Malicious PDF — malware analysis report

Heuristics 4

• 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.
• 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://traffking.ru/strik?keyword=keras+conv2d+activation+maxpooling2d+dropout In PDF document text

  • https://cdn-cms.f-static.net/uploads/4386337/normal_5f9a105162ac1.pdfIn PDF document text
  • https://cdn-cms.f-static.net/uploads/4386363/normal_5f987850d4479.pdfIn PDF document text
  • https://cdn-cms.f-static.net/uploads/4401714/normal_5f9846df38b65.pdfIn PDF document text
  • https://cdn-cms.f-static.net/uploads/4385631/normal_5fa35ccfd79c6.pdfIn PDF document text
  • https://cdn-cms.f-static.net/uploads/4375339/normal_5fa1975d2412b.pdfIn PDF document text
  • https://cdn-cms.f-static.net/uploads/4383794/normal_5f920a2156ba8.pdfIn PDF document text
  • https://cdn-cms.f-static.net/uploads/4366653/normal_5f941ba0ba7b2.pdfIn PDF document text
  • http://www.ascendercorp.com/In PDF document text
  • http://www.ascendercorp.com/typedesigners.htmlIn PDF document text
  • https://s3.amazonaws.com/jimugivos/pokemon_shuffle_apk_mod_1.13.0.pdfIn PDF document text
  • https://s3.amazonaws.com/zuxadol/14979199900.pdfIn PDF document text
  • https://s3.amazonaws.com/bopuxosavubare/67851728435.pdfIn PDF document text
  • https://uploads.strikinglycdn.com/files/c91ace47-3668-4b58-9f73-57cc5e587ba2/34856080781.pdfIn PDF document text
  • https://s3.amazonaws.com/ruzumeb/76377743251.pdfIn PDF document text
  • https://uploads.strikinglycdn.com/files/b2581185-9440-4185-a773-5fb6bcdc162f/72721634382.pdfIn PDF document text
  • https://uploads.strikinglycdn.com/files/c5735e8e-deba-4c2f-9f62-065f274a615d/zibosodopamaxomako.pdfIn PDF document text
  • https://s3.amazonaws.com/zikeko/91942255682.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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