Malicious PDF — malware analysis report

Heuristics 7

• 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.
• Remote-support tool lure high SE_REMOTE_SUPPORT_LURE
  Document instructs the user to install, open, or connect with a remote-support tool such as AnyDesk, TeamViewer, Quick Assist, or ScreenConnect — high-risk in an unsolicited document
• 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://seumenha.ru/wix?keyword=restriction+enzymes+worksheet+answers PDF link annotation

  • https://cdn-cms.f-static.net/uploads/4404103/normal_5fd7f43415f51.pdfIn PDF document text
  • https://jesiwiluvilad.weebly.com/uploads/1/3/1/8/131857580/b04f7f0db.pdfIn PDF document text
  • https://lozofedexipa.weebly.com/uploads/1/3/5/9/135969573/15321.pdfIn PDF document text
  • https://cdn-cms.f-static.net/uploads/4451018/normal_600de525c8e69.pdfIn PDF document text
  • https://static.s123-cdn-static.com/uploads/4480732/normal_5ffeb3b58f8bd.pdfIn PDF document text
  • https://static.s123-cdn-static.com/uploads/4382618/normal_5fdf9b9771223.pdfIn PDF document text
  • https://fevenegor.weebly.com/uploads/1/3/1/3/131380973/9568378.pdfIn PDF document text
  • https://cdn-cms.f-static.net/uploads/4501380/normal_60226299dc981.pdfIn PDF document text
  • https://cdn.sqhk.co/wujamufaw/haMMTQg/kineferujaru.pdfIn PDF document text
  • https://cdn.sqhk.co/ributexovek/Gchbhhx/besugelafa.pdfIn PDF document text
  • https://torolanomopefi.weebly.com/uploads/1/3/0/7/130739669/nufagori_pijetaxadezav.pdfIn PDF document text
  • https://static.s123-cdn-static.com/uploads/4491686/normal_6008cdc91bb7d.pdfIn PDF document text
  • https://static.s123-cdn-static.com/uploads/4496580/normal_5ff7a9ffc37b0.pdfIn PDF document text
  • https://static.s123-cdn-static.com/uploads/4393353/normal_5feeab7f0f3e5.pdfIn PDF document text
  • https://duzopotubesafes.weebly.com/uploads/1/3/4/8/134890215/papujadunawatamek.pdfIn PDF document text
  • http://www.ascendercorp.com/In PDF document text
  • http://www.ascendercorp.com/typedesigners.htmlIn PDF document text
  • http://worubag.epizy.com/minecraft_barad_dur_map.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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