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=sas+statistical+software+pdf In PDF document text

  • https://juporolo.weebly.com/uploads/1/3/1/3/131380745/3f5f725a89f47d.pdfIn PDF document text
  • https://dutitujazekap.weebly.com/uploads/1/3/0/8/130814390/logape.pdfIn PDF document text
  • https://redunexodozik.weebly.com/uploads/1/3/0/8/130814050/8650654.pdfIn PDF document text
  • https://cdn-cms.f-static.net/uploads/4403127/normal_5f9438db6f56e.pdfIn PDF document text
  • https://cdn-cms.f-static.net/uploads/4386079/normal_5f8feb66e27d4.pdfIn PDF document text
  • https://cdn-cms.f-static.net/uploads/4413368/normal_5f9538c8ad412.pdfIn PDF document text
  • http://www.ascendercorp.com/In extracted file (font_00_sfnt_off00007275.bin)
  • http://www.ascendercorp.com/typedesigners.htmlIn extracted file (font_00_sfnt_off00007275.bin)
  • https://uploads.strikinglycdn.com/files/aad29682-b0f6-4ebe-9466-02fa41757ebb/xuvinu.pdfIn PDF document text
  • https://uploads.strikinglycdn.com/files/59093f65-8351-41a9-89f5-0bb067ebb6cc/11733327955.pdfIn PDF document text
  • https://uploads.strikinglycdn.com/files/6a68a550-8a36-4c5d-82fe-f32c3a18d130/frankenstein_chapter_21_quotes.pdfIn PDF document text
  • https://uploads.strikinglycdn.com/files/22219f1d-8b47-4baf-8116-d5dd04615eec/welotexiwewukunelutake.pdfIn PDF document text
  • https://s3.amazonaws.com/voxulija/surah_yasin_in_english_file.pdfIn PDF document text
  • https://s3.amazonaws.com/lejivugeleguwod/homemade_rc_plane_design.pdfIn PDF document text
  • https://s3.amazonaws.com/fezenur/gawomipenafusijuvowamol.pdfIn PDF document text
  • https://cdn.shopify.com/s/files/1/0434/8307/0629/files/bioshock_rapture_espaol.pdfIn PDF document text
  • https://cdn.shopify.com/s/files/1/0431/8255/5300/files/67769749037.pdfIn PDF document text
  • https://cdn.shopify.com/s/files/1/0486/2843/3054/files/90639594330.pdfIn PDF document text
  • https://cdn.shopify.com/s/files/1/0486/4157/3022/files/lizaragadi.pdfIn PDF document text
  • https://cdn.shopify.com/s/files/1/0502/5421/7388/files/siwijanazikugolasezotofil.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_off00007275.bin)
  • http://dejavu.sourceforge.netIn extracted file (font_02_sfnt_off0000abdd.bin)
  • http://dejavu.sourceforge.net/wiki/index.php/LicenseIn extracted file (font_02_sfnt_off0000abdd.bin)

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