Malicious PDF — malware analysis report

Heuristics 7

• 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.
• QR-code redirect lure medium SE_QR_LURE
  Document instructs the user to scan a QR code with a phone — consistent with QR phishing, but also common in legitimate documents
• 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/wb?keyword=what%20is%20the%20zip%20code%20+%204%20for%20this%20address PDF link annotation

  • https://cdn-cms.f-static.net/uploads/4480383/normal_6022bca8b1d21.pdfIn PDF document text
  • https://static.s123-cdn-static.com/uploads/4484093/normal_5ffc31011a24d.pdfIn PDF document text
  • https://cdn.sqhk.co/xivorotil/ahcijvJ/hilda_creatures_app_guide.pdfIn PDF document text
  • https://ziregorex.weebly.com/uploads/1/3/5/3/135351653/mupeburaxukugabu.pdfIn PDF document text
  • https://static.s123-cdn-static.com/uploads/4369315/normal_60039141c650b.pdfIn PDF document text
  • https://cdn.sqhk.co/tefulobesa/chcjdSP/xufuxijevikogofefereto.pdfIn PDF document text
  • https://cdn-cms.f-static.net/uploads/4495269/normal_601f9683bae30.pdfIn PDF document text
  • https://cdn.sqhk.co/nixafusoda/jMvVUgf/teach_college_education_courses_online.pdfIn PDF document text
  • https://cdn-cms.f-static.net/uploads/4500453/normal_5fd1957578b91.pdfIn PDF document text
  • https://zazalefofano.weebly.com/uploads/1/3/4/5/134578352/tazaxunavepek-ruwemabozitine-xesopojegijij.pdfIn PDF document text
  • https://cdn-cms.f-static.net/uploads/4386829/normal_601822e4199ab.pdfIn PDF document text
  • https://cdn.sqhk.co/fogobewataja/PiasijO/77925735023.pdfIn PDF document text
  • https://static.s123-cdn-static.com/uploads/4376380/normal_5ffc2bb16111e.pdfIn PDF document text
  • https://static.s123-cdn-static.com/uploads/4444875/normal_5ffe0945502b7.pdfIn PDF document text
  • https://cdn.sqhk.co/vizinifum/hj7XhgI/qr_code_scanner_online_jio_mobile.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/dugibabafod/cbse_class_10_online_marksheet.pdfIn PDF document text
  • https://s3.amazonaws.com/gixawetopoli/vapidebetakesazolufaloka.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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