document text
  • https://cdn-cms.f-static.net/uploads/4367617/normal_5f8753011cba1.pdfIn PDF document text
  • https://cdn-cms.f-static.net/uploads/4368952/normal_5f87aafb7db33.pdfIn PDF document text
  • https://cdn-cms.f-static.net/uploads/4366018/normal_5f87d4f6bcfb3.pdfIn PDF document text
  • https://cdn-cms.f-static.net/uploads/4367642/normal_5f8750e60d41a.pdfIn PDF document text
  • https://cdn-cms.f-static.net/uploads/4367286/normal_5f8769218669b.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/bc4c5d71-b577-4a60-904a-e6021e4fc6d0/22330992432.pdfIn PDF document text
  • https://uploads.strikinglycdn.com/files/0d1ab16d-8e25-4a43-acc9-f6b053ca6a60/88778464726.pdfIn PDF document text
  • https://uploads.strikinglycdn.com/files/bb7e5bb3-dc1e-4513-9c33-9df5e8e250c3/sigisofexemexuzegepos.pdfIn PDF document text
  • https://uploads.strikinglycdn.com/files/219360ea-f3cd-4191-beaf-8d6648a03245/jixutomezufefozipele.pdfIn PDF document text
  • https://uploads.strikinglycdn.com/files/5b0e8fba-8082-4b3a-9e03-2ed0f2916c9a/28464321697.pdfIn PDF document text
  • https://cdn.shopify.com/s/files/1/0431/6938/2568/files/xeruboxexejugupokoguzoli.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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