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.
• Visual download / call-to-action button lure low SE_DOWNLOAD_BUTTON
  Document contains a call-to-action phrase ('Click here to download', 'Download Now', etc.) — low-signal unless other findings point to a malicious workflow
• 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://traffine.ru/aws?keyword=best+live+tv+app+on+firestick+2019 In PDF document text

  • https://cdn-cms.f-static.net/uploads/4377380/normal_5f8c0149c1bda.pdfIn PDF document text
  • https://cdn-cms.f-static.net/uploads/4380080/normal_5f8c48ca0de5b.pdfIn PDF document text
  • https://lagukekejase.weebly.com/uploads/1/3/0/8/130815031/2294312.pdfIn PDF document text
  • https://cdn-cms.f-static.net/uploads/4425759/normal_5f9c86e4bf9b0.pdfIn PDF document text
  • https://nakumupapetiz.weebly.com/uploads/1/3/2/7/132741615/loropufozader.pdfIn PDF document text
  • https://cdn-cms.f-static.net/uploads/4369763/normal_5f8f1a450f193.pdfIn PDF document text
  • https://cdn-cms.f-static.net/uploads/4420764/normal_5f9758de9cd2a.pdfIn PDF document text
  • https://zosupexaduj.weebly.com/uploads/1/3/0/7/130738593/9481442.pdfIn PDF document text
  • https://cdn-cms.f-static.net/uploads/4388040/normal_5f8d3c1a2396b.pdfIn PDF document text
  • https://wugemevafiditi.weebly.com/uploads/1/3/4/3/134382928/sanawuporod.pdfIn PDF document text
  • https://cdn-cms.f-static.net/uploads/4379846/normal_5f8be2ff36d16.pdfIn PDF document text
  • http://www.ascendercorp.com/In PDF document text
  • http://www.ascendercorp.com/typedesigners.htmlIn PDF document text
  • https://gogajajar.files.wordpress.com/2020/11/48539197016.pdfIn PDF document text
  • https://zisaniv.files.wordpress.com/2020/11/kudoxozape.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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