Malicious PDF — malware analysis report

Heuristics 6

• ClamAV: Pdf.Phishing.Trojan-d2528dad23a95d95-d2528dad23a95d95-10044376-0 critical CLAMAV_DETECTION
  ClamAV detected this file as malware: Pdf.Phishing.Trojan-d2528dad23a95d95-d2528dad23a95d95-10044376-0
• 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.
• External URI info PDF_URI
  PDF contains an external URL action
• 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://trafffi.ru/strik?keyword=rdh+meaning+text PDF link annotation

  • https://xirofagoxo.weebly.com/uploads/1/3/4/5/134576207/eb955e.pdfIn PDF document text
  • https://cdn-cms.f-static.net/uploads/4387715/normal_5f8cec5fabe30.pdfIn PDF document text
  • https://cdn-cms.f-static.net/uploads/4426688/normal_5fa62866ee76c.pdfIn PDF document text
  • https://vafumigoku.weebly.com/uploads/1/3/1/3/131384305/lagatapodegixu.pdfIn PDF document text
  • https://cdn-cms.f-static.net/uploads/4419211/normal_5f95e46094a3c.pdfIn PDF document text
  • https://cdn-cms.f-static.net/uploads/4409255/normal_5f9a3b7fa4249.pdfIn PDF document text
  • https://cdn-cms.f-static.net/uploads/4367627/normal_5f8748dae9d9c.pdfIn PDF document text
  • https://cdn-cms.f-static.net/uploads/4425768/normal_5fa2b75dd2426.pdfIn PDF document text
  • https://nexajatolotol.weebly.com/uploads/1/3/4/3/134308242/miwusasuzej.pdfIn PDF document text
  • https://cdn-cms.f-static.net/uploads/4389353/normal_5f8ed37ed7a65.pdfIn PDF document text
  • https://cdn-cms.f-static.net/uploads/4446158/normal_5fa38cc9c54b1.pdfIn PDF document text
  • http://www.ascendercorp.com/In PDF document text
  • http://www.ascendercorp.com/typedesigners.htmlIn PDF document text
  • https://s3.amazonaws.com/jotizifime/nujoxonojogorukowejijeved.pdfIn PDF document text
  • https://uploads.strikinglycdn.com/files/e0e18bf6-8286-4217-ba0d-2b676df87e2c/nuevas_leyes_de_inmigracion_en_cuba.pdfIn PDF document text
  • https://s3.amazonaws.com/leguvefu/moments_of_being_virginia_woolf.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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