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/aws?keyword=caste+in+indian+politics+notes+pdf In PDF document text

  • https://cdn-cms.f-static.net/uploads/4390385/normal_5f93f3cf7d816.pdfIn PDF document text
  • https://cdn-cms.f-static.net/uploads/4387046/normal_5f93b05b8bab6.pdfIn PDF document text
  • https://cdn-cms.f-static.net/uploads/4365552/normal_5f89959a9d4af.pdfIn PDF document text
  • http://www.ascendercorp.com/In extracted file (font_00_sfnt_off0000828f.bin)
  • http://www.ascendercorp.com/typedesigners.htmlIn extracted file (font_00_sfnt_off0000828f.bin)
  • https://cdn.shopify.com/s/files/1/0483/7880/6425/files/scarlet_chested_parakeets_for_sale_in_florida.pdfIn PDF document text
  • https://cdn.shopify.com/s/files/1/0483/4295/8231/files/fojulotele.pdfIn PDF document text
  • https://cdn.shopify.com/s/files/1/0266/7560/9788/files/63167621031.pdfIn PDF document text
  • https://cdn.shopify.com/s/files/1/0496/6567/1325/files/charter_tv_guide_asheville_nc.pdfIn PDF document text
  • https://cdn.shopify.com/s/files/1/0266/9510/6750/files/sebawiwadetuz.pdfIn PDF document text
  • https://s3.amazonaws.com/somamere/fakabafewena.pdfIn PDF document text
  • https://s3.amazonaws.com/tuxenipup/jobiduzupimumawe.pdfIn PDF document text
  • https://s3.amazonaws.com/kavitokolezub/20033560093.pdfIn PDF document text
  • https://s3.amazonaws.com/zetare/catholic_high_school_entrance_exams_for_dummies.pdfIn PDF document text
  • https://cdn.shopify.com/s/files/1/0266/8937/2329/files/44426648427.pdfIn PDF document text
  • https://cdn.shopify.com/s/files/1/0430/8389/0850/files/all_that_is_solid_melts_into_air_shakespeare.pdfIn PDF document text
  • https://cdn.shopify.com/s/files/1/0428/9737/5388/files/kingroot_apk_download_latest_version_6.0.pdfIn PDF document text
  • https://cdn.shopify.com/s/files/1/0492/7756/7132/files/jabopavoginasu.pdfIn PDF document text
  • https://s3.amazonaws.com/bizamesuwepe/health_benefits_of_carotenoids.pdfIn PDF document text
  • https://s3.amazonaws.com/taturi/antennas_and_wave_propagation_harish_and_sachidananda_free_download.pdfIn PDF document text
  • https://s3.amazonaws.com/wonoti/levam.pdfIn PDF document text
  • https://s3.amazonaws.com/zizene/spatial_analysis_workbook.pdfIn PDF document text
  • https://s3.amazonaws.com/gupuso/novogapabagemejup.pdfIn PDF document text
  • https://uploads.strikinglycdn.com/files/44d47d1e-4513-4a00-adfe-2ceac17fd10a/sibinumerabinisa.pdfIn PDF document text
  • https://uploads.strikinglycdn.com/files/23a8643c-07e1-4d96-9c67-66177d935177/antman_torrent_download.pdfIn PDF document text
  • https://uploads.strikinglycdn.com/files/e49b8fec-1ff2-4d49-b908-3b2d012d6865/sms_blocker_award_winner_premium_apk.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_off0000828f.bin)

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