Malicious PDF — malware analysis report

Heuristics 5

• 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.
• 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/aws?utm_term=marine+biology+textbook+answers In PDF document text

  • https://nuzazetoxulo.weebly.com/uploads/1/3/1/6/131636602/b4f479e37361334.pdfIn PDF document text
  • http://busurman.space/2592257262655zvq.pdfIn PDF document text
  • https://cdn-cms.f-static.net/uploads/4390069/normal_600f1a6e5317d.pdfIn PDF document text
  • http://uablog.site/86353070654bs9v0.pdfIn PDF document text
  • https://static.s123-cdn-static.com/uploads/4481831/normal_5fcdd16ba8e51.pdfIn PDF document text
  • http://tranquils.space/app_store_onkyo_hf_playerm1d5e.pdfIn PDF document text
  • http://copyright-securityx.com/fisewoperowijulewovr2oxo.pdfIn PDF document text
  • http://ejqy.com/calendario_escolar_cantabria_2020_a_2020q956o.pdfIn PDF document text
  • https://static.s123-cdn-static.com/uploads/4383804/normal_5ff3d93ee426c.pdfIn PDF document text
  • https://pidujalibogi.weebly.com/uploads/1/3/1/3/131380128/50b20398f72f11.pdfIn PDF document text
  • http://milanomoda-italy.website/rajewof8a632.pdfIn PDF document text
  • http://fsfsfd.xyz/bawosigametumelulelufoleqwspr.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/peveziwoguxuzam/19891475780.pdfIn PDF document text
  • http://zopefunexot.epizy.com/acog_pap_guidelines_hysterectomy.pdfIn PDF document text
  • https://s3.amazonaws.com/tibanepoxilibud/64728419083.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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