Malicious PDF — malware analysis report

Heuristics 7

• 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.
• 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://www.k-24.com/wp-content/plugins/formcraft/file-upload/server/content/files/160d8a0d5d0855---gewibokazufi.pdf In PDF document text

  • https://t4g.nasscomfoundation.org/wp-content/plugins/super-forms/uploads/php/files/o2jfegqvcq13hjptrb7vhaufb2/29189943300.pdfIn PDF document text
  • http://speed-r.com/js/upload/files/74119625245.pdfIn PDF document text
  • https://speakingparrot.com/upload/ckfinder/files/wonigerepifulovof.pdfIn PDF document text
  • https://www.idahomedia.com/wp-content/plugins/super-forms/uploads/php/files/eee1b206305703a2a2a263d5732a5c54/55313436054.pdfIn PDF document text
  • https://promobryansk.ru/userfiles/files/dunevogigavezazevosokipu.pdfIn PDF document text
  • http://premiumresourcing.com/wp-content/plugins/formcraft/file-upload/server/content/files/1608338111eb12---86399255387.pdfIn PDF document text
  • http://worldofpacifiers.com/editor_uploads/system/files/kakun.pdfIn PDF document text
  • http://alfavit.tv/userfiles/file/67153352530.pdfIn PDF document text
  • http://ural-resyrs.ru/data/file/wogukevizumexovepe.pdfIn PDF document text
  • http://checopharma.com/upload/files/53518385777.pdfIn PDF document text
  • http://dinskayarealty.ru/media/file/lumobenivi.pdfIn PDF document text
  • https://rajatotogroup4.com/contents//files/23702905468.pdfIn PDF document text
  • http://huntland.hu/upload/file/36755999977.pdfIn PDF document text
  • https://whitelightdesign.com/wp-content/plugins/super-forms/uploads/php/files/bd3944d422b41648c872ab7b8241850c/96360218578.pdfIn PDF document text
  • http://doremimarlikinsaat.com/userfiles/file/75862568554.pdfIn PDF document text
  • http://www.mearesandassociatesllc.com/siteuploads/editorimg/file/50460227287.pdfIn PDF document text
  • http://ozdoby-betonowe21.pl/Upload/file/78461796920.pdfIn PDF document text
  • https://www.espymetcalf.com/wp-content/plugins/formcraft/file-upload/server/content/files/1608ecea803f89---17325500649.pdfIn PDF document text
  • http://hellnocancershow.com/wp-content/plugins/formcraft/file-upload/server/content/files/16087105e3aeee---81894183488.pdfIn PDF document text
  • https://feedproxy.google.com/~r/1eyvgo/aqOO/~3/LPIa9PGmDLg/uplcv?utm_term=microbiology+laboratory+theory+%26+application+brief+3e+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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