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/wb?keyword=birkat%20hamazon%20sephardic%20pdf In PDF document text

  • https://s3.amazonaws.com/mijedusovineti/zexoxik.pdfIn PDF document text
  • https://netaxodesu.weebly.com/uploads/1/3/4/3/134367037/9629446.pdfIn PDF document text
  • https://duroxogudoli.weebly.com/uploads/1/3/4/3/134318703/vanusulawepu-tofuw-paxakubosutowa.pdfIn PDF document text
  • https://s3.amazonaws.com/kavalukato/wetigozujexoriban.pdfIn PDF document text
  • https://s3.amazonaws.com/damevusom/viva_la_causa_video_questions_answers.pdfIn PDF document text
  • https://s3.amazonaws.com/tixedujegibex/58752296654.pdfIn PDF document text
  • http://www.ascendercorp.com/In extracted file (font_01_sfnt_off00006c6a.bin)
  • http://www.ascendercorp.com/typedesigners.htmlIn extracted file (font_01_sfnt_off00006c6a.bin)
  • https://uploads.strikinglycdn.com/files/25aa4be5-d96e-4d5e-ba1f-88199e2da25c/73688137062.pdfIn PDF document text
  • https://uploads.strikinglycdn.com/files/d7c06776-2930-4a0e-9af1-3bd8585073ca/62488826958.pdfIn PDF document text
  • https://uploads.strikinglycdn.com/files/76449b34-1315-49de-bcae-626623ccbb54/gebaxukabizoxufixirapegup.pdfIn PDF document text
  • https://uploads.strikinglycdn.com/files/7264f91c-8b04-4d5a-b1d9-6e0e2b83145a/65302288377.pdfIn PDF document text
  • https://uploads.strikinglycdn.com/files/095916e8-3406-4abd-b880-71325ed59ea7/97948132180.pdfIn PDF document text
  • https://uploads.strikinglycdn.com/files/20fee1cb-fafa-4b35-b15f-a254d07d5b76/skin_cleanse_book.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_01_sfnt_off00006c6a.bin)

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