Malicious PDF — malware analysis report

Heuristics 6

• 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.
• 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://rcot.org/userfiles/file/fuxotemomo.pdf In PDF document text

  • https://nguyenvanhuongloc.vn/app/webroot/files/images/pages/files/18156094298.pdfIn PDF document text
  • http://alnoorcity.com/userfiles/file/gajerutabux.pdfIn PDF document text
  • https://refour.dk/wp-content/plugins/super-forms/uploads/php/files/cb7e743d2c60fbfc844e8a51a6b98d9b/gowipewabifitifasizusum.pdfIn PDF document text
  • https://ilc.ua/wp-content/plugins/super-forms/uploads/php/files/6a3fupfi05l31rq6auhqml5387/suriwe.pdfIn PDF document text
  • https://halobysciton.com/wp-content/plugins/formcraft/file-upload/server/content/files/160940f492ca3d---77155502946.pdfIn PDF document text
  • http://mirembeestate.co.ug/wp-content/plugins/formcraft/file-upload/server/content/files/160a559dc9e582---xinisilu.pdfIn PDF document text
  • https://holzhaus-suedtirol.it/wp-content/plugins/formcraft/file-upload/server/content/files/1607227f524ba3---mefodujotazuxelemofanus.pdfIn PDF document text
  • https://admonks.ru/wp-content/plugins/super-forms/uploads/php/files/904233b47a4287fcac927500d3a5bafa/30238887069.pdfIn PDF document text
  • https://jfefood.com/wp-content/plugins/super-forms/uploads/php/files/4fc2e29762c253720c068b395048cd37/23868299233.pdfIn PDF document text
  • http://ntouioc.ntou.edu.tw/ckfinder/userfiles/files/suwokojuja.pdfIn PDF document text
  • http://dgjst.com/upfile/file/88506450159.pdfIn PDF document text
  • https://anpheatingandac.com/nbloom/fckuploads/file/netaxe.pdfIn PDF document text
  • https://paloaltospeakerseries.com/wp-content/plugins/super-forms/uploads/php/files/aec8f537f94e9119bc0b417f7692e636/farazimepoxeposexupo.pdfIn PDF document text
  • https://matharu.ae/userfiles/file/pumasirekududupofim.pdfIn PDF document text
  • http://cobe-ing.it/userfiles/files/fugovagokuxinokusovolivi.pdfIn PDF document text
  • http://www.gradur.ba/wp-content/plugins/formcraft/file-upload/server/content/files/160a146760c57a---66506677594.pdfIn PDF document text
  • https://299-45.com/CKEdit/upload/files/turubumipo.pdfIn PDF document text
  • https://viajespereira.com/wp-content/plugins/formcraft/file-upload/server/content/files/160766b039743e---58403390932.pdfIn PDF document text
  • http://myucmas.com/userfiles/file/51118432946.pdfIn PDF document text
  • http://myhomeinparis.com/userfiles/files/patexolukozezonekikef.pdfIn PDF document text
  • http://dfh-consulting.com/userfiles/file/mumejadef.pdfIn PDF document text
  • http://www.aportecnica.com/imagenes/editor/file/80458427363.pdfIn PDF document text
  • http://chiron-ventures.com/chiron/home/img/upload/files/2106201142500530411ysvz.pdfIn PDF document text
  • https://feedproxy.google.com/~r/1eyvgo/aqOO/~3/1KS0DP0cxss/uplcv?utm_term=how+is+lennie+characterized+when+he+is+first+introducedPDF 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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