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
• 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://drafthe.ru/uplcv?utm_term=itunes+music+apk PDF link annotation

  • http://cathyknightwaite.com/ckfinder/userfiles/files/wefusepezuwikiwobukoxa.pdfIn PDF document text
  • http://footstepfloor.com/upfiles/files/40536815827.pdfIn PDF document text
  • http://microsolder.hu/userfiles/files/gojutaxaguxined.pdfIn PDF document text
  • http://yoron.net/up/files/41251818577.pdfIn PDF document text
  • http://marinaxaraes.com.br/ckfinder/userfiles/files/duvagarobu.pdfIn PDF document text
  • https://www.cylinder96.ru/admin/ckfinder/userfiles/files/33763681684.pdfIn PDF document text
  • https://lashmakerpro.it/wp-content/plugins/super-forms/uploads/php/files/2lnh3gmin33c19o34drbukc2i4/kujejawexofana.pdfIn PDF document text
  • https://prokoncept.hu/admin/blogfck/image/file/73028789651.pdfIn PDF document text
  • https://duhocblueocean.vn/ckfinder/userfiles/files/14217783991.pdfIn PDF document text
  • http://grandrosso.com/js/upload/files/2737901287.pdfIn PDF document text
  • http://wxhsbl.com/ckfinder/userfiles/files/20210903_014654.pdfIn PDF document text
  • https://www.euroservicemilano.it/wp-content/plugins/formcraft/file-upload/server/content/files/161395c2b51957---mezasunekewamim.pdfIn PDF document text
  • https://markiza-trade.ru/admin/ckfinder/userfiles/files/19021822096.pdfIn PDF document text
  • http://leap-egypt.com/wp-content/plugins/formcraft/file-upload/server/content/files/16138a578831f4---rilukomosufemajeke.pdfIn PDF document text
  • http://dae-young.kr/upload/fckeditor/file/67862128235.pdfIn PDF document text
  • http://carrollcountylawyers.com/customer/3/d/9/3d947ad6ce2568d98b832ccf5548371bFile/65349768665.pdfIn PDF document text
  • https://adamant54.ru/userfiles/files/felivapagun.pdfIn PDF document text
  • http://saddabro.com/userfiles/file/12873020140.pdfIn PDF document text
  • http://sh8ke.com/wp-content/plugins/formcraft/file-upload/server/content/files/16147a30230b97---zulibikojogipekerazakifit.pdfIn PDF document text
  • http://pharmabiosolutions.com/filespath/files/20210919150015.pdfIn PDF document text
  • http://selidbe-beograd.info/files/roxada.pdfIn PDF document text
  • http://mamnonhieutrung.edu.vn/ckfinder/userfiles/files/95135735606.pdfIn PDF document text
  • http://edukoc.net/userData/ebizro_board/file/nezupabidakimadopep.pdfIn PDF document text
  • http://plncse.hu/php_data/file/maxutizu.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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