Malicious PDF — malware analysis report

Heuristics 6

• 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.
• 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=cdna%20cloning%20pdf PDF link annotation

  • https://cdn-cms.f-static.net/uploads/4402519/normal_601911d41b3e1.pdfIn PDF document text
  • https://static.s123-cdn-static.com/uploads/4402503/normal_5fe12bd0eec2d.pdfIn PDF document text
  • https://zujamabosav.weebly.com/uploads/1/3/4/3/134363941/2272144.pdfIn PDF document text
  • https://cdn-cms.f-static.net/uploads/4453336/normal_5fe95db345637.pdfIn PDF document text
  • http://mizusowe.66ghz.com/timberland_uk_size_guide.pdfIn PDF document text
  • https://dizilezojo.weebly.com/uploads/1/3/4/2/134234798/179b0.pdfIn PDF document text
  • https://static.s123-cdn-static.com/uploads/4484990/normal_5fec8a4bbec4f.pdfIn PDF document text
  • https://cdn-cms.f-static.net/uploads/4379964/normal_5fd328ed9017a.pdfIn PDF document text
  • https://static.s123-cdn-static.com/uploads/4377414/normal_5feb16f6e1554.pdfIn PDF document text
  • https://cdn-cms.f-static.net/uploads/4387806/normal_5fe661768ca9e.pdfIn PDF document text
  • https://static.s123-cdn-static.com/uploads/4479435/normal_5fde6981ae0b4.pdfIn PDF document text
  • https://nedotumawu.weebly.com/uploads/1/3/4/6/134626041/sudukoke_zelilewoz.pdfIn PDF document text
  • https://static.s123-cdn-static.com/uploads/4369774/normal_5ff6032423c9e.pdfIn PDF document text
  • https://static.s123-cdn-static.com/uploads/4463559/normal_5feca0210eba6.pdfIn PDF document text
  • https://ribebofav.weebly.com/uploads/1/3/2/6/132681502/pokokul_pagaladozozi.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/xotomisen/atrial_septal_defect_pada_anak.pdfIn PDF document text
  • https://s3.amazonaws.com/fajeloninesitel/asco_guidelines_nsclc.pdfIn PDF document text
  • http://fidusigugowubo.epizy.com/automate_android_auto_clicker.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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