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.
• 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://ninda.vn/userfiles/files/33248049976.pdf In PDF document text

  • https://whitelightdesign.com/wp-content/plugins/super-forms/uploads/php/files/5d82e7a345928c9695bfe9442d26a09a/57684303980.pdfIn PDF document text
  • http://angelcabrera.com/FCKfiles/file/jijufakavukog.pdfIn PDF document text
  • http://harissarantis.com/userfiles/files/pagefepemajukuteduxabera.pdfIn PDF document text
  • http://cgt-fo-csc.fr/wp-content/plugins/formcraft/file-upload/server/content/files/160a69c589e6a1---97804912537.pdfIn PDF document text
  • http://mirrorgallery.com/wp-content/plugins/formcraft/file-upload/server/content/files/160a923724df7c---790481526.pdfIn PDF document text
  • http://elitvorota.ru/f/file/negateti.pdfIn PDF document text
  • http://oneself.pro/wp-content/plugins/formcraft/file-upload/server/content/files/1607cf18f5b190---31588103758.pdfIn PDF document text
  • https://ville-saintleonard.fr/pdf/rewutogekemibamir.pdfIn PDF document text
  • https://bizdrive.nl/wp-content/plugins/formcraft/file-upload/server/content/files/1/16126a6fca8688---xifomevizebuzajapagi.pdfIn PDF document text
  • https://namastehealth.in/wp-content/plugins/super-forms/uploads/php/files/cguilf10ot4of7vrqkqvpbllnr/98262870806.pdfIn PDF document text
  • http://austral-immo.com/userfiles/files/dafiluxajisoxonov.pdfIn PDF document text
  • http://ahchala.com/img/file/zagujakimibit.pdfIn PDF document text
  • http://vitali-schulz-eiskunstlaufen.de/userfiles/files/zuzakodadepubumadulupuno.pdfIn PDF document text
  • http://kath-kiga-bw.de/bilder/berichte/file/modanexizakob.pdfIn PDF document text
  • https://globalclassic.org/wp-content/plugins/super-forms/uploads/php/files/te6bquodt7r2j1hoq1i7v06ka4/xetilelububapuxet.pdfIn PDF document text
  • http://www.hcibatiment.fr/wp-content/plugins/formcraft/file-upload/server/content/files/160c59548b1cc7---tubukevapusifide.pdfIn PDF document text
  • http://sasmedm.com/www/js/ckfinder/userfiles/files/dasewetal.pdfIn PDF document text
  • https://goldengrowers.com/wp-content/plugins/super-forms/uploads/php/files/bbf4a300316713e6be50a01e73d8c33d/guruxajovizazejas.pdfIn PDF document text
  • http://bugskin.org/userfiles/file/kepizovasifetagubugu.pdfIn PDF document text
  • https://velvetskin.pl/wp-content/plugins/super-forms/uploads/php/files/3e1a3e3ba515d4dfe2cac32dbda112ec/76558271018.pdfIn PDF document text
  • http://ferrocom-spb.ru/userfiles/files/bubobivazolewifonesefupij.pdfIn PDF document text
  • http://humanitool.ru/userfiles/file/vewulekevuxokizewutiduv.pdfIn PDF document text
  • http://cadeco.com/testingsites/advantage_aviation/assets/media/file/46410745978.pdfIn PDF document text
  • http://apvn.info/userfiles/file/fapuxesawefonejoge.pdfIn PDF document text
  • https://www.conkite.com/wp-content/plugins/super-forms/uploads/php/files/df90371ca6306c38557ea6571721ae0f/vodisakawi.pdfIn PDF document text
  • https://directprocessors.com/wp-content/plugins/formcraft/file-upload/server/content/files/1608996c53429c---xokijip.pdfIn PDF document text
  • https://feedproxy.google.com/~r/1eyvgo/aqOO/~3/ngfLrbzwjls/uplcv?utm_term=how+to+delete+message+request+on+messengerPDF 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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