Malicious PDF — malware analysis report

Heuristics 8

• ClamAV: Pdf.Phishing.Trojan-d2528dad23a95d95-d2528dad23a95d95-10044376-0 critical CLAMAV_DETECTION
  ClamAV detected this file as malware: Pdf.Phishing.Trojan-d2528dad23a95d95-d2528dad23a95d95-10044376-0
• Password-protected archive handoff high SE_PASSWORD_ARCHIVE_LURE
  Document gives password instructions for an archive or attachment — often used to keep payloads encrypted until after gateway scanning
• 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://www.herbertvanderbrugghen.nl/draft/potarituwasorikoduperivaw.pdf In PDF document text

  • http://jfe.hk/userfiles/33462920076.pdfIn PDF document text
  • http://global-poseg.com/wp-content/plugins/formcraft/file-upload/server/content/files/161402cfd46dbe---79174563563.pdfIn PDF document text
  • http://www.uvhk.com/wp-content/plugins/formcraft/file-upload/server/content/files/1613d03a18039e---viwemitosasorarinapopus.pdfIn PDF document text
  • http://acsalma.hu/userfiles/files/zogexeroxajivu.pdfIn PDF document text
  • https://hoatuoi360.vn/uploads/files/4301863775.pdfIn PDF document text
  • https://paroles-vives.com/ckfinder/userfiles/files/89119782163.pdfIn PDF document text
  • http://www.frank-diagn.hu/userfiles/files/11973114731.pdfIn PDF document text
  • http://udelimpa.es/ckfinder/userfiles/files/82885219006.pdfIn PDF document text
  • https://www.infratechgroep.nl/wp-content/plugins/super-forms/uploads/php/files/b414c9e250e6ed84e50ce82f6fc196e9/notowopedu.pdfIn PDF document text
  • http://winecellarkeeper.com/ckfinder/userfiles/files/42793547593.pdfIn PDF document text
  • http://noithatphathuy.com/Images_upload/files/19426612283.pdfIn PDF document text
  • http://kaplanpm.com/wp-content/plugins/formcraft/file-upload/server/content/files/16130abc45e5f8---xanijideneju.pdfIn PDF document text
  • http://nppgursaraijhansi.in/ckfinder/userfiles/files/4091634912.pdfIn PDF document text
  • http://garagehayashi.com/js/upload/files/nevekunatifogupojun.pdfIn PDF document text
  • https://www.aifimm.it/admin/inc/ckfinder/userfiles/files/zikizobaturu.pdfIn PDF document text
  • https://alternativecarrepair.com/userfiles/file/kabevurero.pdfIn PDF document text
  • https://dalilak1.com/userfiles/file/88087309719.pdfIn PDF document text
  • http://talesma.com/E/file/37472432010.pdfIn PDF document text
  • http://casavacanzesanvito.eu/userfiles/files/legisowasapikiniburubaje.pdfIn PDF document text
  • http://mecateengenharia.com.br/ckfinder/userfiles/files/49530733618.pdfIn PDF document text
  • http://caogenzhiben.com/filespath/files/20210901203757.pdfIn PDF document text
  • http://canshu.dlzj.net/upload/files/20210906120025751062.pdfIn PDF document text
  • https://ercrs.org/wp-content/plugins/super-forms/uploads/php/files/e3tireaqodpputg2l7nm2q5bbj/pizajajesoxur.pdfIn PDF document text
  • https://feedproxy.google.com/~r/Uplcv/~3/Om9ozkHLxGw/uplcv?utm_term=download+wwe+2k20+for+ppssppPDF 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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