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
• 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.
• Visual download / call-to-action button lure low SE_DOWNLOAD_BUTTON
  Document contains a call-to-action phrase ('Click here to download', 'Download Now', etc.) — low-signal unless other findings point to a malicious workflow
• 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://thaiahpa.com/flash/files/42663051889.pdf In PDF document text

  • http://studiomistretta.com/userfiles/files/vavusuzagusebarewesun.pdfIn PDF document text
  • http://smithmurdock.com/wp-content/plugins/formcraft/file-upload/server/content/files/1613ad1b8f1ab2---zovomesarewagapawelavod.pdfIn PDF document text
  • http://careerpathrecruitment.com/swapscan/app/webroot/js/ckfinder/userfiles/files/44505506838.pdfIn PDF document text
  • https://shastriratanchatterjee.com/ckfinder/userfiles/files/56268412607.pdfIn PDF document text
  • http://freeware-software-download.de/uploads/editor/file/kotozedupipalowose.pdfIn PDF document text
  • http://seasonmediagroup.com/pic/file/jenijanigixetujetogibiw.pdfIn PDF document text
  • https://www.adelaarenergy.com/wp-content/plugins/super-forms/uploads/php/files/tl2vtb4d3f4mlfinrs1jlldc2j/84847864880.pdfIn PDF document text
  • https://www.cukoyem.com.tr/wp-content/plugins/super-forms/uploads/php/files/hd68ajg7gqd3ffurfntp8v93i3/gikapopavevizewubevimuguv.pdfIn PDF document text
  • http://doina.md/fckeditorfiles/file/zijobajaxifug.pdfIn PDF document text
  • https://architektor.ru/uploads/file/wikemosoxarej.pdfIn PDF document text
  • http://manpukulivermore.com/uploads/files/rarakaxap.pdfIn PDF document text
  • http://westpakusa.com/phpsites/vertical_living/uploads/file/guratawum.pdfIn PDF document text
  • http://reichspfarrer.sk/file/38620474933.pdfIn PDF document text
  • https://ngonluathan.com/images/ckeditor/files/63170044891.pdfIn PDF document text
  • https://oldgradeducation.com/ckfinder/userfiles/files/fowobawamojil.pdfIn PDF document text
  • https://klingende-zeder.de/wp-content/plugins/formcraft/file-upload/server/content/files/161829c5e27430---nedimomuwogimoxijuzeme.pdfIn PDF document text
  • http://di-tech.kr/fckeditor/userfiles/file/nozumive.pdfIn PDF document text
  • https://childprotectionindia.com/lexcyberia/userfiles/files/65455326788.pdfIn PDF document text
  • http://www.louisefarmersmith.com/admin/ckeditor/ckfinder/userfiles/files/bufokotij.pdfIn PDF document text
  • https://www.speeddating.lt/speeddating/ckfinder/userfiles/files/dobelasawekibesi.pdfIn PDF document text
  • https://novahealthclinic.ca/userfiles/file/pizewelojifa.pdfIn PDF document text
  • http://feedproxy.google.com/~r/MbOu/~3/vItLtdF7Pec/uplcv?utm_term=things+that+rhyme+with+sensePDF 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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