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
• 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) documents that carry no urgency or charge/dispute escalation.
• Embedded JS stream low PDF_JS
  PDF references a /JS stream. 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://www.britocunhaadvocacia.com.br/home/wp-content/plugins/formcraft/file-upload/server/content/files/16139d2c7cd1b6---buzenum.pdf In PDF document text

  • http://daegyung.kr/userfiles/file/20210903084612.pdfIn PDF document text
  • http://www.dadosefatos.net.br/wp-content/plugins/formcraft/file-upload/server/content/files/16134cf8662743---getuzowekudoxenikovab.pdfIn PDF document text
  • https://premium-house.uz/images/file/volelolafimexorefoka.pdfIn PDF document text
  • https://tpijobportal.com/ckeditor/ckfinder/userfiles/files/garobage.pdfIn PDF document text
  • https://oreopay57.com/ckfinder/userfiles/files/20971610180.pdfIn PDF document text
  • https://bbensonmft.com/wp-content/plugins/super-forms/uploads/php/files/e221ca96e37cb3e50cf5edfb89e44a0b/26168337720.pdfIn PDF document text
  • http://abwalabamaave.com/uploads/files/jakegidoxipadunivemev.pdfIn PDF document text
  • http://angelofthewinds.net/ckfinder/userfiles/files/gekemex.pdfIn PDF document text
  • https://primax.fr/wp-content/plugins/super-forms/uploads/php/files/qoj1ghs9tov1074m38n2hkgph6/81431238022.pdfIn PDF document text
  • http://atomicattack.com/atomic/fckimages/file/forapisof.pdfIn PDF document text
  • https://betamachinery.sa/other_files/File/lunefepepokugom.pdfIn PDF document text
  • http://danangsculpture.com/uploads/image/files/tosupejimagozovetujasup.pdfIn PDF document text
  • http://sun-marche.com/app/webroot/js/ckfinder/userfiles/files/vaxezu.pdfIn PDF document text
  • http://www.ashtralmedia.com/wp-content/plugins/formcraft/file-upload/server/content/files/1613b36fdc4cbc---47553874897.pdfIn PDF document text
  • http://kp-technik.cz/ckfinder/userfiles/files/35415091657.pdfIn PDF document text
  • https://confetti-seasons.ru/upload/files/bisubetiwefazez.pdfIn PDF document text
  • https://yellowstonewildlife.com/welavadulagaxagupiborete.pdfIn PDF document text
  • http://familiegravesen.dk/userfiles/file/58599601913.pdfIn PDF document text
  • http://www.phsdcenter.com/temp/js/ckfinder/userfiles/files/kisixulak.pdfIn PDF document text
  • http://chothuexeninhbinh.net/data/dulieu/files/24915317139.pdfIn PDF document text
  • http://ambvetbrashersclavoghisu.eu/userfiles/files/3661910813.pdfIn PDF document text
  • https://congchung7.vn/upload/file/91700142075.pdfIn PDF document text
  • http://tw-jia.com/uploads/files/202109110616078315.pdfIn PDF document text
  • https://plumcourse.com/wp-content/plugins/super-forms/uploads/php/files/f1c00827c479fdde7a613858cf9a04ae/puver.pdfIn PDF document text
  • https://feedproxy.google.com/~r/Uplcv/~3/fzgW7-mxBc0/uplcv?utm_term=black+ops+2+mobile+apkPDF 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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