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
• PDF links to known malicious redirector infrastructure critical PDF_MALICIOUS_REDIRECTOR_LINK
  PDF contains a clickable URI to redirector infrastructure used by a known malicious PDF SEO/adware delivery campaign. These documents typically rely on user interaction and redirect chains rather than a PDF parser vulnerability.
• 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.
• Visual download / call-to-action button lure low SE_DOWNLOAD_BUTTON
  Document contains a call-to-action phrase ('Click here to download', 'Download Now', etc.) — low-signal unless other findings point to a malicious workflow
• 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://yafferge.ru/wb?keyword=performance%20appraisal%20salary%20increase In PDF document text

  • http://limevekobo.iblogger.org/49813016614.pdfIn PDF document text
  • https://cdn.sqhk.co/wuladupuzo/xvOgjFa/26799411218.pdfIn PDF document text
  • http://gikisivota.iblogger.org/wekinujolurosetedazokezim.pdfIn PDF document text
  • https://cdn.sqhk.co/delojiwuguj/ibaAyE5/xajibidanusesozene.pdfIn PDF document text
  • http://domavera.ru/fenimurujanopikeb8t51.pdfIn PDF document text
  • https://cdn.sqhk.co/zogobadakedu/cjft2qP/pezimazox.pdfIn PDF document text
  • http://mekozeka.66ghz.com/nulama.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/davubewu/indian_engagement_invitation_card_template.pdfIn PDF document text
  • http://lukoleni.epizy.com/68412159460.pdfIn PDF document text
  • http://bejopirobi.epizy.com/latest_bengali_hd_movie_720p.pdfIn PDF document text
  • http://xonizud.epizy.com/98629214417.pdfIn PDF document text
  • http://wawefib.rf.gd/common_cognitive_biases.pdfIn PDF document text
  • http://ropedeni.epizy.com/full_form_of_arpanet_in_computer.pdfIn PDF document text
  • http://kemuvatixas.epizy.com/23793802150.pdfIn PDF document text
  • http://kepujelibip.epizy.com/50570452789.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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