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://gettraff.ru/strik?keyword=o+level+chemistry+past+papers+pdf In PDF document text

  • https://site-1039275.mozfiles.com/files/1039275/tazewolomod.pdfIn PDF document text
  • https://site-1043765.mozfiles.com/files/1043765/40924540329.pdfIn PDF document text
  • http://files.lifeistooshorttostayhome.com/uploads/1/3/1/4/131453484/bunagudebov_vupali_suxasotubinome.pdfIn PDF document text
  • http://files.bunnybakery.co/uploads/1/3/2/6/132695960/8d6296dafdc5.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/7ad68efe-639d-45c9-9d76-05d4cc4cfc67/5506201878.pdfIn PDF document text
  • https://uploads.strikinglycdn.com/files/e14e1761-32fe-4d74-90dd-37abd664b0b1/badutoxamafepibado.pdfIn PDF document text
  • https://uploads.strikinglycdn.com/files/ee2dea0b-3a7b-44e9-9a6c-006e94456674/18116326416.pdfIn PDF document text
  • https://uploads.strikinglycdn.com/files/47afecdb-b185-409a-b92a-438616bed24e/63096382360.pdfIn PDF document text
  • https://cdn.shopify.com/s/files/1/0429/9702/2879/files/63307105489.pdfIn PDF document text
  • https://cdn.shopify.com/s/files/1/0429/4692/0615/files/26326510683.pdfIn PDF document text
  • https://cdn.shopify.com/s/files/1/0434/0855/6182/files/canon_rebel_t3_shooting_tips.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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