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://synerhu.ru/uplcv?utm_term=how+to+install+twrp+without+root+and+pc PDF link annotation

  • http://shlawllc.com/customer/3/d/9/3d947ad6ce2568d98b832ccf5548371bFile/6568092542.pdfIn PDF document text
  • https://happycustomerservice.com/wp-content/plugins/super-forms/uploads/php/files/c94b3e971352690431d54257ce21cf01/59235276684.pdfIn PDF document text
  • http://mtecommerce.it/public/news/file/jevizubafufifatemepig.pdfIn PDF document text
  • http://www.stratcareerservices.com/wp-content/plugins/formcraft/file-upload/server/content/files/1615086cc7108c---zuvodonabaxefugi.pdfIn PDF document text
  • http://shiinamotors.com/js/upload/files/pilokena.pdfIn PDF document text
  • http://studiopol.it/userfiles/files/94091248947.pdfIn PDF document text
  • https://www.frontierexim.com/wp-content/plugins/super-forms/uploads/php/files/974nt7jpa292fvnjdv3r533vsd/11491862240.pdfIn PDF document text
  • https://ruxthai-guesthouse-chiangmai.com/ckfinder/userfiles/files/tirorizonubabepozalikiba.pdfIn PDF document text
  • https://on-call-anatomist.org/ckfinder/userfiles/files/vagarisijefonefebeto.pdfIn PDF document text
  • https://www.albriug.com/static/editor/ckeditor/ckfinder/upfile/files/82801920384.pdfIn PDF document text
  • https://kvzriu.org/images/file/22824408324.pdfIn PDF document text
  • http://zjhywt.com/images/upload/File/19393254802.pdfIn PDF document text
  • https://vickers-electronics.co.uk/wp-content/plugins/super-forms/uploads/php/files/a0e9246dc0659ae1613ff55f86e41501/37522582146.pdfIn PDF document text
  • http://abcbyspu.com/ckfinder/images_store/files/nalubiseridibugumozu.pdfIn PDF document text
  • http://ohmytour.kr/FileData/ckfinder/files/20210905_374CCF2604CF40A9.pdfIn PDF document text
  • http://pet.nfe.go.th/m_site/ckfinder/userfiles/files/23458351098.pdfIn PDF document text
  • http://home-hj.com/up_photo/file/segokibugup.pdfIn PDF document text
  • https://www.glasswindowequipment.com/wp-content/plugins/super-forms/uploads/php/files/fcad4fcc6a53a48ae52bec95c9fb806c/95640876687.pdfIn PDF document text
  • https://emailing-online.fr/uploads/userfiles/file/18290178203.pdfIn PDF document text
  • http://quimis.org/js/ckfinder/userfiles/files/xibizumukekewoxom.pdfIn PDF document text
  • http://lamay.de/userfiles/file/kerakowixuzot.pdfIn PDF document text
  • http://2015.letnifestiwal.pl/ckfinder/userfiles/files/5538883943.pdfIn PDF document text
  • http://powerfalcon.net/uppic/files/tusuzime.pdfIn PDF document text
  • http://comitatoamiantovelodromo.org/userfiles/file/watafig.pdfIn PDF document text
  • http://miryangpension.com/FileData/ckfinder/files/20210911_5D0BCDD432E35DC9.pdfIn PDF document text
  • 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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