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
• MFA / one-time-code harvesting lure high SE_MFA_LURE
  Document asks for a one-time code, authenticator approval, or MFA confirmation — consistent with credential phishing kits that steal session tokens or abuse multi-factor authentication
• 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://edilcfcostruzioni.com/userfiles/files/43651402067.pdf In PDF document text

  • https://clinicaabrahaoosta.com.br/ckfinder/userfiles/files/71868884077.pdfIn PDF document text
  • http://eperon-kochersberg.com/img_db/16340126715.pdfIn PDF document text
  • http://jdjcnc.com/upfolder/e/files/20210913200456.pdfIn PDF document text
  • http://ventensis.lt/public/ckfinder/userfiles/files/mozolosuwuwomufevoda.pdfIn PDF document text
  • http://banglenhospital.com/UserFiles/File/46248793752.pdfIn PDF document text
  • http://studioturina.com/userfiles/files/12153022803.pdfIn PDF document text
  • http://garageanything.com/js/upload/files/fogit.pdfIn PDF document text
  • http://www.pointcookelectrician.com.au/wp-content/plugins/formcraft/file-upload/server/content/files/16140ea9cc51f4---28819855762.pdfIn PDF document text
  • https://magicdiscoradio.hu/userfiles/file/zizulivanerevezaju.pdfIn PDF document text
  • https://livres-d-art.com/ckfinder/userfiles/files/ziwozunugi.pdfIn PDF document text
  • https://www.intermediastudios.com.mx/wp-content/plugins/super-forms/uploads/php/files/9086115a55f9648c7800668c90fd36aa/26750052012.pdfIn PDF document text
  • http://24horasnoar.com.br/ckfinder/userfiles/files/36315098056.pdfIn PDF document text
  • http://chrisdepanneservices.com/Sites/cds/files/51923081555.pdfIn PDF document text
  • https://fortlauderdale-carservice.com/wp-content/plugins/formcraft/file-upload/server/content/files/161463bb9be174---lirigodivopobupebuvutiz.pdfIn PDF document text
  • http://tbvshungviet.com/upload/files/57759727522.pdfIn PDF document text
  • https://shirbandifelt.com/userfiles/file/tuduwexejavodabezikepo.pdfIn PDF document text
  • http://hwayoung.kr/upfile/files/zevawalakibuvuzapexox.pdfIn PDF document text
  • http://jfhcoaching.nl/userfiles/files/40566734460.pdfIn PDF document text
  • http://hostingureitings.lv/uploads/userfiles/files/34487657309.pdfIn PDF document text
  • https://0924055971.com/uploads/files/202109050613553402.pdfIn PDF document text
  • https://istruttorecinofilo.it/userfiles/file/40984298165.pdfIn PDF document text
  • https://snowcat.pl/admin/ckfinder/userfiles/files/91911581502.pdfIn PDF document text
  • http://yongchengtech.com/uploads/files/202109080521006916.pdfIn PDF document text
  • http://www.fliesen-brill.de/wp-content/plugins/formcraft/file-upload/server/content/files/16132fc2956167---pevimikupumugoxoju.pdfIn PDF document text
  • https://feedproxy.google.com/~r/1eyvgo/aqOO/~3/1KS0DP0cxss/uplcv?utm_term=vsco+premium+v_208PDF 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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