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=american+sniper+livro+pdf In PDF document text

  • https://cdn-cms.f-static.net/uploads/4376101/normal_5f8be64d1e3c4.pdfIn PDF document text
  • https://cdn-cms.f-static.net/uploads/4369647/normal_5f9212648d291.pdfIn PDF document text
  • http://www.ascendercorp.com/In extracted file (font_00_sfnt_off0000512c.bin)
  • http://www.ascendercorp.com/typedesigners.htmlIn extracted file (font_00_sfnt_off0000512c.bin)
  • https://cdn.shopify.com/s/files/1/0429/5104/9370/files/divide_by_2_worksheet.pdfIn PDF document text
  • https://cdn.shopify.com/s/files/1/0483/4115/5993/files/65895603692.pdfIn PDF document text
  • https://cdn.shopify.com/s/files/1/0437/2755/2661/files/vegujetixozamukewo.pdfIn PDF document text
  • https://cdn.shopify.com/s/files/1/0481/4313/8965/files/molecular_biology_of_the_gene_watson_7th_edition_download.pdfIn PDF document text
  • https://s3.amazonaws.com/zuxadol/firewall_checkpoint.pdfIn PDF document text
  • https://cdn.shopify.com/s/files/1/0477/4694/1084/files/chefs_choice_meat_slicer_632.pdfIn PDF document text
  • https://s3.amazonaws.com/zemigiduwagafu/brent_weeks_black_prism.pdfIn PDF document text
  • https://cdn.shopify.com/s/files/1/0497/8311/1831/files/case_files_internal_medicine_3rd_edition.pdfIn PDF document text
  • https://s3.amazonaws.com/sugaguxagu/alessandra_rampolla_libros_gratis.pdfIn PDF document text
  • https://s3.amazonaws.com/nokiwovowus/the_passionate_shepherd_to_his_love.pdfIn PDF document text
  • https://cdn.shopify.com/s/files/1/0438/2910/0701/files/fabexuxox.pdfIn PDF document text
  • https://cdn.shopify.com/s/files/1/0429/2693/2124/files/gegezekiloni.pdfIn PDF document text
  • https://cdn.shopify.com/s/files/1/0429/1811/7543/files/88294478130.pdfIn PDF document text
  • https://cdn.shopify.com/s/files/1/0503/2417/7093/files/6075413374.pdfIn PDF document text
  • https://s3.amazonaws.com/xidulumexi/mojafu.pdfIn PDF document text
  • https://cdn.shopify.com/s/files/1/0428/8702/0703/files/bizajizobawujejanupatiw.pdfIn PDF document text
  • https://s3.amazonaws.com/tokit/math_bingo_printable.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_off0000512c.bin)

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