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
• Fake CAPTCHA / human verification prompt high SE_FAKE_CAPTCHA
  Document displays a fake CAPTCHA or human-verification prompt — used to trick users into running commands or pressing keyboard shortcuts
• PDF link farm points to compromised-WordPress upload storage medium PDF_COMPROMISED_CMS_UPLOAD_LINK_FARM
  PDF contains multiple clickable links, across many distinct hosts, whose targets are random-slug files parked in the upload directories of vulnerable WordPress form plugins (FormCraft, Super Forms). This is the hallmark of the 'free document/template' SEO phishing PDF family, which ranks for search queries and routes users into payload/redirect chains hosted on compromised sites. The PDF itself carries no exploit — the risk is the linked destinations.
• 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.
• JavaScript action low PDF_JAVASCRIPT
  PDF contains a /JavaScript action. Generic JavaScript is common in benign forms; specific dangerous APIs are scored by separate rules.
• 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 http://acutecardio.ru/sadm_files/92298853332.pdf In PDF document text

  • https://www.hit-education.com/wp-content/plugins/super-forms/uploads/php/files/sb0pvpa95bfrmq27p3coq79ct7/jamonome.pdfIn PDF document text
  • http://starfishdowney.com/uploads/files/49209717419.pdfIn PDF document text
  • https://kodeac.com/wp-content/plugins/super-forms/uploads/php/files/k7vdruv19nbts48v9sh1q41d2m/27850497445.pdfIn PDF document text
  • http://tinhdaurosa.com/Images_upload/files/73806244412.pdfIn PDF document text
  • http://locke-3c.tw/uploads/files/202109041756393412.pdfIn PDF document text
  • http://24horasnoar.com.br/ckfinder/userfiles/files/86544323936.pdfIn PDF document text
  • https://genia-groupe.fr/images/files/90662599591.pdfIn PDF document text
  • http://likebarcode.com/image/files/20210906_205102.pdfIn PDF document text
  • http://www.alliance-bio.com/user_data/editor/ckfinder/core/connector/php/upload/files/zipitidefagopijawukidoted.pdfIn PDF document text
  • https://www.heainc.com/wp-content/plugins/formcraft/file-upload/server/content/files/16132551bac085---15289429386.pdfIn PDF document text
  • https://mmtours.si/uploads/71336506158.pdfIn PDF document text
  • http://midoriku.zaitakunet.jp/app/webroot/upload_images/files/pijalojewasuxazugaxatedur.pdfIn PDF document text
  • http://circuitoinsulargc.com/documentos/file/3430783578.pdfIn PDF document text
  • http://www.szphotar.com/admin/img/files/pejanipewavekakowe.pdfIn PDF document text
  • http://www.salpasafarit.fi/tiedostot/files/nawosinazolejujejap.pdfIn PDF document text
  • https://ohligschlaeger-berger.de/wp-content/plugins/formcraft/file-upload/server/content/files/1612f4bb268e4f---pazubopalet.pdfIn PDF document text
  • https://cheeselicious.net/UserFiles/file/50952235482.pdfIn PDF document text
  • http://www.sosonomo.com/ckfinder/userfiles/files/xapiwesaze.pdfIn PDF document text
  • https://khambenhxahoi115.com/images/files/fugawunarozime.pdfIn PDF document text
  • https://renesens21.com/ressources/upload/files/71354738464.pdfIn PDF document text
  • http://fujiya-la.com/uploads/files/80730327640.pdfIn PDF document text
  • http://fundacjaproartis.pl/javascript/ckfinder/userfiles/files/62869189911.pdfIn PDF document text
  • http://narcisse.sk/editor_uploads/files/94200015872.pdfIn PDF document text
  • http://signauction.net/userfiles/file/tididawaninu.pdfIn PDF document text
  • https://feedproxy.google.com/~r/skout/mBVl/~3/Om9ozkHLxGw/uplcv?utm_term=mobile+verification+gta+5PDF link annotation
  • 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 PDF document text
  • http://dejavu.sourceforge.net/wiki/index.php/LicenseIn PDF document text

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