Malicious PDF — malware analysis report

Heuristics 7

• 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.
• 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://wirut.co.za/YmrXLWy8?keyword=what%20is%20arterial%20po2%20levels PDF link annotation

  • https://pukibasobudez.weebly.com/uploads/1/3/1/3/131379944/bufisin-tetipivab-vomivegugan-zebebi.pdfIn PDF document text
  • https://lutaxebibutemun.weebly.com/uploads/1/3/1/3/131380730/ac605c6d22.pdfIn PDF document text
  • https://fogorito.weebly.com/uploads/1/3/5/3/135322632/5773107.pdfIn PDF document text
  • https://www.sinditamaraty.org.br/site/public/ckeditor/kcfinder/upload/files/26664033790.pdfIn PDF document text
  • https://digamokabuxud.weebly.com/uploads/1/4/1/2/141253470/raziwozu_gamawuf.pdfIn PDF document text
  • https://negoladudovas.weebly.com/uploads/1/3/4/4/134456372/9506801.pdfIn PDF document text
  • http://tetobox-budapest.hu/uploads/files/2439639893.pdfIn PDF document text
  • https://www.ccps.mx/wp-content/plugins/super-forms/uploads/php/files/d128b0330da6ec2080f5a8d967af8332/funuvexe.pdfIn PDF document text
  • https://ladychief.com/wp-content/plugins/super-forms/uploads/php/files/1e3ec0a65ecddbf231bac1b78ef46f50/zabutox.pdfIn PDF document text
  • https://xixutusolorul.weebly.com/uploads/1/3/4/6/134685478/6576695.pdfIn PDF document text
  • http://hoaphathotel.com/luutru/files/39692369680.pdfIn PDF document text
  • https://sobolone.weebly.com/uploads/1/3/0/7/130775045/jewisaligarene.pdfIn PDF document text
  • http://yourhandmadeitems.com/userfiles/file/10939168344.pdfIn PDF document text
  • https://mipixapotorifa.weebly.com/uploads/1/3/0/9/130969355/4565865.pdfIn PDF document text
  • http://p-energo.ru/content/file/dowavokapog.pdfIn PDF document text
  • http://saxonrt.hu/img/userfiles/files/bomubirereludasobinazij.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://dejavu.sourceforge.netIn extracted file (font_00_sfnt_off0000f4b5.bin)
  • http://dejavu.sourceforge.net/wiki/index.php/LicenseIn extracted file (font_00_sfnt_off0000f4b5.bin)

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