Malicious PDF — malware analysis report

Heuristics 8

• 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.
• 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
• 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://archism.ru/uplcv?utm_term=wills+eye+manual+download PDF link annotation

  • http://changwontour.kr/FileData/ckfinder/files/20210626_F62E8494397FA0C9.pdfIn PDF document text
  • http://nnk.gr/wp-content/plugins/formcraft/file-upload/server/content/files/1608b4cf4c5814---51048958131.pdfIn PDF document text
  • https://unicorn.mn/js/ckfinder/userfiles/files/jekufizunad.pdfIn PDF document text
  • https://www.kiteschule-eckernfoerde.de/wp-content/plugins/formcraft/file-upload/server/content/files/160db8f199125a---vepadunovexutazanupuzade.pdfIn PDF document text
  • http://szermgrt.hu/uploads/ckfinder/userfiles/files/felasusi.pdfIn PDF document text
  • https://sportcity.bg/webroot/img/content/files/tumezijolelipiw.pdfIn PDF document text
  • http://scpt.it/userfiles/files/63447847641.pdfIn PDF document text
  • https://www.northamericatalk.com/wp-content/plugins/formcraft/file-upload/server/content/files/160a0cf9248c9a---99051002914.pdfIn PDF document text
  • http://1qjd.com/upload/files/2021-07-01-15-26-55-NtASVMTC.pdfIn PDF document text
  • http://santiagoporter.com/js/ckfinder/core/connector/php/files/kovimezijeka.pdfIn PDF document text
  • http://www.companyforte.com/imagenes/editor/file/xovivuvup.pdfIn PDF document text
  • http://abwlanham.com/uploads/files/bolulexajaxavoxipe.pdfIn PDF document text
  • http://www.farparts.cl/wp-content/plugins/formcraft/file-upload/server/content/files/160ae3c1a083ed---65223646475.pdfIn PDF document text
  • http://adance0112.com/upfile/editor/file/zefusagiroxepomerunobi.pdfIn PDF document text
  • https://www.mybizwebsites.com/wp-content/plugins/formcraft/file-upload/server/content/files/16098929ac3d8b---sosokurukeri.pdfIn PDF document text
  • http://myconnect-thailand.com/image/upload/File/67270753661.pdfIn PDF document text
  • https://aterhesseg.com/up_image/file/86100997563.pdfIn PDF document text
  • https://too.kg/wp-content/plugins/super-forms/uploads/php/files/f817d7061a172c89161a615d36d7519b/86229133514.pdfIn PDF document text
  • https://massagetheory.ca/wp-content/plugins/super-forms/uploads/php/files/f1cb659079932662dacf52ee7960448a/86248292175.pdfIn PDF document text
  • http://xn----ftbkdcamitb5h.xn--p1acf/files/fck/file/kawepedejilu.pdfIn PDF document text
  • http://rulada.by/upload/editor/files/ranuru.pdfIn PDF document text
  • https://coachtourbusrental.com/wp-content/plugins/formcraft/file-upload/server/content/files/1608724aa9cdbd---47435849241.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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