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=figures+of+speech+worksheets+with+answers In PDF document text

  • https://manuxemewawi.weebly.com/uploads/1/3/4/4/134443751/gefuzetixivosi.pdfIn PDF document text
  • https://dutitujazekap.weebly.com/uploads/1/3/0/8/130814390/tunitulo.pdfIn PDF document text
  • https://putigazabikikim.weebly.com/uploads/1/3/2/6/132682718/04d4d.pdfIn PDF document text
  • https://cdn-cms.f-static.net/uploads/4369638/normal_5f89b2cd7f604.pdfIn PDF document text
  • https://cdn-cms.f-static.net/uploads/4372740/normal_5f8aef82be4c4.pdfIn PDF document text
  • https://cdn-cms.f-static.net/uploads/4366408/normal_5f8824155cb31.pdfIn PDF document text
  • https://cdn-cms.f-static.net/uploads/4383321/normal_5f906aad1b219.pdfIn PDF document text
  • https://cdn-cms.f-static.net/uploads/4365536/normal_5f87441a869fa.pdfIn PDF document text
  • http://www.ascendercorp.com/In extracted file (font_00_sfnt_off00007a84.bin)
  • http://www.ascendercorp.com/typedesigners.htmlIn extracted file (font_00_sfnt_off00007a84.bin)
  • http://www.daltonmaag.com/In extracted file (font_02_sfnt_off0000afc1.bin)
  • https://s3.amazonaws.com/pisik/tapefemitomube.pdfIn PDF document text
  • https://s3.amazonaws.com/pizexopenaxu/catalogo_hinode_peru.pdfIn PDF document text
  • https://s3.amazonaws.com/subud/79342657171.pdfIn PDF document text
  • https://uploads.strikinglycdn.com/files/d68e5298-2d5a-4631-909a-7546e99c1c0d/3926417797.pdfIn PDF document text
  • https://uploads.strikinglycdn.com/files/39a7d3be-be66-4dc8-b4ad-ce9bda6046a2/tadejizofobedalozo.pdfIn PDF document text
  • https://uploads.strikinglycdn.com/files/6825a1e0-762a-4045-a626-f808f93f9d19/mewoj.pdfIn PDF document text
  • https://uploads.strikinglycdn.com/files/5e8e5b41-ccf2-4ca2-81ae-a7b09980f81a/45406372926.pdfIn PDF document text
  • https://s3.amazonaws.com/gewisetug/kenefirajevojosovuzomegog.pdfIn PDF document text
  • https://s3.amazonaws.com/fopalew/classification_of_living_things_worksheets.pdfIn PDF document text
  • https://s3.amazonaws.com/gotijejaj/timipolorufawixewe.pdfIn PDF document text
  • https://s3.amazonaws.com/gedimuta/meter_conversion_table.pdfIn PDF document text
  • https://s3.amazonaws.com/sugaguxagu/alternative_dispute_resolution_robeniol.pdfIn PDF document text
  • https://s3.amazonaws.com/welanisowari/writing_task_1_general_ielts.pdfIn PDF document text
  • https://s3.amazonaws.com/vukusa/your_grace_still_amazes_me_lyrics.pdfIn PDF document text
  • https://s3.amazonaws.com/subud/18886058255.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_off00007a84.bin)

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