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://jottigo.ru/wix?keyword=calculating+ph+worksheet PDF link annotation

  • https://static.s123-cdn-static.com/uploads/4416319/normal_5fcc5b19de869.pdfIn PDF document text
  • https://static.s123-cdn-static.com/uploads/4450504/normal_6008a0e864235.pdfIn PDF document text
  • https://static.s123-cdn-static.com/uploads/4419452/normal_5ffce1956adf2.pdfIn PDF document text
  • https://cdn-cms.f-static.net/uploads/4483362/normal_5fe7e800df469.pdfIn PDF document text
  • https://cdn-cms.f-static.net/uploads/4444657/normal_5fe9ae8034aee.pdfIn PDF document text
  • https://cdn-cms.f-static.net/uploads/4460060/normal_5fd60d6f7a830.pdfIn PDF document text
  • https://static.s123-cdn-static.com/uploads/4445331/normal_6004e5da29b92.pdfIn PDF document text
  • https://static.s123-cdn-static.com/uploads/4463792/normal_5fef00a76692d.pdfIn PDF document text
  • https://cdn-cms.f-static.net/uploads/4367297/normal_600a296a495c1.pdfIn PDF document text
  • https://static.s123-cdn-static.com/uploads/4417648/normal_5ff24c7dcd951.pdfIn PDF document text
  • https://static.s123-cdn-static.com/uploads/4426819/normal_5fe316386c47f.pdfIn PDF document text
  • https://static.s123-cdn-static.com/uploads/4484804/normal_5fe4dbb871f91.pdfIn PDF document text
  • https://static.s123-cdn-static.com/uploads/4383579/normal_5fed9e8284379.pdfIn PDF document text
  • https://static.s123-cdn-static.com/uploads/4465145/normal_6003bd9ebbcbb.pdfIn PDF document text
  • https://cdn-cms.f-static.net/uploads/4375203/normal_5fdb119dcdd2b.pdfIn PDF document text
  • https://cdn-cms.f-static.net/uploads/4421333/normal_600db2867c7e1.pdfIn PDF document text
  • https://static.s123-cdn-static.com/uploads/4417313/normal_6005a290b9e03.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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