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/aws?keyword=avast+manual+installer In PDF document text

  • https://cdn-cms.f-static.net/uploads/4406473/normal_5f9e0dbb7f722.pdfIn PDF document text
  • https://cdn-cms.f-static.net/uploads/4385859/normal_5f8caa749e6a3.pdfIn PDF document text
  • https://cdn-cms.f-static.net/uploads/4460251/normal_5fa72501dcd54.pdfIn PDF document text
  • https://cdn-cms.f-static.net/uploads/4485927/normal_5fa8f43d5f98b.pdfIn PDF document text
  • https://cdn-cms.f-static.net/uploads/4393632/normal_5f920310a8d87.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/6a7800f2-1089-4d56-ab75-fd4533d04c03/mobile_strike_power.pdfIn PDF document text
  • https://s3.amazonaws.com/vidadaviwal/michigan_alcohol_screening_test_revised.pdfIn PDF document text
  • https://uploads.strikinglycdn.com/files/77c8eae6-bbf2-4222-98b3-be88ba8d7655/poweriso_full_katlmsz.pdfIn PDF document text
  • https://uploads.strikinglycdn.com/files/794f99cb-e42b-43b0-b2e0-a8b88a005699/60745370473.pdfIn PDF document text
  • https://uploads.strikinglycdn.com/files/4149c017-a848-4cf4-b98b-d0cf06f46890/davufogipanakinuvofesebu.pdfIn PDF document text
  • https://uploads.strikinglycdn.com/files/20e35c94-5d41-46ef-a31a-db213daa6838/5547408539.pdfIn PDF document text
  • https://uploads.strikinglycdn.com/files/d2d296dc-fa1c-4a82-a26f-ab426f69661e/fundamentals_of_financial_management_concise_7th_edition.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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