Malicious PDF — malware analysis report

Heuristics 5

• 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.
• Small PDF contains mass external PDF link farm critical PDF_SEO_LINK_FARM
  Small PDF contains many clickable external PDF links, mostly clustered on one host. This matches generated SEO/link-farm PDF carriers used to route users into malicious or unwanted-software delivery chains, rather than a normal document citation pattern.
• 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=song+chord+finder+apk+download In PDF document text

  • https://cdn-cms.f-static.net/uploads/4368951/normal_5f87d92f01289.pdfIn PDF document text
  • https://dejolezeg.weebly.com/uploads/1/3/2/8/132815968/mixabokika-xanadujane.pdfIn PDF document text
  • https://wivupenoremew.weebly.com/uploads/1/3/0/7/130775018/8365352.pdfIn PDF document text
  • https://lodirunesu.weebly.com/uploads/1/3/0/8/130874391/b1a10bd.pdfIn PDF document text
  • https://cdn-cms.f-static.net/uploads/4383798/normal_5f8df8ae41e7d.pdfIn PDF document text
  • https://cdn-cms.f-static.net/uploads/4366009/normal_5f8e2fd401464.pdfIn PDF document text
  • https://cdn-cms.f-static.net/uploads/4376852/normal_5f9012b964d62.pdfIn PDF document text
  • http://www.ascendercorp.com/In extracted file (font_00_sfnt_off00006c59.bin)
  • http://www.ascendercorp.com/typedesigners.htmlIn extracted file (font_00_sfnt_off00006c59.bin)
  • https://uploads.strikinglycdn.com/files/8abd5ab2-a55a-449a-abc1-8ea325df74a0/temas_gerektiren_ve_gerektirmeyen_ku.pdfIn PDF document text
  • https://uploads.strikinglycdn.com/files/f47e92e2-3004-4bee-a7dc-1a77e117dd8e/97610595262.pdfIn PDF document text
  • https://uploads.strikinglycdn.com/files/cdc3edf5-0f00-4b6b-9bdf-a6f771fab9d8/90640302528.pdfIn PDF document text
  • https://uploads.strikinglycdn.com/files/cbb79e77-57c0-4759-9177-fec041beb46c/rajutefegadelefe.pdfIn PDF document text
  • https://uploads.strikinglycdn.com/files/d4336cfe-b4ea-40b5-9024-45f23602f3e4/15791528686.pdfIn PDF document text
  • https://uploads.strikinglycdn.com/files/698aa992-723a-4b18-9a3a-2e2f84277be3/xirevazu.pdfIn PDF document text
  • https://uploads.strikinglycdn.com/files/943922c9-c525-4e98-bb2e-5091e152634c/meal_plan_template.pdfIn PDF document text
  • https://cdn.shopify.com/s/files/1/0502/0840/7724/files/generator_rex_agent_of_providence_download_apk.pdfIn PDF document text
  • https://cdn.shopify.com/s/files/1/0499/5599/5801/files/picotest_m3500a_user_manual.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_off00006c59.bin)

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