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
• 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.
• 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://111-orte.de/testarea/cwsCMSlight/media/files/vigaku.pdf In PDF document text

  • https://hoffmanowska.pl/wp-content/plugins/formcraft/file-upload/server/content/files/160951e2e3ca1a---72976193676.pdfIn PDF document text
  • http://jockmurray.com/wp-content/plugins/formcraft/file-upload/server/content/files/1609f0e2758a4d---faporuw.pdfIn PDF document text
  • https://ontime-taxi.kg/wp-content/plugins/super-forms/uploads/php/files/97aca3c15645890bbafb732f8cffe2ef/sugopumu.pdfIn PDF document text
  • http://indago-rovigo.it/userfiles/files/befabaxeme.pdfIn PDF document text
  • http://bagandpack.ru/wp-content/plugins/super-forms/uploads/php/files/b51bf7874a2fff6e7b2f4d4637af2bbe/78854431348.pdfIn PDF document text
  • http://www.cargeacrew.com.br/wp-content/plugins/formcraft/file-upload/server/content/files/160b416fec8871---32093190944.pdfIn PDF document text
  • http://verkoop-je-wagen.be/wp-content/plugins/formcraft/file-upload/server/content/files/1610a6d09a386f---469015134.pdfIn PDF document text
  • http://gerocuki.hu/user/file/40703322797.pdfIn PDF document text
  • http://www.sport-konyv.hu/userfiles/file/78319958682.pdfIn PDF document text
  • http://niengrangchuyensau.com/upload/contentFile/file/xepoxewu.pdfIn PDF document text
  • http://aweibel.com/Photo/file/pinofoxipefonudadoba.pdfIn PDF document text
  • https://299-45.com/CKEdit/upload/files/37873758834.pdfIn PDF document text
  • http://hyunbulsa.org/~ewedd2/userfiles/file/38818328602.pdfIn PDF document text
  • https://vienhung.com/webroot/img/files/tuwolobesuz.pdfIn PDF document text
  • http://khachsansapa.vn/webroot/img/files/gukuvuvulememopilosutis.pdfIn PDF document text
  • https://trucraftsmanship.com/wp-content/plugins/formcraft/file-upload/server/content/files/160a47aeeb3ef2---popuvir.pdfIn PDF document text
  • http://studiosaletta.it/userfiles/files/72536742626.pdfIn PDF document text
  • https://husvagnsexpo.se/wp-content/plugins/formcraft/file-upload/server/content/files/160aa3a6ec1a7f---luximakixoparofojafofi.pdfIn PDF document text
  • https://www.guestquesttravelmedia.com/wp-content/plugins/super-forms/uploads/php/files/stgtk84jcsm4di60404baoknrm/82268230756.pdfIn PDF document text
  • http://pmdrecycling.com/wp-content/plugins/formcraft/file-upload/server/content/files/16086bacce1b68---fudorixoda.pdfIn PDF document text
  • http://thegioituigiay.net/uploads/files/28177483611.pdfIn PDF document text
  • http://xn--or3bi2da319p.com/upload/fckeditor/file/4254162954.pdfIn PDF document text
  • https://stayinbranson.com/ckfinder/triplebuserfiles/file/99690790798.pdfIn PDF document text
  • https://feedproxy.google.com/~r/Uplcv/~3/BvfzZFkJO3s/uplcv?utm_term=how+to+remove+password+protection+in+pdf+filePDF 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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