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.
• Urgency / deadline lure low SE_URGENCY_LURE
  Document contains urgency or deadline language ('account will be terminated', 'action required within 24 hours', etc.) — useful context, but low-signal without other findings
• 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://stkvn.ru/wp-content/plugins/super-forms/uploads/php/files/97a8f5cde23ed2d1d4fb9366f1a417e7/futon.pdf In PDF document text

  • http://imosa.asia/uploads/files/202109161054185317.pdfIn PDF document text
  • http://goodtraefarm.com/ckupload/files/rokiponagase.pdfIn PDF document text
  • https://aspaeng.com/files/image/files/27592334278.pdfIn PDF document text
  • http://crabandclaw.com/uploads/files/midemekowubajesidadunapo.pdfIn PDF document text
  • http://monterroso-construpuntos.com/campannas/file/ropumoxefuzijulepuxejizi.pdfIn PDF document text
  • http://aan.kz/ckfinder/userfiles/files/modewivefap.pdfIn PDF document text
  • https://www.web2business.pt/wp-content/plugins/formcraft/file-upload/server/content/files/1613108be4d368---segexosokuto.pdfIn PDF document text
  • http://modernplating.com/userfiles/file/14955664998.pdfIn PDF document text
  • http://khiconghoixuancong.com/Khicong/admin/userfiles/file/21011980899.pdfIn PDF document text
  • https://www.edmcenter.xyz/ckfinder/userfiles/files/5250342848.pdfIn PDF document text
  • https://controlcert.se/wp-content/plugins/formcraft/file-upload/server/content/files/161428a94c7a4c---mafijividimuzepul.pdfIn PDF document text
  • https://izr.fr/files/nubazijow.pdfIn PDF document text
  • http://melabo.com/upload/files/56728509010.pdfIn PDF document text
  • http://rimini-portal.de/bilderarchiv/file/jamorelusebuvaxa.pdfIn PDF document text
  • https://halkum.rs/files/7775531934.pdfIn PDF document text
  • http://elcwma.com/customer/3/d/9/3d947ad6ce2568d98b832ccf5548371bFile/9615186600.pdfIn PDF document text
  • https://transcendenceit.com/wp-content/plugins/super-forms/uploads/php/files/42016302c90432f50836382508b6bc42/mekawixurovi.pdfIn PDF document text
  • http://pepinieres-soupe.com/userfiles/file/43980093527.pdfIn PDF document text
  • http://hrampetraipavlavosstanovlenie.ru/content/images/user/file/piraxuma.pdfIn PDF document text
  • https://butagallery.com/userfiles/files/jarujolitojix.pdfIn PDF document text
  • https://ccskin.com/geektic/files/woludibanilujuze.pdfIn PDF document text
  • https://www.rath-catering.de/wp-content/plugins/formcraft/file-upload/server/content/files/1614155ecec32f---xurajijanadafe.pdfIn PDF document text
  • http://aeskulap24h.com/wp-content/plugins/formcraft/file-upload/server/content/files/161403c7746da3---roverinemulozilepevuxanip.pdfIn PDF document text
  • https://maftplayer.net/calisma2/files/uploads/32864850875.pdfIn PDF document text
  • https://feedproxy.google.com/~r/Uplcv/~3/GLLx1DTH0VQ/uplcv?utm_term=bot3d+editor+for+androidPDF 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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