Malicious PDF — malware analysis report

Heuristics 8

• ClamAV: Pdf.Phishing.Trojan-d2568dad23a94d95-d2568dad23a94d95-10044375-0 critical CLAMAV_DETECTION
  ClamAV detected this file as malware: Pdf.Phishing.Trojan-d2568dad23a94d95-d2568dad23a94d95-10044375-0
• 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.
• 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.
• Fake invoice / payment lure low SE_INVOICE_LURE
  Document contains invoice or payment language paired with an action verb — useful context when combined with link, macro, or attachment indicators
• 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://leonvi.ru/wix?keyword=irs+holtsville+ny+11742 PDF link annotation

  • https://cdn-cms.f-static.net/uploads/4427519/normal_600ca1a80e4e0.pdfIn PDF document text
  • https://cdn.sqhk.co/kiribikiv/ijx0iaY/legetogenejuzilupitoruja.pdfIn PDF document text
  • https://static.s123-cdn-static.com/uploads/4506170/normal_5ff24c4892dbd.pdfIn PDF document text
  • http://togezapavux.iblogger.org/damexelu.pdfIn PDF document text
  • https://static.s123-cdn-static.com/uploads/4486969/normal_5fcae894a7cd5.pdfIn PDF document text
  • https://likimipezerejo.weebly.com/uploads/1/3/2/6/132682052/nisopexe_nakorinanivad_fuwagiz.pdfIn PDF document text
  • https://static.s123-cdn-static.com/uploads/4413362/normal_60080d32d6d42.pdfIn PDF document text
  • https://diwekivoveludu.weebly.com/uploads/1/3/5/3/135313391/5915751.pdfIn PDF document text
  • https://cdn-cms.f-static.net/uploads/4444092/normal_5fea2ecb5e892.pdfIn PDF document text
  • https://cdn-cms.f-static.net/uploads/4382421/normal_5fd2836e26b8a.pdfIn PDF document text
  • https://static.s123-cdn-static.com/uploads/4499002/normal_6009447b1f13f.pdfIn PDF document text
  • https://nasavizar.weebly.com/uploads/1/3/5/3/135322571/tobufuk.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/nedijowewoded/fourth_grade_division_worksheets.pdfIn PDF document text
  • https://s3.amazonaws.com/tosego/banner_template_size.pdfIn PDF document text
  • http://rubijisezet.epizy.com/89531830716.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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