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://ggtraff.ru/aws?keyword=public+finance+and+taxation+handout+pdf In PDF document text

  • https://cdn-cms.f-static.net/uploads/4383302/normal_5f922d8cd7b4e.pdfIn PDF document text
  • https://cdn-cms.f-static.net/uploads/4377388/normal_5f94d110a2245.pdfIn PDF document text
  • https://cdn-cms.f-static.net/uploads/4367302/normal_5f8743f4d8425.pdfIn PDF document text
  • https://cdn-cms.f-static.net/uploads/4410020/normal_5f9440b055080.pdfIn PDF document text
  • https://cdn-cms.f-static.net/uploads/4385647/normal_5f943eb7a9008.pdfIn PDF document text
  • https://cdn-cms.f-static.net/uploads/4366980/normal_5f927318314ee.pdfIn PDF document text
  • https://cdn-cms.f-static.net/uploads/4412909/normal_5f94adf4d9c82.pdfIn PDF document text
  • https://cdn-cms.f-static.net/uploads/4372955/normal_5f8a6565bff31.pdfIn PDF document text
  • https://cdn-cms.f-static.net/uploads/4383444/normal_5f8d6e5d5058a.pdfIn PDF document text
  • https://cdn-cms.f-static.net/uploads/4366625/normal_5f871bd8abc0b.pdfIn PDF document text
  • https://cdn-cms.f-static.net/uploads/4368237/normal_5f920fae93733.pdfIn PDF document text
  • https://cdn-cms.f-static.net/uploads/4388157/normal_5f90adb8bcc02.pdfIn PDF document text
  • https://cdn-cms.f-static.net/uploads/4366666/normal_5f8897659e250.pdfIn PDF document text
  • https://cdn-cms.f-static.net/uploads/4381748/normal_5f90fa296404f.pdfIn PDF document text
  • https://cdn-cms.f-static.net/uploads/4373986/normal_5f89f0147beff.pdfIn PDF document text
  • https://cdn-cms.f-static.net/uploads/4365652/normal_5f86fc74aed0b.pdfIn PDF document text
  • https://cdn-cms.f-static.net/uploads/4367004/normal_5f8ebad442e26.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/fasanag/alphabet_writing_worksheets_for_kindergarten.pdfIn PDF document text
  • https://s3.amazonaws.com/fogibi/a_grief_observed_cs_lewis_download.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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