Malicious PDF — malware analysis report

Heuristics 8

• 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.
• Password-protected archive handoff high SE_PASSWORD_ARCHIVE_LURE
  Document gives password instructions for an archive or attachment — often used to keep payloads encrypted until after gateway scanning
• Small PDF is a non-clustered link farm on disposable hosting medium PDF_SEO_DISPOSABLE_LINK_FARM
  Small PDF contains many clickable external PDF links spread thin across many distinct hosts (no single dominant host), corroborated by a utm_term SEO-redirector link and/or links parked on free/disposable content hosts. This is the 'free document/template' SEO phishing PDF family, which ranks for search queries and routes users into payload/redirect chains, rather than a normal document citation pattern. The PDF itself carries no exploit — the risk is the linked destinations.
• Callback phishing phone lure medium SE_CALLBACK_LURE
  Document asks the user to call a phone number in billing, refund, subscription, fraud, or security context — consistent with callback phishing or tech-support scam patterns. Suppressed for legitimate-issuer (IRS/gov/official-form) or Microsoft license-boilerplate documents that carry no urgency or charge/dispute escalation.
• 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://xajibur.ru/wix?keyword=text+mail+subscriber+phone+number PDF link annotation

  • https://cdn.sqhk.co/xelalizogim/2Wdidje/dropwizard_metrics_vs_micrometer.pdfIn PDF document text
  • https://kaxogirigajel.weebly.com/uploads/1/3/4/6/134611066/fofupejus.pdfIn PDF document text
  • http://tgesheff.xyz/boss_monster_android51tdv.pdfIn PDF document text
  • https://cdn.sqhk.co/zujubokave/gjcyibo/43911871377.pdfIn PDF document text
  • https://cdn.sqhk.co/puvegipuros/gciejdb/mujesivejozapeduvate.pdfIn PDF document text
  • https://cdn.sqhk.co/bepoweruga/bhjgg4h/download_amazon_seller_app_for_mac.pdfIn PDF document text
  • http://quickstore.pro/venaxuyk2pw.pdfIn PDF document text
  • http://leomannapov.com/79653201644urqc0.pdfIn PDF document text
  • https://cdn.sqhk.co/bosesegivu/DeagjOy/siboviwawaxinolazeno.pdfIn PDF document text
  • https://cdn.sqhk.co/zovitamojim/ih8e0ib/levab.pdfIn PDF document text
  • https://jipowikufimur.weebly.com/uploads/1/3/5/3/135327107/rujaxurodoxaguti.pdfIn PDF document text
  • https://vidiguwases.weebly.com/uploads/1/3/4/3/134347373/jaxemefetuwi.pdfIn PDF document text
  • http://zubiki.top/illustrated_manuscript_of_the_lotus_sutrark47d.pdfIn PDF document text
  • http://www.ascendercorp.com/In PDF document text
  • http://www.ascendercorp.com/typedesigners.htmlIn PDF document text
  • http://mupigedosawi.epizy.com/29031503048.pdfIn PDF document text
  • http://dufeniwa.rf.gd/kazarobovon.pdfIn PDF document text
  • https://s3.amazonaws.com/dujepav/14691278607.pdfIn PDF document text
  • https://s3.amazonaws.com/zulezov/badges_of_fury_sub_indo.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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