Malicious PDF — malware analysis report

Heuristics 7

• ClamAV: Pdf.Phishing.Trojan-d2528dad23a95d95-d2528dad23a95d95-10044376-0 critical CLAMAV_DETECTION
  ClamAV detected this file as malware: Pdf.Phishing.Trojan-d2528dad23a95d95-d2528dad23a95d95-10044376-0
• 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://crysiq.ru/uplcv?utm_term=virtual+dj+pro+apk PDF link annotation

  • http://newworldss.com/uploads/file/94639413641.pdfIn PDF document text
  • https://www.fibertech1.com/my_content/js/ckfinder/userfiles/files/felebigixepani.pdfIn PDF document text
  • http://immobilieninvestors.net/userfiles/file/duvewusa.pdfIn PDF document text
  • https://retentionstudentexperience.com/wp-content/plugins/formcraft/file-upload/server/content/files/1613a73606f723---87378839446.pdfIn PDF document text
  • http://actlogistic.vn/upload/editor/files/58677124196.pdfIn PDF document text
  • http://stonepigments.com/userfiles/file/tomomumima.pdfIn PDF document text
  • http://mail.me.ntou.edu.tw/ckfinder/userfiles/files/20210912_102915.pdfIn PDF document text
  • https://webdatedepot.com/userfiles/file/giwozotejuma.pdfIn PDF document text
  • http://jeugdopdewetenschapsagenda.nl/wp-content/plugins/formcraft/file-upload/server/content/files/1614606ff9faf0---dusaz.pdfIn PDF document text
  • http://archissimo.eu/userfiles/files/55080463079.pdfIn PDF document text
  • https://jensbrode.de/files/file/kepuvodusavatufitikin.pdfIn PDF document text
  • http://we-women.de/default/files/uploads/file/74167238780.pdfIn PDF document text
  • http://promocode.lu/userfiles/files/57904058372.pdfIn PDF document text
  • https://satesayap.com/contents/files/15614143264.pdfIn PDF document text
  • https://www.nickelmarket.co.za/includes/ckfinder/userfiles/files/22011559040.pdfIn PDF document text
  • http://ccswcd.com/userfiles/file/rigadanulamerujoku.pdfIn PDF document text
  • http://express-service-auto.fr/ckeditor/ckfinder/userfiles/files/vunosez.pdfIn PDF document text
  • https://icon-studios.com/userfiles/file/waviw.pdfIn PDF document text
  • https://mycultureis.com/FileData/ckfinder/files/20210921_295B794604987872.pdfIn PDF document text
  • https://illinoisfiscalpolicycouncil.org/app/webroot/userfiles/file/bopinovolemoborinulolo.pdfIn PDF document text
  • http://stonepigments.com/userfiles/file/dexugometono.pdfIn PDF document text
  • https://bimore.vn/webroot/img/files/sisiraworuva.pdfIn PDF document text
  • https://lawyerupsmart.com/tempimg/file/dafexizojasovifagakila.pdfIn PDF document text
  • https://www.lorenzofranzone.it/wp-content/plugins/super-forms/uploads/php/files/8c894fe2b6d32c7852f34500eea8fb2c/90011332785.pdfIn PDF document text
  • http://sweepinstyle.com/userfiles/file/71260613179.pdfIn PDF document text
  • http://thedewakohchang.com/image/upload/File/ipufokubodasamavivowirod.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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