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=voice+training+course+pdf In PDF document text

  • https://cdn-cms.f-static.net/uploads/4385020/normal_5f8d2dfa8498e.pdfIn PDF document text
  • https://cdn-cms.f-static.net/uploads/4366668/normal_5f8a4b3c00387.pdfIn PDF document text
  • https://cdn-cms.f-static.net/uploads/4369776/normal_5f8ab48e3ee91.pdfIn PDF document text
  • https://cdn-cms.f-static.net/uploads/4375907/normal_5f8fd28ddc489.pdfIn PDF document text
  • https://cdn-cms.f-static.net/uploads/4387419/normal_5f96699004546.pdfIn PDF document text
  • https://cdn-cms.f-static.net/uploads/4374847/normal_5f8a8aa4aad5a.pdfIn PDF document text
  • https://cdn-cms.f-static.net/uploads/4366389/normal_5f88ac5d14830.pdfIn PDF document text
  • http://www.ascendercorp.com/In extracted file (font_00_sfnt_off00006db8.bin)
  • http://www.ascendercorp.com/typedesigners.htmlIn extracted file (font_00_sfnt_off00006db8.bin)
  • https://uploads.strikinglycdn.com/files/8ceb91b8-8870-4b11-b9b4-4cbe94e5fd40/58065865720.pdfIn PDF document text
  • https://uploads.strikinglycdn.com/files/f43f3c18-78bd-4440-a57b-5b9210945151/salisoseputezedolonino.pdfIn PDF document text
  • https://uploads.strikinglycdn.com/files/b16014be-12f6-4786-b187-e37cb4a4ee1e/vogafovatujefa.pdfIn PDF document text
  • https://uploads.strikinglycdn.com/files/3d7f0a03-eb7a-43f6-ae93-9cec9133c86d/47068809454.pdfIn PDF document text
  • https://uploads.strikinglycdn.com/files/8fa878bf-62fb-4da3-b7ad-3b08d7a0647a/36661767871.pdfIn PDF document text
  • https://uploads.strikinglycdn.com/files/9aa6e5d1-8bee-41ed-aac7-fde894e57d73/nomatogafuvaxunux.pdfIn PDF document text
  • https://uploads.strikinglycdn.com/files/325ecf1a-8af7-4c37-9ce8-b467f845e87e/miami_dolphins_colors_rgb.pdfIn PDF document text
  • https://cdn.shopify.com/s/files/1/0482/3256/2840/files/53816399546.pdfIn PDF document text
  • https://cdn.shopify.com/s/files/1/0437/6035/3429/files/comprehension_worksheet_ks2.pdfIn PDF document text
  • https://cdn.shopify.com/s/files/1/0432/6857/1294/files/67540921695.pdfIn PDF document text
  • https://cdn.shopify.com/s/files/1/0266/9081/4141/files/16462937106.pdfIn PDF document text
  • https://cdn.shopify.com/s/files/1/0441/0900/4952/files/effective_instructional_leadership_requires_assessment_leadership.pdfIn PDF document text
  • https://cdn.shopify.com/s/files/1/0488/2854/7237/files/mudosafoxowigazepifug.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_off00006db8.bin)

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