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://catamma.ru/uplcv?utm_term=cheat+roblox+lumber+tycoon+2+axe PDF link annotation

  • http://imobilestore.de/userfiles/file/6028226392.pdfIn PDF document text
  • https://berbagiangka.com/contents/files/jilozabifomatifu.pdfIn PDF document text
  • http://kkagro.com/media/images/upload/file/91103346144.pdfIn PDF document text
  • http://3e-machinery.ru/app/webroot/filesfiles/2931183777.pdfIn PDF document text
  • https://betonwerkendejonge.nl/wp-content/plugins/formcraft/file-upload/server/content/files/16132335a8a54c---xijopebugevem.pdfIn PDF document text
  • http://www.firstpages.eu/app/webroot/files/userfiles/files/winavetimojukolitid.pdfIn PDF document text
  • http://gasasosong.com/upload/fckeditor/file/fowofewiv.pdfIn PDF document text
  • http://romanakladatelstvi.cz/userfiles/file/84388816631.pdfIn PDF document text
  • http://etcpremium.com/userfiles/files/16652139548.pdfIn PDF document text
  • http://adamlegal.com/userfiles/file/61997745529.pdfIn PDF document text
  • http://lawcab.ru/wp-content/plugins/formcraft/file-upload/server/content/files/16138dee1cbd33---61864998409.pdfIn PDF document text
  • http://cortocircuito.trialpanel.com/images/Upload/files/85827956836.pdfIn PDF document text
  • http://jsdarvin.com/files/91648766979.pdfIn PDF document text
  • http://tbm-mova.by/images_from_html_editor/file/74417247319.pdfIn PDF document text
  • http://ocean-ex.com/images/blog/file/pozovixo.pdfIn PDF document text
  • http://kovacsoltvaskerites.hu/images/file/3325518363.pdfIn PDF document text
  • http://lyzjkgm.com/d/files/subegevetu.pdfIn PDF document text
  • http://livestreaming.group/wp-content/plugins/super-forms/uploads/php/files/dbg5h2b64cs3hs4oanagil7bigsf3kdo/11423361226.pdfIn PDF document text
  • https://reaga.net/js/ckfinder/userfiles/files/49557033592.pdfIn PDF document text
  • http://printrun.nl/userfiles/files/54038091651.pdfIn PDF document text
  • http://angel-conference.org/upload_fck/file/2021-9-12/20210912175058154897.pdfIn PDF document text
  • http://linuxnewyork.com/draft/media/5350410388.pdfIn PDF document text
  • http://balalajka.nu/media/voduzalevijipigivatad.pdfIn PDF document text
  • http://underbutter.cz/download/foto/kabitebetasin.pdfIn PDF document text
  • http://feynburg-uhren.de/uploads/volowemu.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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