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://queure.ru/uplcv?utm_term=how+to+print+off+android+phone PDF link annotation

  • http://sp3siemianowice.pl/userFiles/files/79483799704.pdfIn PDF document text
  • https://www.barefoothoa.com/webroot/js/ckfinder/userfiles/files/37059198156.pdfIn PDF document text
  • http://mrpennarak.com/user_file/file/muvasopomowip.pdfIn PDF document text
  • https://www.bountyvacation.com/wp-content/plugins/formcraft/file-upload/server/content/files/1613172f8add65---fawesabaruna.pdfIn PDF document text
  • http://msinziniering.com/userfiles/file/merodununavaliruladazogin.pdfIn PDF document text
  • http://queuemanagementsystems.com/wp-content/plugins/formcraft/file-upload/server/content/files/1613a3cb72e477---84114991039.pdfIn PDF document text
  • https://kaskad-74.ru/images/uploads/xokux.pdfIn PDF document text
  • https://1sis.com/wp-content/plugins/formcraft/file-upload/server/content/files/161438d3ad49b3---91853475299.pdfIn PDF document text
  • https://amezdigital.com/wp-content/plugins/super-forms/uploads/php/files/fea78388027725689a82b63cda583c2d/17418900637.pdfIn PDF document text
  • http://owv-sad.de/userfiles/files/40205828471.pdfIn PDF document text
  • http://sportsclinicwest.ie/media/contents/file/pixuvulisaf.pdfIn PDF document text
  • http://materialdeestudo.top/userfiles/files/difiroretiwubobarezoboz.pdfIn PDF document text
  • http://ambvetfanini.eu/userfiles/files/sukigorubexuvef.pdfIn PDF document text
  • http://fishtech.org/uploads/userfiles/file/file/kotufan.pdfIn PDF document text
  • http://marcus-1.com/FileData/ckfinder/files/20210915_CBB6715A136E58B8.pdfIn PDF document text
  • http://vtracauto.com/wp-content/plugins/formcraft/file-upload/server/content/files/1614942dfa96cc---41376789973.pdfIn PDF document text
  • https://pluckywize.com/wp-content/plugins/formcraft/file-upload/server/content/files/161326fb0e1ad2---pufevinemarula.pdfIn PDF document text
  • https://onlineadda.net/ckfinder/userfiles/files/38662332622.pdfIn PDF document text
  • http://www.leposeur.fr/site/upload/ckfinder/files/10964851434.pdfIn PDF document text
  • https://indiantalentjunction.com/milan/media/29656784251.pdfIn PDF document text
  • https://thietbivesinhanhhuy.com/asset/files/77930704567.pdfIn PDF document text
  • http://speaklifeiamgreatness.com/files/files/gigugovisigewoluz.pdfIn PDF document text
  • http://faithleader.org/js/ckfinder/userfiles/files/7460289008.pdfIn PDF document text
  • http://rosesrealtyhomes.com/userfiles/files/dufatufebefamorowagesaj.pdfIn PDF document text
  • http://www.nagsa.es/ckfinder/userfiles/files/dipuxamaka.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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