Malicious PDF — malware analysis report

Heuristics 7

• 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.
• JavaScript action low PDF_JAVASCRIPT
  PDF contains a /JavaScript action. 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 http://adacu.org/userfiles/file/20210919085708.pdf In PDF document text

  • https://www.heainc.com/wp-content/plugins/formcraft/file-upload/server/content/files/161311472ceb85---48698917692.pdfIn PDF document text
  • https://atrax.eu/userfiles/file/34332351236.pdfIn PDF document text
  • http://antichigelsi.it/userfiles/files/powilesowarekovanefopew.pdfIn PDF document text
  • https://webbsoil.com/home/webb/public_html/ckfinder/userfiles/files/57686739990.pdfIn PDF document text
  • https://webvitamin.vn/app/webroot/uploads/files/lurumixutegom.pdfIn PDF document text
  • http://www.neslihanonur.com/wp-content/plugins/super-forms/uploads/php/files/f101df528f7d62a9572bda782e97b328/97310728628.pdfIn PDF document text
  • https://mgrenginiai.lt/ckfinder/userfiles/files/11787468878.pdfIn PDF document text
  • https://swotin.com/wp-content/plugins/formcraft/file-upload/server/content/files/16140551f80c7d---91623382716.pdfIn PDF document text
  • https://minlinart.com/archive/upload/files/xigedabodutajufizuguzawij.pdfIn PDF document text
  • https://lawrenceyezersky.com/userfiles/file/60161077571.pdfIn PDF document text
  • https://matao.ro/app/webroot/files/userfiles/files/ripusifimoretutijasamob.pdfIn PDF document text
  • https://www.heainc.com/wp-content/plugins/formcraft/file-upload/server/content/files/1613e06d9c4dbd---19992442080.pdfIn PDF document text
  • http://brenderup.ro/mm/file/dapivelemupisuporojuzu.pdfIn PDF document text
  • http://perfekt-dom.pl/designhome/admin/userfiles/file/dedalifovun.pdfIn PDF document text
  • http://fundacjaproartis.pl/javascript/ckfinder/userfiles/files/63218532846.pdfIn PDF document text
  • http://lionsmarsala.it/userfiles/files/37382333601.pdfIn PDF document text
  • http://sydjpg.com/images/upload/file/20210913_150315_126.pdfIn PDF document text
  • https://cruiseship.cruises/wp-content/plugins/super-forms/uploads/php/files/noml02roefnb3vnsm9mghnc6c7/lidunuxabosudu.pdfIn PDF document text
  • http://celesteandtorsten.wedding/images/file/turorulepe.pdfIn PDF document text
  • http://brickchamber.com/ckfinder/userfiles/files/kesejejarupevafeviperajig.pdfIn PDF document text
  • http://relaxzenter.com/uploads/files/41890373107.pdfIn PDF document text
  • https://www.huaikrachaohospital.go.th/assets/global/lib/ckfinder/userfiles/files/96792540289.pdfIn PDF document text
  • http://innova-perila.ru/upload/files/65272775997.pdfIn PDF document text
  • https://feedproxy.google.com/~r/1eyvgo/aqOO/~3/DOqCt-cVA4I/uplcv?utm_term=best+mobile+weather+app+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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