Malicious PDF — malware analysis report

Heuristics 8

• 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.
• 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 http://e-store-sys.com/userfiles/file/takagi.pdf In PDF document text

  • http://cofetariafraguta.ro/UserFiles/file/geguvewibejegazipo.pdfIn PDF document text
  • http://huichem.com/ckfinder/userfiles/files/voparafenurerox.pdfIn PDF document text
  • https://33mobility.net/uploads/files/nudikozagewiruw.pdfIn PDF document text
  • http://www.portofmiamitunnel.com/system/js/back/ckfinder/userfiles/files/84094894328.pdfIn PDF document text
  • https://kaxtongroup.com/home5/maxconne/public_html/kaxtongroup/assets/images/newspostimages/files/75657310819.pdfIn PDF document text
  • http://silesiacapital.eu/data/file/98662616821.pdfIn PDF document text
  • http://tysons-cafe.com/uploads/files/30391155329.pdfIn PDF document text
  • http://www.finanzanlagen-honorarberatung.de/wp-content/plugins/formcraft/file-upload/server/content/files/16141402a23a7d---vexegotuvegoduzomirovevo.pdfIn PDF document text
  • https://marblo.ph/app/webroot/img/files/41796967352.pdfIn PDF document text
  • http://maudchristan.nl/ckfinder/userfiles/files/72380917968.pdfIn PDF document text
  • http://mikomisushi.com/uploads/files/64653480042.pdfIn PDF document text
  • https://piphoto.tw/uploads/files/202109061146573205.pdfIn PDF document text
  • http://birons.net/wp-content/plugins/super-forms/uploads/php/files/dca8cd44bbd3cf194f6abc9a721ac160/ninexakabavevufunorep.pdfIn PDF document text
  • http://subventionsbetrug.de/wp-content/plugins/super-forms/uploads/php/files/vnsulod5rejbt3bgfaipfj1t99/34181719151.pdfIn PDF document text
  • http://reguitti-engineering.it/userfiles/files/xapotaderewezatimetezel.pdfIn PDF document text
  • http://melissajacksonmd.com/wp-content/plugins/formcraft/file-upload/server/content/files/161352d34593a7---36395046394.pdfIn PDF document text
  • https://grandegroup.net/files/90280817234.pdfIn PDF document text
  • https://prcomponents.com/ckfinder/userfiles/files/jixeruxulazowa.pdfIn PDF document text
  • http://eventechsite.com/files/files/76342447468.pdfIn PDF document text
  • http://vipnjl.com/userfiles/files/84969567142.pdfIn PDF document text
  • http://accessiblevehicleservices.com/userfiles/file/wesol.pdfIn PDF document text
  • http://hide-bo.com/img/tmp/file/nolubevowolulepej.pdfIn PDF document text
  • https://feedproxy.google.com/~r/skout/mBVl/~3/S30rS-6n6vg/uplcv?utm_term=sqlite+manager+apkPDF link annotation
  • https://www.rt9.rspo.org/ckfinder/userfiles/files/38708633473.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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