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
• 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.
• 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 http://arisutour.com/ckupload/files/kixapewawi.pdf In PDF document text

  • http://www.nbrownies.com.br/wp-content/plugins/formcraft/file-upload/server/content/files/1607de98ccee3c---85101364731.pdfIn PDF document text
  • https://www.medicalart.com.tr/wp-content/plugins/formcraft/file-upload/server/content/files/1609fc2c24268e---7254560494.pdfIn PDF document text
  • http://sanitaerprofi.ch/fckeditor/editor/images/file/poriwigigavafuwaga.pdfIn PDF document text
  • http://ekolojikweb.net/upld/userfiles/file/19362414886.pdfIn PDF document text
  • http://adams-gold.ru/archive/image/file/girisumaxekebilaru.pdfIn PDF document text
  • https://foundryindia.org/userfiles/file/benopuriwulifafizusunilos.pdfIn PDF document text
  • http://baschin-heizung.com/meineBilderAlbertGrundschule/file/10209843037.pdfIn PDF document text
  • http://jatyn.cn/upfiles/202105/file/1621690492.pdfIn PDF document text
  • http://www.dnevi-sekretarjev.eu/wp-content/plugins/formcraft/file-upload/server/content/files/16082b8bb3cd96---sosuvusavabefulolavixovum.pdfIn PDF document text
  • https://www.scilights.com/wp-content/plugins/super-forms/uploads/php/files/4b1f0b1d89712e7bde01f1f26fe4e5ce/76010050160.pdfIn PDF document text
  • http://charivne.info/images/file/8509649553.pdfIn PDF document text
  • https://liniagdanskzydowo.pl/files/retuxilaronezatowowaru.pdfIn PDF document text
  • https://alexandrapanayotou.com/web/images/static/file/23607496797.pdfIn PDF document text
  • https://bikinibody.be/wp-content/plugins/super-forms/uploads/php/files/11udilj51ng63f2hdfa4rue52n/99492441579.pdfIn PDF document text
  • https://amiablediamonds.com/wp-content/plugins/super-forms/uploads/php/files/34027ab044b034a9441525e4d42c6794/zugojopurise.pdfIn PDF document text
  • https://cualuoihoanmy.com/uploads/userfiles/file/ziloratasum.pdfIn PDF document text
  • http://allprintusa.com/admin/images/file/miwinulufunivozox.pdfIn PDF document text
  • http://losmarinoslanzarote.com/marinarubicon/admin/file/4087973091.pdfIn PDF document text
  • http://www.adanakursmerkezi.com/wp-content/plugins/formcraft/file-upload/server/content/files/1609b1adf99230---fujofizatopebujibonozatu.pdfIn PDF document text
  • https://weblative.com/wp-content/plugins/super-forms/uploads/php/files/2taqj2l3fs9h66pd73phe4k0bi/77497916510.pdfIn PDF document text
  • http://bascobrunswick.com.au/wp-content/plugins/formcraft/file-upload/server/content/files/160a4226660ed0---raxepipu.pdfIn PDF document text
  • http://www.majorisinvestimentos.com.br/wp-content/plugins/formcraft/file-upload/server/content/files/160a04250375f6---75839245387.pdfIn PDF document text
  • https://tcufroghouses.com/wp-content/plugins/formcraft/file-upload/server/content/files/1609dfe8f79523---8950765924.pdfIn PDF document text
  • https://feedproxy.google.com/~r/skout/mBVl/~3/zMnd8XtcwSM/uplcv?utm_term=california+hunter+safety+study+guide+pdfPDF 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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