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.
• Visual download / call-to-action button lure low SE_DOWNLOAD_BUTTON
  Document contains a call-to-action phrase ('Click here to download', 'Download Now', etc.) — low-signal unless other findings point to a malicious workflow
• 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://huntic.ru/uplcv?utm_term=permutations+and+combinations+worksheet+algebra+2+honors PDF link annotation

  • http://newdimension.su/userfiles/file/56612181616.pdfIn PDF document text
  • https://trsbarriersdirect.com/wp-content/plugins/super-forms/uploads/php/files/9gej3o0q8oi152e1b2rpncglq6/38774178589.pdfIn PDF document text
  • https://nnkcreations.com/userfiles/file/janosegiwufo.pdfIn PDF document text
  • https://verandapattaya.com/userfiles/files/30041422058.pdfIn PDF document text
  • https://ibeguiristain.com/userfiles/files/38686729276.pdfIn PDF document text
  • https://www.colegiodesafio.net/home/wp-content/plugins/formcraft/file-upload/server/content/files/160ac1e097ae72---kitizozegenuvuvepom.pdfIn PDF document text
  • http://www.patricktennis.nl/wp-content/plugins/formcraft/file-upload/server/content/files/160ac1b6709573---subitasiberadigo.pdfIn PDF document text
  • https://baodinhsolar.com/wp-content/plugins/super-forms/uploads/php/files/vdg9jbi2qcirpk3pbkbfuqebtp/36646182117.pdfIn PDF document text
  • http://gongin.humenia.com/upload/userfiles/2021/08/files/210828003411.pdfIn PDF document text
  • https://mosoptagro.ru/wp-content/plugins/super-forms/uploads/php/files/b9df9ff6f328dd1377f6c28344e892e6/tefawasufezodowenu.pdfIn PDF document text
  • http://cambresisemploi.fr/ckfinder/userfiles/files/mugurufimowukovukaz.pdfIn PDF document text
  • http://pferdefreunde-brueckenhof.de/sites/default/files/userfiles/file/funoviwod.pdfIn PDF document text
  • http://emotionpicturesfestival.gr/userfiles/file/62433580641.pdfIn PDF document text
  • https://pamukoglu.com/userfiles/file/65426104051.pdfIn PDF document text
  • https://www.infrascale.com/wp-content/plugins/super-forms/uploads/php/files/5cbc8f8205cdd4c040b04d47c0970006/vowuwarinowimesapuvozopew.pdfIn PDF document text
  • https://aimara-bg.com/userfiles/file/76713788416.pdfIn PDF document text
  • http://www.ncstarim.com.tr/wp-content/plugins/super-forms/uploads/php/files/bpgjop603s2i8a9acuft654n71/tavuxajo.pdfIn PDF document text
  • http://www.advancedevents.ro/wp-content/plugins/formcraft/file-upload/server/content/files/160ac813871120---44863553552.pdfIn PDF document text
  • https://efficimm.fr/userfiles/files/fozitulabig.pdfIn PDF document text
  • http://asianmosaicnyc.com/userfiles/file/nefosiw.pdfIn PDF document text
  • http://ankurgroups.com/userfiles/file/12117617069.pdfIn PDF document text
  • https://www.digitalsofts.com/wp-content/plugins/formcraft/file-upload/server/content/files/160ce0c7e6490b---975691093.pdfIn PDF document text
  • https://landbondcorten.com/attachment/file/627df531cfc7ce58dd9cbfc150620bd0.pdfIn PDF document text
  • https://astdubai.co/userfiles/files/riwebapinuvapazemevevif.pdfIn PDF document text
  • http://daedukgs.com/admin/fckeditor/data/file/20210620003746.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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