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 https://medvor.ru/uplcv?utm_term=bob+proctor+you+were+born+rich+pdf PDF link annotation

  • https://francois-daulte.com/ckfinder/userfiles/files/12487710517.pdfIn PDF document text
  • http://mientrungland.net/uploads/image/files/famekalozuliroladi.pdfIn PDF document text
  • http://lnv-cnc.com/userfiles/file/38797990991.pdfIn PDF document text
  • http://dsagco.com/Upload/file/56339413371.pdfIn PDF document text
  • https://shevtsov-art.com/uploads/files/20405168471.pdfIn PDF document text
  • http://romengo.com/ckfinder/userfiles/files/67128030834.pdfIn PDF document text
  • http://eva.am/files/10161e9bdb1d8f4d.pdfIn PDF document text
  • https://www.adcgrain.com/wp-content/plugins/super-forms/uploads/php/files/b32700185191f2de4da26599ff4f10d4/3944801063.pdfIn PDF document text
  • https://dedywiredja.com/wp-content/plugins/formcraft/file-upload/server/content/files/161383050cc297---40866313821.pdfIn PDF document text
  • http://enidental.com/userfiles/file/20210902012509.pdfIn PDF document text
  • http://schokoladenbrunnen.de/idata/24735198538.pdfIn PDF document text
  • http://dakov.hu/_user/file/8412417008.pdfIn PDF document text
  • https://barcelonacentromedico.es/files/galeria/files/75180250955.pdfIn PDF document text
  • http://captainkillmite.com/uploads/files/202109100208135648.pdfIn PDF document text
  • http://yer-krasnodar.ru/ckfinder/userfiles/files/89529711587.pdfIn PDF document text
  • http://www.egymast-segito.hu/uploaded/fck/file/bipuk.pdfIn PDF document text
  • https://zlatartopalovic.rs/files/79781173734.pdfIn PDF document text
  • http://ozdoby-betonowe21.pl/Upload/file/jopuj.pdfIn PDF document text
  • http://kunmobile.vn/files/uploaded/20210913/file/47519856774.pdfIn PDF document text
  • http://nfraccon.org/userfiles/file/dipumufezot.pdfIn PDF document text
  • https://mattweidnerlaw.com/wp-content/plugins/formcraft/file-upload/server/content/files/1613a15bf07d49---83611402971.pdfIn PDF document text
  • http://sanfrancescovet.com/userfiles/files/22664441936.pdfIn PDF document text
  • http://sochi-vitrazhi.ru/ckfinder/userfiles/files/64327551337.pdfIn PDF document text
  • https://www.barefoothoa.com/webroot/js/ckfinder/userfiles/files/senutunomimo.pdfIn PDF document text
  • https://energooptima.hu/upload/File/kuwitukapekajesuronus.pdfIn PDF document text
  • http://ongxoanhdpe.vn/upload/files/42950823688.pdfIn PDF document text
  • https://grupo.iberia.com/js/ckfinder/userfiles/files/zisokivalavepisav.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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