Malicious PDF — malware analysis report

Heuristics 9

• ClamAV: Pdf.Phishing.Trojan-d2528dad23a95d95-d2528dad23a95d95-10044376-0 critical CLAMAV_DETECTION
  ClamAV detected this file as malware: Pdf.Phishing.Trojan-d2528dad23a95d95-d2528dad23a95d95-10044376-0
• Payment redirection / bank-detail change lure high SE_PAYMENT_REDIRECT_LURE
  Document describes new or changed bank, wire, ACH, IBAN, SWIFT, or routing instructions — a high-value business-email-compromise pattern
• Browser extension / update installation lure high SE_BROWSER_INSTALL_LURE
  Document tells the user to install a browser extension, plugin, viewer, or browser update to view content — a common social-engineering path for credential theft and malware installation
• 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.
• 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://jottigo.ru/award?keyword=total+gym+tv+discount+code PDF link annotation

  • http://originalhallyu.com/15936507695jtye7.pdfIn PDF document text
  • http://evilcheats.fun/wizakalblce.pdfIn PDF document text
  • https://static.s123-cdn-static.com/uploads/4410956/normal_5fe0714bc951c.pdfIn PDF document text
  • http://lotto-investclub.com/foxowuvujamupij2l939.pdfIn PDF document text
  • https://static.s123-cdn-static.com/uploads/4495055/normal_5ff005d403e5e.pdfIn PDF document text
  • https://cdn.sqhk.co/jeforije/jjiioyx/facebook_messenger_not_working.pdfIn PDF document text
  • https://cdn-cms.f-static.net/uploads/4450507/normal_601dbaf953f71.pdfIn PDF document text
  • http://experiment.website/robo_avengers_mod_apk_unlimited_money_and_gems47r7u.pdfIn PDF document text
  • https://cdn-cms.f-static.net/uploads/4416327/normal_6031d27ee0d2c.pdfIn PDF document text
  • https://cdn-cms.f-static.net/uploads/4452385/normal_60224ac479c36.pdfIn PDF document text
  • http://fly-drive.online/best_spanish_english_dictionary_app_offlinetw2q8.pdfIn PDF document text
  • http://help-feedback-amzn6.xyz/15797633293jspcs.pdfIn PDF document text
  • https://cdn-cms.f-static.net/uploads/4477139/normal_5fd6ea2f08b90.pdfIn PDF document text
  • https://cdn-cms.f-static.net/uploads/4486748/normal_601bb9a291da8.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/jowutoneranemuk/bichon_dog_breed_information.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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