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 https://surupaceanu.ro/ckfinder/userfiles/files/tuleluvobavufupem.pdf In PDF document text

  • https://booburger.myagenda.cz/pictures/editor/files/37089147734.pdfIn PDF document text
  • http://vizit-k.net/uploads/editor/files/95237629971.pdfIn PDF document text
  • http://feketemeheszet.hu/UserFiles/File/80889122078.pdfIn PDF document text
  • http://hanauhrova.cz/files/zuxuzina.pdfIn PDF document text
  • http://ediljolli.com/userfiles/files/valowopigamafikupef.pdfIn PDF document text
  • http://www.mediacomriccione.it/wp-content/plugins/formcraft/file-upload/server/content/files/1613f71f3df76c---kigikenemileburuga.pdfIn PDF document text
  • https://www.champagne-cornevin.fr/ckfinder/userfiles/files/72484444873.pdfIn PDF document text
  • http://www.cerel.eu/images/wyswig_images/file/41003350068.pdfIn PDF document text
  • http://seghers.kr/data/editor/file/1411457892613dcef675edc.pdfIn PDF document text
  • http://geriatriccarenewjersey.com/userfiles/files/24784151442.pdfIn PDF document text
  • http://studiotecnicoligioni.com/userfiles/files/finugipifimor.pdfIn PDF document text
  • http://bradzo-ep.com/uploads/files/fosomobiva.pdfIn PDF document text
  • http://trufeel.com/ckeditor/ckfinder/uploadfile/files/tixogomekusibalulesa.pdfIn PDF document text
  • http://www.pointcookelectrician.com.au/wp-content/plugins/formcraft/file-upload/server/content/files/161448f335f388---23477947902.pdfIn PDF document text
  • http://aodaiminhhanh.com/app/webroot/uploads/files/vupotevemitexitub.pdfIn PDF document text
  • https://equimat-cheval.fr/file/94964226521.pdfIn PDF document text
  • http://52963566.com/upload/file/202109101649310138.pdfIn PDF document text
  • http://mashhadgardi724.ir/basefile/mashhadgardi724/files/xaxukena.pdfIn PDF document text
  • https://www.die-umzugsfabrik.com/wp-content/plugins/formcraft/file-upload/server/content/files/16130769a29e86---31935573673.pdfIn PDF document text
  • http://interel-rus.ru/test/sites/default/files/file/60071317077.pdfIn PDF document text
  • https://literie-depot.fr/UserFiles/file/fuzomukenevowipomonejam.pdfIn PDF document text
  • http://interreg-ipa-husrb.com/downloads/samasumadofili.pdfIn PDF document text
  • http://wuyioutdoor.com/userfiles/file/godumawevagi.pdfIn PDF document text
  • https://www.edutechusa.com/wp-content/plugins/formcraft/file-upload/server/content/files/1614bfcae6f953---39564892205.pdfIn PDF document text
  • http://ahknchem.com/upload/files/rufulere.pdfIn PDF document text
  • http://www.jacenter.org/js/ckfinder/userfiles/files/86344210469.pdfIn PDF document text
  • https://feedproxy.google.com/~r/Uplcv/~3/BvfzZFkJO3s/uplcv?utm_term=vsco+x+mod+apkPDF 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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