Malicious PDF — malware analysis report

Heuristics 5

• ClamAV: Pdf.Phishing.Trojan-d2528dad23a95d95-d2528dad23a95d95-10044376-0 critical CLAMAV_DETECTION
  ClamAV detected this file as malware: Pdf.Phishing.Trojan-d2528dad23a95d95-d2528dad23a95d95-10044376-0
• 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://jacksth.ru/award?keyword=central+and+peripheral+chemoreceptors+role+in+the+respiration PDF link annotation

  • https://cdn-cms.f-static.net/uploads/4454971/normal_600f1bc1b1e0f.pdfIn PDF document text
  • https://static.s123-cdn-static.com/uploads/4485296/normal_5fcda171d7138.pdfIn PDF document text
  • https://static.s123-cdn-static.com/uploads/4454803/normal_5fe55e32b7f5e.pdfIn PDF document text
  • https://static.s123-cdn-static.com/uploads/4417992/normal_5feb4a8e7a2c1.pdfIn PDF document text
  • https://static.s123-cdn-static.com/uploads/4425726/normal_5fcc9b82aa095.pdfIn PDF document text
  • https://cdn-cms.f-static.net/uploads/4416928/normal_603462f35f2c7.pdfIn PDF document text
  • https://static.s123-cdn-static.com/uploads/4467915/normal_5ff7682ae360e.pdfIn PDF document text
  • https://cdn-cms.f-static.net/uploads/4386834/normal_600ea7cba86e0.pdfIn PDF document text
  • https://cdn-cms.f-static.net/uploads/4426820/normal_5fda6eb7815ad.pdfIn PDF document text
  • https://cdn-cms.f-static.net/uploads/4375095/normal_6022fc5aa562b.pdfIn PDF document text
  • https://static.s123-cdn-static.com/uploads/4453900/normal_5ff970d885406.pdfIn PDF document text
  • https://static.s123-cdn-static.com/uploads/4421478/normal_5ff6277cd1b13.pdfIn PDF document text
  • https://static.s123-cdn-static.com/uploads/4495686/normal_5ffc5025a8969.pdfIn PDF document text
  • https://cdn-cms.f-static.net/uploads/4456391/normal_601d5891b92e6.pdfIn PDF document text
  • https://cdn-cms.f-static.net/uploads/4376869/normal_6014bfebf0b12.pdfIn PDF document text
  • http://www.ascendercorp.com/In PDF document text
  • http://www.ascendercorp.com/typedesigners.htmlIn 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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