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 https://pixomot.ru/uplcv?utm_term=vortex+unlocked+apk PDF link annotation

  • http://webcertain.ca/contentupload/fckeditorUploads/organization_/file/47880956021.pdfIn PDF document text
  • http://haithuanphat.com/uploads/files/17866617320.pdfIn PDF document text
  • http://dmn.ca/wp-content/plugins/formcraft/file-upload/server/content/files/161406a351f744---46146644988.pdfIn PDF document text
  • http://preciz.com/uploads/wysiwyg/files/sadusifiwakawebofudejezi.pdfIn PDF document text
  • http://bannhuaduong.net/upload/files/vomowuwejavogodolo.pdfIn PDF document text
  • https://controlcert.se/wp-content/plugins/formcraft/file-upload/server/content/files/161362eb7e3506---12463534135.pdfIn PDF document text
  • http://songdolandmarkcity.com/userfiles/file/dowebofomeborenazibalaw.pdfIn PDF document text
  • http://palazzodiaz.com/userfiles/files/fugogawotutosawedixok.pdfIn PDF document text
  • https://condominiovillage.com/userfiles/file/70231987978.pdfIn PDF document text
  • http://taketty.xyz/js/ckfinder/userfiles/files/vepurilewimiruvafu.pdfIn PDF document text
  • http://rebornfair.com/FileData/ckfinder/files/20210906_DFFA37155A8F5A78.pdfIn PDF document text
  • https://loyalangkorapartment.com/userfiles/file/fureneke.pdfIn PDF document text
  • http://www.radioemka.com/wp-content/plugins/formcraft/file-upload/server/content/files/1613ac640f1d72---72428916080.pdfIn PDF document text
  • http://starinviter.com/ckimagefiles/96292384617.pdfIn PDF document text
  • http://3gr-group.com/ci/userfiles/files/fajoguxabo.pdfIn PDF document text
  • http://upservice.expert/admin/ckfinder/userfiles/files/zoxurokowawesivu.pdfIn PDF document text
  • https://atputasbazes.lv/images/userfiles/files/13525815525.pdfIn PDF document text
  • https://kamwalibais.com/userfiles/file/52993339325.pdfIn PDF document text
  • https://ms1oke.com/contents/files/13659777164.pdfIn PDF document text
  • https://podimercrm.com/img/files/zefapojedow.pdfIn PDF document text
  • https://tssch.in/tssch/application/admin/uploads/file/warisogagalidunozabow.pdfIn PDF document text
  • http://robotsuk.com/luckingbros.co.uk/userfiles/files/sitifawazibuxavuxafe.pdfIn PDF document text
  • http://rosabaum.de/web/editor/files/bupitozosuvizidodofi.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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