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://ggtraff.ru/123?keyword=read+quran+online+pdf+surah+kahf In PDF document text

  • https://polabufasol.weebly.com/uploads/1/3/2/8/132814050/febilatuvumo.pdfIn PDF document text
  • https://firedisivimi.weebly.com/uploads/1/3/0/9/130969818/memeresidu_papivasebur_wawujo.pdfIn PDF document text
  • https://vaxajiwozoli.weebly.com/uploads/1/3/1/6/131637631/xeridibur.pdfIn PDF document text
  • https://cdn-cms.f-static.net/uploads/4369645/normal_5f89bab73c449.pdfIn PDF document text
  • https://cdn-cms.f-static.net/uploads/4366959/normal_5f89c7af46dc3.pdfIn PDF document text
  • https://cdn-cms.f-static.net/uploads/4367642/normal_5f89e59d902b4.pdfIn PDF document text
  • https://cdn-cms.f-static.net/uploads/4379473/normal_5f8be507d7f33.pdfIn PDF document text
  • https://cdn-cms.f-static.net/uploads/4365552/normal_5f87433ec1c00.pdfIn PDF document text
  • https://cdn-cms.f-static.net/uploads/4366009/normal_5f8d5ab3e8cec.pdfIn PDF document text
  • https://cdn-cms.f-static.net/uploads/4374698/normal_5f896c061c5cb.pdfIn PDF document text
  • https://cdn-cms.f-static.net/uploads/4366993/normal_5f87471dd4dd5.pdfIn PDF document text
  • https://cdn-cms.f-static.net/uploads/4375514/normal_5f8ace3ecca3b.pdfIn PDF document text
  • https://cdn-cms.f-static.net/uploads/4372963/normal_5f8a1be9b6b8e.pdfIn PDF document text
  • https://cdn-cms.f-static.net/uploads/4367279/normal_5f8c7e6ce0171.pdfIn PDF document text
  • https://cdn-cms.f-static.net/uploads/4366312/normal_5f8710023f564.pdfIn PDF document text
  • http://www.ascendercorp.com/In extracted file (font_00_sfnt_off00007013.bin)
  • http://www.ascendercorp.com/typedesigners.htmlIn extracted file (font_00_sfnt_off00007013.bin)
  • https://uploads.strikinglycdn.com/files/5a586f39-cf57-40db-8886-65584d57b057/bipom.pdfIn PDF document text
  • https://uploads.strikinglycdn.com/files/ae4fe561-b0cc-4d0f-b91d-47413916f4b8/tejosojomuvotelaw.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://dejavu.sourceforge.netIn extracted file (stream_006_off0000b1a2.bin)
  • http://dejavu.sourceforge.net/wiki/index.php/LicenseIn extracted file (stream_006_off0000b1a2.bin)
  • http://scripts.sil.org/OFLIn extracted file (font_00_sfnt_off00007013.bin)

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