Malicious PDF — malware analysis report

Heuristics 6

• 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.
• Browser extension / update installation lure high SE_BROWSER_INSTALL_LURE
  Document tells the user to install a browser extension, plugin, viewer, or browser update to view content — a common social-engineering path for credential theft and malware installation
• 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://ttraff.link/123?keyword=google+calendar+desktop+app+for+android In PDF document text

  • https://kulilopoxi.weebly.com/uploads/1/3/4/3/134375859/ronomefuvaravi.pdfIn PDF document text
  • https://wosezobar.weebly.com/uploads/1/3/1/8/131856012/9900ae60563.pdfIn PDF document text
  • https://turomanusogagi.weebly.com/uploads/1/3/1/4/131453559/kuvawidifakurabebe.pdfIn PDF document text
  • https://kidunaxu.weebly.com/uploads/1/3/1/4/131437100/gufegudipejabeko.pdfIn PDF document text
  • http://www.ascendercorp.com/In extracted file (font_00_sfnt_off00006656.bin)
  • http://www.ascendercorp.com/typedesigners.htmlIn extracted file (font_00_sfnt_off00006656.bin)
  • http://www.daltonmaag.com/In extracted file (font_02_sfnt_off00009b3f.bin)
  • https://s3.amazonaws.com/tadovu/60910315676.pdfIn PDF document text
  • https://s3.amazonaws.com/henghuili-files/shack_hartmann_wavefront_sensor.pdfIn PDF document text
  • https://s3.amazonaws.com/bokofapig/about_indian_history_in_kannada.pdfIn PDF document text
  • https://s3.amazonaws.com/sugaguxagu/72799405743.pdfIn PDF document text
  • https://s3.amazonaws.com/ribowexulo/mowefupinowojopevuxuke.pdfIn PDF document text
  • https://s3.amazonaws.com/gupuso/sbi_bank_po_syllabus_download.pdfIn PDF document text
  • https://s3.amazonaws.com/leguvefu/fosotiboboromil.pdfIn PDF document text
  • https://uploads.strikinglycdn.com/files/e77ba943-680d-411a-8e1f-8d32286c581f/4.3_liter_v6_vortec_engine_diagram.pdfIn PDF document text
  • https://uploads.strikinglycdn.com/files/975dfe46-559e-4a23-b2a2-0de694c2e2ad/4646406925.pdfIn PDF document text
  • https://s3.amazonaws.com/nuxulikiwab/sugarcane_bagasse_ash.pdfIn PDF document text
  • https://s3.amazonaws.com/jinabom/papaxaxixifumalezibeb.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_off00006656.bin)

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