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/123?keyword=e+value+blast+significance In PDF document text

  • https://cdn-cms.f-static.net/uploads/4373520/normal_5f8a73b20842c.pdfIn PDF document text
  • https://cdn-cms.f-static.net/uploads/4385204/normal_5f8ed2613bcb0.pdfIn PDF document text
  • http://www.ascendercorp.com/In extracted file (font_00_sfnt_off0000614d.bin)
  • http://www.ascendercorp.com/typedesigners.htmlIn extracted file (font_00_sfnt_off0000614d.bin)
  • http://www.daltonmaag.com/In extracted file (font_02_sfnt_off000096ab.bin)
  • https://uploads.strikinglycdn.com/files/30cfa899-350d-4071-81cd-6f0b40ce0248/zevoforozeg.pdfIn PDF document text
  • https://uploads.strikinglycdn.com/files/a0f80a36-dc4a-41cd-b41a-d7e7030caa4e/88869240295.pdfIn PDF document text
  • https://uploads.strikinglycdn.com/files/29278e5c-17f4-410c-8e92-0e26fc1d5937/sevibiribedinobibidix.pdfIn PDF document text
  • https://uploads.strikinglycdn.com/files/4bf52d6d-f19e-4933-89d6-3275fb4f65d1/inorganic_chemistry_books_for_msc_download.pdfIn PDF document text
  • https://cdn.shopify.com/s/files/1/0502/1673/0799/files/sky_sports_guide_boxing.pdfIn PDF document text
  • https://cdn.shopify.com/s/files/1/0268/7326/6352/files/wine_cooler_lowes_canada.pdfIn PDF document text
  • https://cdn.shopify.com/s/files/1/0500/3509/7770/files/45658613376.pdfIn PDF document text
  • https://cdn.shopify.com/s/files/1/0495/2018/1414/files/17579456797.pdfIn PDF document text
  • https://cdn.shopify.com/s/files/1/0431/5670/1346/files/paysbook_app_for_android.pdfIn PDF document text
  • https://cdn.shopify.com/s/files/1/0496/6013/3529/files/zupebaxoxuximekatoboji.pdfIn PDF document text
  • https://cdn.shopify.com/s/files/1/0497/5978/1023/files/bsnl_prepaid_recharge_plans_tamilnadu.pdfIn PDF document text
  • https://s3.amazonaws.com/xanebavifamopez/wibewumev.pdfIn PDF document text
  • https://s3.amazonaws.com/megulu/toyota_carina_e_manual_free_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 extracted file (font_00_sfnt_off0000614d.bin)

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