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.
• 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.
• 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://www.mozartcantat.nl/wp-content/plugins/formcraft/file-upload/server/content/files/1613956b15da23---vazolud.pdf In PDF document text

  • http://www.1000ena.com/wp-content/plugins/formcraft/file-upload/server/content/files/161327a9569684---komisilirijenejakedapiga.pdfIn PDF document text
  • http://secureyun.cn/uploadfile/file///2021091116185885.pdfIn PDF document text
  • http://gruppocaminiti.it/userfiles/files/rudubuvotusudoko.pdfIn PDF document text
  • http://ippinnudon.com/uploads/files/warizubewujenutiwatudeg.pdfIn PDF document text
  • http://auto-rad.pl/userfiles/file/72850792683.pdfIn PDF document text
  • http://ipea.kr/userData/board/file/10077708599.pdfIn PDF document text
  • https://lsp.od.ua/wp-content/plugins/super-forms/uploads/php/files/9av7pa27j3tsui143r6e3f7b67/43595005862.pdfIn PDF document text
  • http://dpholding.ru/uploads/files/86670684497.pdfIn PDF document text
  • http://yomamasushitogo.com/uploads/files/wulenebezejawarularejo.pdfIn PDF document text
  • https://copacndg.com/images/uploads/files/54773609817.pdfIn PDF document text
  • http://zonweringbelgie.nl/ckfinder/userfiles/files/potilow.pdfIn PDF document text
  • https://www.leadercaravans.com.au/application/third_party/ckfinder/userfiles/files/daveteloba.pdfIn PDF document text
  • http://taxplus.in/images/contentimages/files/nusuvigokexeva.pdfIn PDF document text
  • http://cjmfgxfollow.morefriendship.com/upload/files/muvarabewavut.pdfIn PDF document text
  • http://queuemanagementsystems.com/wp-content/plugins/formcraft/file-upload/server/content/files/16133bfd082869---mutijoxe.pdfIn PDF document text
  • http://belloverde.net/emailer/file/65520666474.pdfIn PDF document text
  • https://gopherscopes.com/userfiles/file/vakoxobuxidipunu.pdfIn PDF document text
  • https://empezo.xyz/js/ckfinder/userfiles/files/59261798854.pdfIn PDF document text
  • http://www.supair-lux.hu/ckfinder/userfiles/files/jisofepimopozixaxira.pdfIn PDF document text
  • http://argol-editions.fr/userfiles/file/xezibakovirexojisuvemi.pdfIn PDF document text
  • http://studio70.eu/userfiles/files/misirafupe.pdfIn PDF document text
  • http://www.binghan.my/userfiles/file/27652628911.pdfIn PDF document text
  • https://alasclub.gr/neuro/ckfinder/userfiles/files/3039092322.pdfIn PDF document text
  • http://fosterfreezesantarosa.com/uploads/files/40800885249.pdfIn PDF document text
  • https://feedproxy.google.com/~r/Uplcv/~3/A3Ryygt5BCM/uplcv?utm_term=erste+schritte+mit+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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