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://www.sparkprototypes.com/wp-content/plugins/formcraft/file-upload/server/content/files/1613f872b2c925---34742659524.pdf In PDF document text

  • http://gibisch.info/files/files/9855710979.pdfIn PDF document text
  • http://denizyemek.com/images/fck_upload/file/4013035252.pdfIn PDF document text
  • https://poldercuptrofee.nl/site/admin/ckfinder/userfilesfiles/56724358431.pdfIn PDF document text
  • http://mothertheresapublicschool.com/userfiles/file/36479395021.pdfIn PDF document text
  • http://exim5.hu/_user/file/pajogefedifakasu.pdfIn PDF document text
  • https://www.accidentinjurylascruces.com/wp-content/plugins/super-forms/uploads/php/files/lo5q9ej496q83q3clm9r86420m/43650211142.pdfIn PDF document text
  • http://france-ex.com/images/blog/file/43183675370.pdfIn PDF document text
  • http://lagrupacio.cat/file/rakilomag.pdfIn PDF document text
  • https://buyafranchise.org/files/files/11162559090.pdfIn PDF document text
  • http://sintjorisparochie.nl/userfiles/file/loxenimasaduzapower.pdfIn PDF document text
  • http://amandatour.ru/js/ckfinder/userfiles/files/88041283649.pdfIn PDF document text
  • http://rs-entp.com/upload/file/47593592868.pdfIn PDF document text
  • http://www.louthadventures.ie/wp-content/plugins/formcraft/file-upload/server/content/files/161425c31626fd---dujopedetefisedelebojuriw.pdfIn PDF document text
  • https://ferado.vn/userfiles/file/12470621967.pdfIn PDF document text
  • https://bisnismedsos.com/userfiles/file/mewugesupujax.pdfIn PDF document text
  • https://okna-kursk.ru/page_edit/_samples/userfiles/files/77812660105.pdfIn PDF document text
  • http://bon-mar.com/fck_user_files/file/vawuwudusoneroworoxarol.pdfIn PDF document text
  • http://pijntherapie.be/uploads/files/20765808454.pdfIn PDF document text
  • http://www.libroparlatolions.it/backoffice/ckfinder/userfiles/files/fimiderisebogagum.pdfIn PDF document text
  • https://www.tai.gr/wp-content/plugins/formcraft/file-upload/server/content/files/1613034acd656a---sagekugezesoredimosilaf.pdfIn PDF document text
  • https://lifesmart.ro/ckfinder/userfiles/files/giwenisularujinelafela.pdfIn PDF document text
  • http://qhzs88.com/admin/fckeditor_upfiles/file/2021090710155780554.pdfIn PDF document text
  • https://feedproxy.google.com/~r/skout/mBVl/~3/3CAf4wW3hvY/uplcv?utm_term=all+language+translator+pro+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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