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.
• 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.
• 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://baarspo.ru/wb?keyword=edx%20machine%20learning%20course%20answers PDF link annotation

  • https://cdn.sqhk.co/vapelomusanu/qufhgji/fovipifawavesutikejoma.pdfIn PDF document text
  • http://blankid.ru/nepazeseribawalifimb8g5l.pdfIn PDF document text
  • https://xizikako.weebly.com/uploads/1/3/0/9/130969027/jigatotifudavodudi.pdfIn PDF document text
  • https://naxulukituno.weebly.com/uploads/1/3/4/8/134879135/fad20cd7107a.pdfIn PDF document text
  • http://gallery-shop.site/30419683858w7v7q.pdfIn PDF document text
  • http://sanatoriy-izumrudny.ru/extreme_car_driving_simulator_2020_mod_apkr2x71.pdfIn PDF document text
  • https://pudoxarunisit.weebly.com/uploads/1/3/1/1/131164251/rowupiv_revixelubaru_savijofagowofa.pdfIn PDF document text
  • https://nokajadum.weebly.com/uploads/1/3/4/8/134887388/2d7fde761cd2b.pdfIn PDF document text
  • https://cdn.sqhk.co/nilamemiw/hedLQib/how_do_you_merge_shapes_in_powerpoint_mac.pdfIn PDF document text
  • https://cdn.sqhk.co/zoxowowi/iwHW0ha/66939195347.pdfIn PDF document text
  • https://cdn.sqhk.co/wifopuzuxiba/iia44NW/ganakasodiwepanuxobu.pdfIn PDF document text
  • http://www.ascendercorp.com/In PDF document text
  • http://www.ascendercorp.com/typedesigners.htmlIn PDF document text
  • http://wemikovovafebo.epizy.com/36162376545.pdfIn PDF document text
  • http://maretomutopa.epizy.com/capstan_and_turret_lathe_ppt.pdfIn PDF document text
  • http://denefarow.rf.gd/83091561780.pdfIn PDF document text
  • http://tedejokalegiruj.epizy.com/burozetupasisexibinutex.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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