Malicious PDF — malware analysis report

Heuristics 9

• ClamAV: Pdf.Phishing.Trojan-d2568dad23a94d95-d2568dad23a94d95-10044375-0 critical CLAMAV_DETECTION
  ClamAV detected this file as malware: Pdf.Phishing.Trojan-d2568dad23a94d95-d2568dad23a94d95-10044375-0
• Clipboard command execution lure high SE_CLIPBOARD_COMMAND_LURE
  Document tells the user to copy or paste clipboard content into Run, PowerShell, cmd, or another shell-like execution context
• 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 https://medvor.ru/uplcv?utm_term=xplore+apk+download PDF link annotation

  • http://theloanwala.com/userfiles/file/70869393413.pdfIn PDF document text
  • http://midospa.com/upload/files/30660137811.pdfIn PDF document text
  • http://khachsanmyngoc.com/upload/files/nuwejowudi.pdfIn PDF document text
  • https://worldkelo.com/wp-content/plugins/super-forms/uploads/php/files/5fa8dbf1157e8a5abcc2898744fa4ebe/29511390133.pdfIn PDF document text
  • https://hearing-outlet.com/uploads/files/202109020144316901.pdfIn PDF document text
  • https://safrano.pl/userfiles/file/duvenorurepub.pdfIn PDF document text
  • https://bvphcn.bdata.vn/upload/files/93576340437.pdfIn PDF document text
  • http://lepetitjaunais.com/userfiles/file/11960898358.pdfIn PDF document text
  • https://madspot.dk/ckfinder/userfiles/files/nukuzuzu.pdfIn PDF document text
  • http://www.johnknox.ch/wp-content/plugins/formcraft/file-upload/server/content/files/1613f6758461b3---lolagedabirika.pdfIn PDF document text
  • https://yellowstonewildlife.com/rezalosuzexodinesib.pdfIn PDF document text
  • http://madiagranitosilano.it/userfiles/files/90298818784.pdfIn PDF document text
  • http://apisicul.com/userfiles/files/33427103087.pdfIn PDF document text
  • http://quaint-house.com/images/blog/file/99282214302.pdfIn PDF document text
  • https://zenithservicos.com/userfiles/files/geragalagepisirejab.pdfIn PDF document text
  • http://coachhouse.info/assets/file/60145241638.pdfIn PDF document text
  • http://alrabbancapital.com/file/files/23174345117.pdfIn PDF document text
  • http://baodieptailor.com/uploads/2021-09-13/images/files/genenasabed.pdfIn PDF document text
  • http://kanchanaspa.com/ckfinder/userfiles/files/53629579209.pdfIn PDF document text
  • https://lawyerupsmart.com/tempimg/file/28588389850.pdfIn PDF document text
  • http://foxadv.net/file/85305522858.pdfIn PDF document text
  • https://oreopay57.com/ckfinder/userfiles/files/rokoje.pdfIn PDF document text
  • https://noble-worldwide.com/wp-content/plugins/super-forms/uploads/php/files/8ad6bad19c2a13250bb9f7960b26fb16/jozozikoxopuninoku.pdfIn PDF document text
  • http://ckrestaurantgroup.com/ckfinder/userfiles/files/novavi.pdfIn PDF document text
  • http://vyveva.eu/UserFiles/File/dekibazixaberonujere.pdfIn PDF document text
  • https://sfasg.jp/js/ckfinder/userfiles/files/giliwasamifabazigufedag.pdfIn PDF document text
  • http://stroynerud-sm.ru/wp-content/plugins/formcraft/file-upload/server/content/files/16133a4243f980---36959204424.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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