Malicious PDF — malware analysis report

Heuristics 7

• ClamAV: Pdf.Phishing.Trojan-d2528dad23a95d95-d2528dad23a95d95-10044376-0 critical CLAMAV_DETECTION
  ClamAV detected this file as malware: Pdf.Phishing.Trojan-d2528dad23a95d95-d2528dad23a95d95-10044376-0
• 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 https://pistant.ru/uplcv?utm_term=starbucks+la+formula+del+exito+pdf PDF link annotation

  • https://yidinfo.net/wp-content/plugins/super-forms/uploads/php/files/bmoto6p5c7lampes2kh6n6576g/42010471572.pdfIn PDF document text
  • http://interfacetravels.com/app/webroot/js/ckfinder/userfiles/files/moruxoteronutarezekemet.pdfIn PDF document text
  • https://www.brunosistemi.com/wp-content/plugins/formcraft/file-upload/server/content/files/1613eee9b8d7e6---vejidosadozowib.pdfIn PDF document text
  • http://constantcontinuity.com/membership/data/files/39394269920.pdfIn PDF document text
  • https://wfbulgaria.com/uploads/wysiwyg/files/44125212200.pdfIn PDF document text
  • http://rts-3.ru/upload/files/simijibanijesadakusulonek.pdfIn PDF document text
  • https://www.d-table.com/wp-content/plugins/super-forms/uploads/php/files/6768f4186a993f73ad362ed5bc95651d/98679694775.pdfIn PDF document text
  • http://awarelaxcentrum.cz/user_files/file/tetasurujowa.pdfIn PDF document text
  • https://yaofangpeixun.com/upload/files/mopadebobesuzejosebax.pdfIn PDF document text
  • http://esistore.com/userfiles/file/lolulage.pdfIn PDF document text
  • http://patroha.hu/file/27395105374.pdfIn PDF document text
  • http://studiorumeo.it/userfiles/files/15496958946.pdfIn PDF document text
  • http://www.1000ena.com/wp-content/plugins/formcraft/file-upload/server/content/files/1613b2d1eb4a0b---bukawebukisag.pdfIn PDF document text
  • https://careersourcechipola.com/files/public/23535804407.pdfIn PDF document text
  • http://slavutich-media.ru/userfiles/file/tirunegir.pdfIn PDF document text
  • http://alfavs.eu/userfiles/file/94692282803.pdfIn PDF document text
  • https://bacsionline.net/userfiles/file/51892455094.pdfIn PDF document text
  • http://pololanna.com/user_img/files/80847809443.pdfIn PDF document text
  • https://godahoian.com/app/webroot/upload/files/72988307750.pdfIn PDF document text
  • http://grafichesirio.com/userfiles/files/xovesojufawoxetoko.pdfIn PDF document text
  • http://goldmustang.com/files/files/bovuku.pdfIn PDF document text
  • http://rld-carbon.ru/file/gotegobidisusotomatej.pdfIn PDF document text
  • http://claudiamelchior.it/images/file/53999245663.pdfIn PDF document text
  • https://propbrains.com/wp-content/plugins/super-forms/uploads/php/files/50393086f958871ed2610dd4adc341b6/vulomupemariwojotup.pdfIn PDF document text
  • http://maasmartcity.com/userfiles/file/40478004938.pdfIn PDF document text
  • http://manhchenang.vn/webroot/img/files/wotale.pdfIn PDF document text
  • 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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