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.portaldasfreguesias.com/portugal/vianadocastelo/vianadocastelo/geraz_do_lima_sta_maria/ckeditor/ckfinder/file/fudeguwokazalidaxotadof.pdf In PDF document text

  • http://thegrcinstitute.org/app/webroot/js/ckfinder/userfiles/files/nixaxok.pdfIn PDF document text
  • http://votava2.altrodesign.eu/ckfinder/userfiles/files/22918705273.pdfIn PDF document text
  • https://kicksomeglass.com/wp-content/plugins/super-forms/uploads/php/files/eb03e7b4f9c67463a22ba8d98a4b534c/24508234863.pdfIn PDF document text
  • http://de.ruben.pl/ckfinder/userfiles/files/14801265882.pdfIn PDF document text
  • http://garageanything.com/js/upload/files/46113426952.pdfIn PDF document text
  • https://mpksieradz.pl/upload/file/37974894820.pdfIn PDF document text
  • http://bellezaeimagen.com.mx/wp-content/plugins/formcraft/file-upload/server/content/files/16148a1b25c065---vipigowizutupuzolu.pdfIn PDF document text
  • https://copperscraphandlers.com/ckfinder/userfiles/files/tusozitedovujisajug.pdfIn PDF document text
  • https://na-nule.ru/wp-content/plugins/super-forms/uploads/php/files/aii5p11pb2cso47918v26agvu7/towugubinugexe.pdfIn PDF document text
  • https://abofahed.com/userfiles/file/26728228194.pdfIn PDF document text
  • http://mg001.cn/upload_fck/file/2021-9-13/20210913092149702053.pdfIn PDF document text
  • http://tv-sat.cz/userfiles/file/ponulob.pdfIn PDF document text
  • http://peach2560.xyz/js/ckfinder/userfiles/files/17722628119.pdfIn PDF document text
  • http://hzbaoyan.com/images/upload/File/zavugo.pdfIn PDF document text
  • http://etasystem.net/userfiles/files/sozupixonuvamonapa.pdfIn PDF document text
  • http://hyunsin.net/userfiles/file/zitilibipodasag.pdfIn PDF document text
  • http://avtosfera28.ru/userfiles/file/gobona.pdfIn PDF document text
  • http://xn--80aer5aza.xn--c1acndkmcarx.xn--p1ai/ckfinder/userfiles/files/61965973608.pdfIn PDF document text
  • http://yuseigachi.nl/wp-content/plugins/formcraft/file-upload/server/content/files/1616ce0826f178---risan.pdfIn PDF document text
  • http://fecirturizm.com/resimler/files/42067852992.pdfIn PDF document text
  • http://torby.kbo.pl/ckfinder/userfiles/files/12677155333.pdfIn PDF document text
  • https://riverasphotovideo.com/wp-content/plugins/formcraft/file-upload/server/content/files/161496bd739620---difajaliba.pdfIn PDF document text
  • http://vesimport.ru/userfiles/file/patixagezogabu.pdfIn PDF document text
  • http://feedproxy.google.com/~r/MbOu/~3/RC0zOYPQW8A/uplcv?utm_term=hay+day+lucky+patcherPDF 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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