Malicious PDF — malware analysis report

Heuristics 7

• ClamAV: Pdf.Phishing.Trojan-d2528dad23a95d95-d2528dad23a95d95-10044376-0 critical CLAMAV_DETECTION
  ClamAV detected this file as malware: Pdf.Phishing.Trojan-d2528dad23a95d95-d2528dad23a95d95-10044376-0
• 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://blackhorsesc.pl/userfiles/file/46517808236.pdf In PDF document text

  • http://ylgems.com/file_media/file_image/file/24522710455.pdfIn PDF document text
  • http://carscaso.com/js/upload/files/9151537098.pdfIn PDF document text
  • http://aven.su/userfiles/file/21153584761.pdfIn PDF document text
  • http://peaceinsrilanka.lk/userfiles/file/1356442093.pdfIn PDF document text
  • http://tauzetaques.com/clients/1/1b/1b95303171b4519794d6fee637ef680e/File/10810892866.pdfIn PDF document text
  • http://ahsaipu.com/v15/Upload/file/2021429947414090.pdfIn PDF document text
  • http://iaestedresden.de/userfiles/file/6730350790.pdfIn PDF document text
  • https://israelonthehouse.com/wp-content/plugins/formcraft/file-upload/server/content/files/160bdd6868db2b---xejuzozotibofixi.pdfIn PDF document text
  • https://papersacksfactory.ae/images/bulk_images/files/91460096221.pdfIn PDF document text
  • http://to-kajihan.net/js/upload/files/4813637028.pdfIn PDF document text
  • http://deurenhanger.nl/userfiles/file/robetemonijavurutuvu.pdfIn PDF document text
  • https://amenajarisiconstructii.ro/wp-content/plugins/formcraft/file-upload/server/content/files/1608a25aaca55b---4064862629.pdfIn PDF document text
  • https://halobysciton.com/wp-content/plugins/formcraft/file-upload/server/content/files/16074424829919---94756672987.pdfIn PDF document text
  • http://mtcclassof81.com/clients/0/0a/0a45bd3013a8cc77df817aa526a911b1/File/29620294602.pdfIn PDF document text
  • http://3wsystems.com/shipinc/userfiles/files/rejerugefebilo.pdfIn PDF document text
  • https://taevlingar.se/images/pages/file/wabot.pdfIn PDF document text
  • https://sgotomotiv.org/upload/files/34509272932.pdfIn PDF document text
  • https://kodcomputers.ro/2664/uploads/bedasumo.pdfIn PDF document text
  • https://www.frankcapassoandsons.com/wp-content/plugins/formcraft/file-upload/server/content/files/1608f22dd80a2b---50040776543.pdfIn PDF document text
  • https://htfcompact.com/wp-content/plugins/super-forms/uploads/php/files/da6fbf9516b5a8ac7a367c4f4ede48e2/wimapetixozavizumapakufax.pdfIn PDF document text
  • https://verlauf-ekb.ru/admin/ckfinder/userfiles/files/65545946814.pdfIn PDF document text
  • http://www.ashtralmedia.com/wp-content/plugins/formcraft/file-upload/server/content/files/160b916f59a422---jenivetomafe.pdfIn PDF document text
  • http://www.segurosfacility.com.br/wp-content/plugins/formcraft/file-upload/server/content/files/1608ddf7221971---67064585083.pdfIn PDF document text
  • http://www.annaleehuber.com/content_files/file/11325149372.pdfIn PDF document text
  • https://feedproxy.google.com/~r/1eyvgo/aqOO/~3/3vuEKuznOb8/uplcv?utm_term=copy+text+from+pdf+strange+charactersPDF 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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