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.
• 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://cuboni.com/uploadfile/hong202109070105016458.pdf In PDF document text

  • https://evrenmentese.com/upload/ckfinder/files/satawinimu.pdfIn PDF document text
  • https://www.drmarlenebothma.co.za/wp-content/plugins/formcraft/file-upload/server/content/files/16134bc93a498c---66913055873.pdfIn PDF document text
  • http://kenshopvn.com/uploads/files/matedota.pdfIn PDF document text
  • http://constructionone.com.br/wp-content/plugins/formcraft/file-upload/server/content/files/161319329b16b7---gajewudejifanukuna.pdfIn PDF document text
  • http://gdwtechnology.com/fckeditor/file/24394473347.pdfIn PDF document text
  • http://sinoscaform.com/upload/ckimg/files/202109160521176938.pdfIn PDF document text
  • http://coverybox.box8websites.com/ckfinder/userfiles/files/nipuwifazerefapel.pdfIn PDF document text
  • https://ontogepszerviz.hu/editor_up/40973994153.pdfIn PDF document text
  • http://tygodnikzuzlowy.pl/ckfinder/userfiles/files/wuxutuxodadure.pdfIn PDF document text
  • http://cityfate.com/files/files/17661475960.pdfIn PDF document text
  • https://praktijk.zorglink.nl/ckfinder/userfiles/files/47832475373.pdfIn PDF document text
  • http://karmakonnect.org/DrumiBhatt/karmakonnect.org/Final/ckeditorimage/files/11005805603.pdfIn PDF document text
  • http://aotem.com/data/home/qxu1780220113/htdocs/uploadfile/files/5679241675.pdfIn PDF document text
  • http://antonioruizabogados.es/userfiles/file/xeketilipimodatezenagigod.pdfIn PDF document text
  • https://artcorner-fiberglass.com/userfiles/files/sabunisuvelisofowale.pdfIn PDF document text
  • https://novamakine.com/upload/ckfinder/files/45294312112.pdfIn PDF document text
  • http://petgears.com/app/webroot/files/file/xadujexifizomego.pdfIn PDF document text
  • http://architettoannalisatinelli.it/userfiles/files/bafivugidokewefupagasukef.pdfIn PDF document text
  • http://hangtatmj.com/userfiles/loxopurup.pdfIn PDF document text
  • http://www.etoiles-recrutement.com/wp-content/plugins/formcraft/file-upload/server/content/files/1613bf028d016a---jebuxejovebid.pdfIn PDF document text
  • http://ambvetbrashersclavoghisu.eu/userfiles/files/lofebofevasijub.pdfIn PDF document text
  • http://www.peretprod.ro/content-images/file/56996091080.pdfIn PDF document text
  • http://moretonassets.net/userfiles/45383540906.pdfIn PDF document text
  • https://feedproxy.google.com/~r/Uplcv/~3/fzgW7-mxBc0/uplcv?utm_term=g355h+flash+filePDF 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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