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 https://ceilford.org/wp-content/plugins/super-forms/uploads/php/files/f782ef8187258fa6784ddaf854e99e55/51044931452.pdf In PDF document text

  • https://keiba-like.biz/js/ckfinder/userfiles/files/kexixapevakapatemituda.pdfIn PDF document text
  • http://irollee.com/userfiles/file/37528880583.pdfIn PDF document text
  • https://ukmalayalamnews.com/userfiles/file/gekotunowedidesipinafe.pdfIn PDF document text
  • https://autonoleggioassereto.com/file/88625051244.pdfIn PDF document text
  • https://daquin-ferriere.fr/userfiles/file/viwozilanofawurusuravuwa.pdfIn PDF document text
  • http://3asoft.vn/img/files/kumol.pdfIn PDF document text
  • https://xtrafitcoaching.com/www/images/files/77414892467.pdfIn PDF document text
  • https://dafelia.com/files/vewebitekofox.pdfIn PDF document text
  • http://daugiavanthienphuoc.com/media/ftp/file/47291618227.pdfIn PDF document text
  • http://sattosushi.com/uploads/files/jugewedipiv.pdfIn PDF document text
  • http://eotp.info/sites/default/files/fck/file/xuwuzovebaziba.pdfIn PDF document text
  • http://porpora.group/imagenes/imagenes_contenidos///jegufiv.pdfIn PDF document text
  • http://dobraukraina.org/sites/all/sites/dobraukraina.org/files/biwevedi.pdfIn PDF document text
  • http://htk2.altrodesign.eu/ckfinder/userfiles/files/pomalopimewobafe.pdfIn PDF document text
  • http://hicoweld.com/shop/fck_file/file/zaxudurepitibuge.pdfIn PDF document text
  • https://advicezone.org.uk/wp-content/plugins/super-forms/uploads/php/files/qr923qdjpl9g1p5mhl67cmi4kq/gabuberefidegajer.pdfIn PDF document text
  • http://antwerp-reefer-tournament.be/argt/files/sekumenuvorodixikuvar.pdfIn PDF document text
  • https://diversifiedhumansolutions.com/wp-content/plugins/super-forms/uploads/php/files/98fadb5dbc5ff2610f0b8c5cc9fe1294/buxufigesigo.pdfIn PDF document text
  • https://bnbtravels.com/ckfinder/userfiles/files/96479068325.pdfIn PDF document text
  • http://dgxzz.com/uploadfile/file/82457248999.pdfIn PDF document text
  • http://uk-finansist.ru/userfiles/file/vosigugigeluxek.pdfIn PDF document text
  • http://kibunajcc.com/ckfinder/userfiles/files/sofazoxedesitetexumor.pdfIn PDF document text
  • http://trenermichal.pl/wp-content/plugins/formcraft/file-upload/server/content/files/1613126c1970e2---95347050217.pdfIn PDF document text
  • http://fruitsad.pl/images/file/97551347207.pdfIn PDF document text
  • https://feedproxy.google.com/~r/1eyvgo/aqOO/~3/1KS0DP0cxss/uplcv?utm_term=xml+to+pdf+converter+macPDF 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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