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=realtek+digital+output+driver+windows+10 In PDF document text

  • https://cdn-cms.f-static.net/uploads/4367941/normal_5f889b356655a.pdfIn PDF document text
  • https://zazokovorif.weebly.com/uploads/1/3/4/3/134321981/4367358.pdfIn PDF document text
  • https://vuxozajuje.weebly.com/uploads/1/3/1/3/131379873/rezareludufiven-voxodopi.pdfIn PDF document text
  • https://cdn-cms.f-static.net/uploads/4375350/normal_5f91f882a24bf.pdfIn PDF document text
  • https://cdn-cms.f-static.net/uploads/4405644/normal_5f9478fb1ef46.pdfIn PDF document text
  • https://cdn-cms.f-static.net/uploads/4386361/normal_5f8cae40d459c.pdfIn PDF document text
  • https://cdn-cms.f-static.net/uploads/4373241/normal_5f8b99ac414d3.pdfIn PDF document text
  • https://cdn-cms.f-static.net/uploads/4422640/normal_5f9a02ecb481e.pdfIn PDF document text
  • https://cdn-cms.f-static.net/uploads/4380090/normal_5f8fe7872c10f.pdfIn PDF document text
  • https://cdn-cms.f-static.net/uploads/4370062/normal_5f94840d7a524.pdfIn PDF document text
  • https://cdn-cms.f-static.net/uploads/4376619/normal_5f926d393d4a7.pdfIn PDF document text
  • https://biduvokiket.weebly.com/uploads/1/3/4/3/134367510/wufasuzu.pdfIn PDF document text
  • https://cdn-cms.f-static.net/uploads/4368222/normal_5f89cf516f878.pdfIn PDF document text
  • https://cdn-cms.f-static.net/uploads/4367912/normal_5f87f0cd42db4.pdfIn PDF document text
  • http://www.ascendercorp.com/In extracted file (font_00_sfnt_off00007862.bin)
  • http://www.ascendercorp.com/typedesigners.htmlIn extracted file (font_00_sfnt_off00007862.bin)
  • http://www.daltonmaag.com/In extracted file (font_02_sfnt_off0000aea1.bin)
  • https://cdn.shopify.com/s/files/1/0437/6035/3429/files/rac_caravan_insurance.pdfIn PDF document text
  • https://cdn.shopify.com/s/files/1/0435/5417/7185/files/benefits_of_reinsurance.pdfIn PDF document text
  • https://cdn.shopify.com/s/files/1/0497/9766/0835/files/chanin_ives_sidney_ny.pdfIn PDF document text
  • https://cdn.shopify.com/s/files/1/0432/3357/5075/files/18429856278.pdfIn PDF document text
  • https://uploads.strikinglycdn.com/files/bf0a4e30-7830-4f0f-bc32-ceb2fd597e5e/34535920562.pdfIn PDF document text
  • https://cdn.shopify.com/s/files/1/0496/0554/2051/files/ios_8_launcher_apk_full_version.pdfIn PDF document text
  • https://uploads.strikinglycdn.com/files/1e401536-b894-4737-b3bb-ae20ab83780f/gefitiwil.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_off00007862.bin)

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