Malicious PDF — malware analysis report

Heuristics 6

• 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.
• 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://karlsbach.de/userfiles/files/38676264096.pdf In PDF document text

  • http://techsystem.gr/data/uploads/ckeditor/files/15256292988.pdfIn PDF document text
  • http://gtlitalia.com/userfiles/files/lonifiji.pdfIn PDF document text
  • https://abrasco.org.br/ckfinder/userfiles/files/ragisulawedejin.pdfIn PDF document text
  • https://accesoriosalmayor.com/images/userfiles/file/32532531241.pdfIn PDF document text
  • http://orbitsecurity.qa/pro_mvp_tech/uploads/file/wusipituz.pdfIn PDF document text
  • https://www.coconutlodge.com/wp-content/plugins/formcraft/file-upload/server/content/files/1614263b463dff---mukodesuroboxidanu.pdfIn PDF document text
  • https://absoluteanytime.com/media_file/files/files/25121253990.pdfIn PDF document text
  • http://ntouioc.ntou.edu.tw/ckfinder/userfiles/files/29209163301.pdfIn PDF document text
  • http://expertsystemgroup.com/file_media/file_image/file/63823832107.pdfIn PDF document text
  • http://mylivediamondinventory.com/uploads/files/1657065024.pdfIn PDF document text
  • http://ieltsadd.ir/cache/fck_files/file/11555606092.pdfIn PDF document text
  • https://slezanie.eu/userfiles/file/11410872544.pdfIn PDF document text
  • http://veterinariomauracotti.it/userfiles/files/82197950292.pdfIn PDF document text
  • http://sarljarry.fr/userfiles/file/16783520124.pdfIn PDF document text
  • http://www.barbazan-debat.fr/ckfinder/userfiles/files/dukodifofif.pdfIn PDF document text
  • http://shendaoguoji.com/data/attachment/file/dadobumesokanid.pdfIn PDF document text
  • http://thegioichuyendong.info/app/webroot/upload/files/11805146898.pdfIn PDF document text
  • https://serihosting.com/calisma2/files/uploads/dijuzidumapixowiw.pdfIn PDF document text
  • https://dazzlin.co.uk/wp-content/plugins/super-forms/uploads/php/files/faae44ce9ab178ae1c10530a3a713459/gupazitavosinamuwi.pdfIn PDF document text
  • http://xn--80akoseq9f.xn--p1ai/userfiles/file/13834989281.pdfIn PDF document text
  • https://www.pal-kont.hu/wp-content/plugins/super-forms/uploads/php/files/916939e2f235b34e1ab0b082a9e7276c/87921073998.pdfIn PDF document text
  • https://altstudio.be/app/webroot/uploads/file/51024259657.pdfIn PDF document text
  • http://gadkowski.pl/repository/filemanager/file/gudeketu.pdfIn PDF document text
  • http://kzlo.pl/fotki/fotki/file/99723226069.pdfIn PDF document text
  • http://wlpp.net/images/blog/file/roborugodek.pdfIn PDF document text
  • http://wintec-samu.hu/uploads/files/41961042896.pdfIn PDF document text
  • https://feedproxy.google.com/~r/Uplcv/~3/DOqCt-cVA4I/uplcv?utm_term=how+to+unlock+private+accountPDF 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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