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/strik?utm_term=whale+shark+attack+simulator+2019 In PDF document text

  • https://wafiludelo.weebly.com/uploads/1/3/1/4/131437380/184354.pdfIn PDF document text
  • https://teligodinawam.weebly.com/uploads/1/3/4/4/134457670/felixu_vilub.pdfIn PDF document text
  • https://kikuvabafot.weebly.com/uploads/1/3/4/3/134332304/vukapu.pdfIn PDF document text
  • https://pimapavidi.weebly.com/uploads/1/3/2/7/132740410/bikevepu_xupan_mufukoge.pdfIn PDF document text
  • https://static.s123-cdn-static.com/uploads/4393790/normal_5fc86283e9367.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://static1.squarespace.com/static/5fc7b538feeefa0c0b63a799/t/5fd6dff5ab77727176a230b3/1607917566291/fivakutuv.pdfIn PDF document text
  • https://uploads.strikinglycdn.com/files/78af58e2-3440-4bf6-a933-c0d33ff7ee17/interactive_project_management_dashboard.pdfIn PDF document text
  • https://uploads.strikinglycdn.com/files/cf908fb9-5387-4e28-9e58-db564af5ccf0/ucsd_cse_100_fall_2019.pdfIn PDF document text
  • https://static1.squarespace.com/static/5fc345e6affbf90a66f9bf12/t/5fcd1cb983d2ac65cc1a49e1/1607277754664/9663408394.pdfIn PDF document text
  • https://static1.squarespace.com/static/5fc0e8305687f52b6b812c21/t/5fc6a9fca97599144ee47a85/1606855164689/14336521132.pdfIn PDF document text
  • https://static1.squarespace.com/static/5fc7bb2e04a8c57c148c4860/t/5fca2d0c1a258d244fe7acd3/1607085324946/amtrak_schedule_oceanside_california.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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