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=backyard+metal+trellis+designs In PDF document text

  • https://cdn-cms.f-static.net/uploads/4369330/normal_5f9455f12a0c7.pdfIn PDF document text
  • https://cdn-cms.f-static.net/uploads/4409236/normal_5f98085f2ba18.pdfIn PDF document text
  • https://cdn-cms.f-static.net/uploads/4369781/normal_5f97a7ad5d4b6.pdfIn PDF document text
  • https://xosotujusosevo.weebly.com/uploads/1/3/4/3/134377620/ebe7c14.pdfIn PDF document text
  • https://bofufawikifof.weebly.com/uploads/1/3/4/2/134235483/194bbe069.pdfIn PDF document text
  • https://cdn-cms.f-static.net/uploads/4366659/normal_5f88951ccbf56.pdfIn PDF document text
  • http://www.ascendercorp.com/In PDF document text
  • http://www.ascendercorp.com/typedesigners.htmlIn PDF document text
  • https://cdn.shopify.com/s/files/1/0431/9235/2932/files/ashrae_handbook_1996_hvac_systems_and_equipment.pdfIn PDF document text
  • https://cdn.shopify.com/s/files/1/0480/3936/2719/files/react_native_android_release_apk_crash.pdfIn PDF document text
  • https://cdn.shopify.com/s/files/1/0484/7940/4194/files/nesiluwesika.pdfIn PDF document text
  • https://cdn.shopify.com/s/files/1/0435/6875/8943/files/informatics_practices_class_12_sumita_arora.pdfIn PDF document text
  • https://cdn.shopify.com/s/files/1/0266/9051/9228/files/88753890968.pdfIn PDF document text
  • https://cdn.shopify.com/s/files/1/0500/8844/4068/files/livro_de_auditoria_externa.pdfIn PDF document text
  • https://uploads.strikinglycdn.com/files/c25aaf7f-0bc2-4abb-8f22-f33e2196f060/58196303400.pdfIn PDF document text
  • https://s3.amazonaws.com/fasanag/firoxivabiwol.pdfIn PDF document text
  • https://uploads.strikinglycdn.com/files/882ab920-5f8d-41f8-8042-d3990f50d8f6/purposes_of_the_aaronic_priesthood.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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