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 https://ht-cooling-j3t.com/contents/files/ninokudelimexava.pdf In PDF document text

  • http://www.palmettoexpresslanes.com/system/js/back/ckfinder/userfiles/files/56621949423.pdfIn PDF document text
  • http://www.brennholz-heinlein.de/wp-content/plugins/formcraft/file-upload/server/content/files/1613f7ccb0ce9d---52319272758.pdfIn PDF document text
  • http://indecomavo.pl/userimg/inc/texopa.pdfIn PDF document text
  • http://joshuadacosta.com/wp-content/plugins/formcraft/file-upload/server/content/files/1614560b4664ae---fenoz.pdfIn PDF document text
  • https://www.hmgfinance.com/ckfinder/userfiles/files/66535802362.pdfIn PDF document text
  • http://magnumprint.ru/upload/files/23102680944.pdfIn PDF document text
  • http://unicaconsultoriarh.com/images/files/xokupavolesulufuzadunus.pdfIn PDF document text
  • https://spherule.org/wp-content/plugins/super-forms/uploads/php/files/nf0u6msf6m4solpc8n752iih72/61914899849.pdfIn PDF document text
  • https://exlite.it/ckfinder/userfiles/files/fuwadala.pdfIn PDF document text
  • http://stin-verdon.fr/assets/Image/files/xunogojusodukirurew.pdfIn PDF document text
  • http://stringladies.cz/userfiles/28822802228.pdfIn PDF document text
  • http://ominocoibaffi.it/userfiles/files/vekerekinuvamodazob.pdfIn PDF document text
  • http://medical-1669.com/userfiles/files/40357351118.pdfIn PDF document text
  • http://fantacyhandicraft.com/userfiles/file/36014048107.pdfIn PDF document text
  • https://akilanews.com/ckfinder/userfiles/files/wobogufuxemurezol.pdfIn PDF document text
  • http://federicozucchettiarchitetto.eu/userfiles/files/24226867917.pdfIn PDF document text
  • http://eltprof.ru/userfiles/file/45800633374.pdfIn PDF document text
  • http://gzwep.com/img/file/202191810758.pdfIn PDF document text
  • http://www.olympussverige.se/wp-content/plugins/super-forms/uploads/php/files/gmb47s64jbd4iuhu3m1cmv7frm/23295672731.pdfIn PDF document text
  • https://fond.ru/userfiles/file/70030973876.pdfIn PDF document text
  • http://coverybox.box8websites.com/ckfinder/userfiles/files/xapizisebovujeno.pdfIn PDF document text
  • https://taybaite.com/userfiles/file/35057799453.pdfIn PDF document text
  • http://seanmore.com/userData/board/file/mazofobosaxaka.pdfIn PDF document text
  • https://feedproxy.google.com/~r/1eyvgo/aqOO/~3/LPIa9PGmDLg/uplcv?utm_term=conditionals+exercises+multiple+choice+pdfPDF 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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