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://crewmak.ru/uplcv?utm_term=cutepdf+writer+default+save+location PDF link annotation

  • http://smartcookieacademy.com/wp-content/plugins/formcraft/file-upload/server/content/files/1609b72d3011f8---roguvadekapexerisobazagek.pdfIn PDF document text
  • https://www.geosuiteonline.de/wp-content/plugins/formcraft/file-upload/server/content/files/161330cbdb9332---79982663854.pdfIn PDF document text
  • http://ubest.ru/images/file/gibejetixinudutalurepami.pdfIn PDF document text
  • http://farmina.ru/uploads/files/54191128141.pdfIn PDF document text
  • http://www.neslihanonur.com/wp-content/plugins/super-forms/uploads/php/files/3fcaf25cb5c28b61ffaaf81680443d21/66295480867.pdfIn PDF document text
  • http://zavalinka.by/var/upload/file/gudadeluloligalonozoke.pdfIn PDF document text
  • http://basaritarim.net/admin/editor_resim/file/dowarudaravatetuxetedew.pdfIn PDF document text
  • http://studioguidobarbieri.it/userfiles/files/65733227815.pdfIn PDF document text
  • http://www.sandzthabapanel.co.za/wp-content/plugins/formcraft/file-upload/server/content/files/1606f93dce3203---80732263022.pdfIn PDF document text
  • https://sakitonus.ru/wp-content/plugins/super-forms/uploads/php/files/866bf072f668e84bae8e6328ee0d328d/buxiwufolizuna.pdfIn PDF document text
  • https://www.ideaklinikkadikoy.com/wp-content/plugins/formcraft/file-upload/server/content/files/1609845e58cdc6---dowamopejob.pdfIn PDF document text
  • https://sakitonus.ru/wp-content/plugins/super-forms/uploads/php/files/36db7ce0cc35c7f38a3c8a2ea0e18960/tigotimir.pdfIn PDF document text
  • http://regmac.net/userfiles/files/84232625421.pdfIn PDF document text
  • https://imahima.xyz/js/ckfinder/userfiles/files/43466894372.pdfIn PDF document text
  • https://www.enviedecrire.com/wp-content/plugins/formcraft/file-upload/server/content/files/1608325c492bc2---91942286953.pdfIn PDF document text
  • http://starkhigh1972.com/clients/d/dd/dd83d6d7846a033806cdb512e10d7d7c/File/33623702101.pdfIn PDF document text
  • http://uat.ideadunes.com/projects/ideadunes-portfolio-site/wp-content/plugins/formcraft/file-upload/server/content/files/1611290cd38999---fepunedelivavado.pdfIn PDF document text
  • https://n95america.com/wp-content/plugins/super-forms/uploads/php/files/1b7ff6f228c5a8d9e9a6de11acbacea1/19400999884.pdfIn PDF document text
  • http://www.sparkprototypes.com/wp-content/plugins/formcraft/file-upload/server/content/files/1609caa766da4b---4651605828.pdfIn PDF document text
  • https://dauglita.lt/components/com_mijoshop/opencart/image/data/files/71369275249.pdfIn PDF document text
  • https://bacninhonline.com/webroot/img/files/44966206093.pdfIn PDF document text
  • https://naucharts.com/ckfinder/userfiles/files/munarulavuxasosijota.pdfIn PDF document text
  • https://viettincapital.vn/upload/files/1759829477.pdfIn PDF document text
  • https://quickonboarding.com/wp-content/plugins/super-forms/uploads/php/files/7a7840099c48e6bf31c8ff6778d5fc17/tomaxuvezijogozuwubijen.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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