Malicious PDF — malware analysis report

Heuristics 6

• ClamAV: Pdf.Phishing.Trojan-d2568dad23a94d95-d2568dad23a94d95-10044375-0 critical CLAMAV_DETECTION
  ClamAV detected this file as malware: Pdf.Phishing.Trojan-d2568dad23a94d95-d2568dad23a94d95-10044375-0
• 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://traffset.ru/123?utm_term=pearson+comprehensive+medical+assisting+workbook+answers PDF link annotation

  • https://rikisuluwujufa.weebly.com/uploads/1/3/1/4/131452938/mafegumava-zivufovipotaki.pdfIn PDF document text
  • https://cdn-cms.f-static.net/uploads/4387571/normal_5f8ebf5ab9dbf.pdfIn PDF document text
  • https://cdn-cms.f-static.net/uploads/4459922/normal_5fa80b4936ad7.pdfIn PDF document text
  • https://cdn-cms.f-static.net/uploads/4365553/normal_5f969119c5b35.pdfIn PDF document text
  • https://cdn-cms.f-static.net/uploads/4370265/normal_5f9b8758a0e3b.pdfIn PDF document text
  • https://cdn-cms.f-static.net/uploads/4446029/normal_5fbdc9aa18082.pdfIn PDF document text
  • https://cdn-cms.f-static.net/uploads/4365600/normal_5fade9df7ff59.pdfIn PDF document text
  • https://rolosakuzorega.weebly.com/uploads/1/3/1/3/131379035/funijugefotexa.pdfIn PDF document text
  • https://cdn-cms.f-static.net/uploads/4408321/normal_5fb933e00f8fc.pdfIn PDF document text
  • http://www.ascendercorp.com/In PDF document text
  • http://www.ascendercorp.com/typedesigners.htmlIn PDF document text
  • http://www.daltonmaag.com/In PDF document text
  • https://uploads.strikinglycdn.com/files/3d0bee83-99f0-46a8-b73b-a28cf6748d46/48389530411.pdfIn PDF document text
  • https://uploads.strikinglycdn.com/files/e10960bc-bd80-4cfe-8f6c-5010bb1eac39/fefowuropa.pdfIn PDF document text
  • https://uploads.strikinglycdn.com/files/ab0b5db7-590a-4054-b118-7b8168a9c1f7/40201210203.pdfIn PDF document text
  • https://uploads.strikinglycdn.com/files/1a238c4e-b83e-4985-a20e-16143ae0d615/24610724939.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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