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.
• 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.
• 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 https://www.propertyfilevault.com/wp-content/plugins/super-forms/uploads/php/files/877ad7b8fee13a130d19e233a2c0c768/29635879856.pdf In PDF document text

  • https://www.criteriainvest.com.br/wp-content/plugins/super-forms/uploads/php/files/n4j6t5ph5qn97k38s8n00cji76/23084996447.pdfIn PDF document text
  • https://phunhai.net/upload/files/6945229248.pdfIn PDF document text
  • https://www.siemers-deutschmann.de/wp-content/plugins/super-forms/uploads/php/files/o6thiv6n0h2ft9cj48g6i26mtg/witekigesidavureliwimodux.pdfIn PDF document text
  • http://csc-0898.com/userfiles/file/20210719041945_5vpvkj.pdfIn PDF document text
  • http://thaimassagemodel.com/ckfinder/userfiles/files/86795702121.pdfIn PDF document text
  • http://czdashan.cn/uploadfile/file/2021051223515473499.pdfIn PDF document text
  • https://www.rogierstoel.nl/wp-content/plugins/super-forms/uploads/php/files/bb82p9f9gc1s3b9ottspl1jihb/jilesedesadozosapetok.pdfIn PDF document text
  • http://alarcon-v.com/editor_upload_image/file/55737211917.pdfIn PDF document text
  • https://amalighting.com/wp-content/plugins/super-forms/uploads/php/files/2235326e8915fbd179d52e40eeb19976/49943712514.pdfIn PDF document text
  • https://bindazzled.com.au/wp-content/plugins/super-forms/uploads/php/files/064efd7dda662e845af3c206347d9031/36988581256.pdfIn PDF document text
  • http://kuresi-kaitori.com/upload/content_pic/files/60592787101.pdfIn PDF document text
  • https://www.grandeprairie.org/wp-content/plugins/formcraft/file-upload/server/content/files/160aebfcd73779---89351193316.pdfIn PDF document text
  • https://dienlanhhonganh.com/images/pic/file/34377096447.pdfIn PDF document text
  • http://tomei4x4.jp/js/upload/files/13154296582.pdfIn PDF document text
  • http://www.jamesbgriffinlaw.com/wp-content/plugins/formcraft/file-upload/server/content/files/1608d5bb432cbc---33015946207.pdfIn PDF document text
  • http://wagnerpc.com/userfiles/files/dajejojelipofupe.pdfIn PDF document text
  • http://jongauger.com/ckfinder/userfiles/files/62821224317.pdfIn PDF document text
  • http://www.myhhsi.com/wp-content/plugins/super-forms/uploads/php/files/d4441592a547c414bd4e2ec492cb0fd7/bomelupuperumutufotex.pdfIn PDF document text
  • http://fairway.cc/images/blog//file/97098857242.pdfIn PDF document text
  • http://alfadent-volg.ru/images_uploads/files/24546154220.pdfIn PDF document text
  • http://northcity.rs/slike/files/99022212228.pdfIn PDF document text
  • http://vilniausgreziniai.lt/userfiles/file/52466160756.pdfIn PDF document text
  • https://cremeconferences.com/wp-content/plugins/super-forms/uploads/php/files/ab50d6987c068fc35455fe9c467a4db0/8501061851.pdfIn PDF document text
  • https://feedproxy.google.com/~r/Uplcv/~3/LPIa9PGmDLg/uplcv?utm_term=liferay+7+tutorial+pdfPDF 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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