Malicious PDF — malware analysis report

Heuristics 7

• 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.
• 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.
• 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://buxarurusej.weebly.com/uploads/1/3/1/8/131856129/gibinonom_jusikikapak_namarajoxadazal_gaxivud.pdf In PDF document text

  • http://tijudozi.scienceontheweb.net/79380112180.pdfIn PDF document text
  • https://zupakikaxabu.weebly.com/uploads/1/3/1/3/131380404/3922697.pdfIn PDF document text
  • https://panesiwosejel.weebly.com/uploads/1/3/0/7/130739396/fijivekotavibuj.pdfIn PDF document text
  • https://tinonerapize.weebly.com/uploads/1/3/5/3/135349756/33476c8c.pdfIn PDF document text
  • https://wumaluruporemad.weebly.com/uploads/1/3/0/9/130969386/tisud.pdfIn PDF document text
  • https://wumifidadorubip.weebly.com/uploads/1/3/5/2/135298964/9ee41fb.pdfIn PDF document text
  • http://www.ascendercorp.com/In PDF document text
  • http://www.ascendercorp.com/typedesigners.htmlIn PDF document text
  • http://feedproxy.google.com/~r/wb/ENAH/~3/bVCGPfG74RQ/wb?keyword=how%20to%20find%20time%20given%20initial%20velocity%20distance%20and%20accelerationPDF link annotation
  • http://dopomiw.rf.gd/information_security_threat_management_definition.pdfIn PDF document text
  • https://s3.amazonaws.com/zodererezuzuxi/towudesupogusasu.pdfIn PDF document text
  • https://s3.amazonaws.com/jasipefulaxiduj/why_is_my_home_phone_not_ringing_when_someone_calls_me.pdfIn PDF document text
  • http://sisufovofow.atwebpages.com/arteria_cartida_interna.pdfIn PDF document text
  • https://ee42ee57-4547-4a8c-8a66-6cccb7f6869d.filesusr.com/ugd/2a9ad2_1584d1e7586048f2aa9316be6c1697d3.pdf?index=trueIn PDF document text
  • https://f06ae689-34e6-4fd9-b749-a5985747e370.filesusr.com/ugd/4117a9_ee1a8f9936694e60b1dad4ff1329ac0a.pdf?index=trueIn PDF document text
  • http://sivelulowu.rf.gd/half_folded_card_template.pdfIn PDF document text
  • http://pabizex.atwebpages.com/career_paths_dental_hygienist.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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