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://cctraff.ru/aws?keyword=ucsd+cse+course+schedule In PDF document text

  • https://vuxozajuje.weebly.com/uploads/1/3/1/3/131379873/xenemavurinap_jokepirewiteda_fijalezej_gemewije.pdfIn PDF document text
  • https://cdn-cms.f-static.net/uploads/4366958/normal_5f882e7330692.pdfIn PDF document text
  • https://natizupasa.weebly.com/uploads/1/3/1/4/131437725/6229122.pdfIn PDF document text
  • https://cdn-cms.f-static.net/uploads/4368224/normal_5f90917209817.pdfIn PDF document text
  • https://cdn-cms.f-static.net/uploads/4424347/normal_5f97cbfd0179e.pdfIn PDF document text
  • http://www.ascendercorp.com/In extracted file (font_00_sfnt_off00005b4c.bin)
  • http://www.ascendercorp.com/typedesigners.htmlIn extracted file (font_00_sfnt_off00005b4c.bin)
  • https://s3.amazonaws.com/begijufadi/consumer_behavior_definition_journal.pdfIn PDF document text
  • https://s3.amazonaws.com/vazisi/centrifugal_compressor_theory.pdfIn PDF document text
  • https://cdn.shopify.com/s/files/1/0430/6767/0689/files/garmin_alpha_100_manual.pdfIn PDF document text
  • https://uploads.strikinglycdn.com/files/2bc6edd9-fde9-4da8-ba9e-fbaf4c2f171d/getulasatokofak.pdfIn PDF document text
  • https://cdn.shopify.com/s/files/1/0503/8309/3910/files/joniravefunetawake.pdfIn PDF document text
  • https://s3.amazonaws.com/tipikaxe/sinis.pdfIn PDF document text
  • https://uploads.strikinglycdn.com/files/e9f14649-cbe1-459e-8515-ba074ed7322d/sozenota.pdfIn PDF document text
  • https://s3.amazonaws.com/mijedusovineti/52597383834.pdfIn PDF document text
  • https://s3.amazonaws.com/tarajix/39023141445.pdfIn PDF document text
  • https://cdn.shopify.com/s/files/1/0482/1457/3213/files/jexawavizajiveweg.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 extracted file (font_00_sfnt_off00005b4c.bin)

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