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/strik?keyword=bunyan+Baum+bangkok In PDF document text

  • https://cdn-cms.f-static.net/uploads/4367960/normal_5f880bc2cb23a.pdfIn PDF document text
  • https://cdn-cms.f-static.net/uploads/4366337/normal_5f89f2d4bfb91.pdfIn PDF document text
  • https://cdn-cms.f-static.net/uploads/4373004/normal_5f8a19422ea6d.pdfIn PDF document text
  • https://cdn-cms.f-static.net/uploads/4372719/normal_5f8a066b13fbb.pdfIn PDF document text
  • https://dutitujazekap.weebly.com/uploads/1/3/0/8/130814390/delelides_dasexurekiwar_jajumab.pdfIn PDF document text
  • https://keniwuki.weebly.com/uploads/1/3/1/4/131483234/32e063a95e.pdfIn PDF document text
  • https://tavumake.weebly.com/uploads/1/3/2/7/132740551/6903592.pdfIn PDF document text
  • https://rabifupokuwu.weebly.com/uploads/1/3/1/1/131164250/916753.pdfIn PDF document text
  • https://cdn-cms.f-static.net/uploads/4372371/normal_5f8973891dc44.pdfIn PDF document text
  • https://cdn-cms.f-static.net/uploads/4367268/normal_5f88b710f15c6.pdfIn PDF document text
  • https://cdn-cms.f-static.net/uploads/4374963/normal_5f8a0bcf3c371.pdfIn PDF document text
  • https://cdn-cms.f-static.net/uploads/4366389/normal_5f8844d1a1f20.pdfIn PDF document text
  • https://cdn-cms.f-static.net/uploads/4371246/normal_5f8a14b46f4cc.pdfIn PDF document text
  • http://www.ascendercorp.com/In PDF document text
  • http://www.ascendercorp.com/typedesigners.htmlIn PDF document text
  • https://cdn.shopify.com/s/files/1/0500/4807/3899/files/platelet_function_testing_by_aggregometry_approved_guideline.pdfIn PDF document text
  • https://cdn.shopify.com/s/files/1/0484/0217/0008/files/54968762490.pdfIn PDF document text
  • https://uploads.strikinglycdn.com/files/6f5c520d-3104-461e-b42a-6145e1f7f1b3/46218023109.pdfIn PDF document text
  • https://uploads.strikinglycdn.com/files/a134792f-efee-4885-b100-8999206bab86/fetilikad.pdfIn PDF document text
  • https://uploads.strikinglycdn.com/files/677d2ae6-9929-4938-8455-2ad96ae082a6/8292591259.pdfIn PDF document text
  • https://cdn.shopify.com/s/files/1/0499/3866/1527/files/84235747455.pdfIn PDF document text
  • https://cdn.shopify.com/s/files/1/0438/3437/6352/files/mini_militia_2_mod_apk.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 PDF document text

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