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://nomylo.ru/uplcv?utm_term=assignment+abroad+times+mumbai+newspaper+pdf PDF link annotation

  • https://oklogistic.lv/upload/file/43908777271.pdfIn PDF document text
  • https://functionalmovement.gr/wp-content/plugins/super-forms/uploads/php/files/3f7c130dfe517c7b226e987d7da53ad8/91400998940.pdfIn PDF document text
  • https://brune-schmuckwerk.de/ckfinder/userfiles/files/25009703899.pdfIn PDF document text
  • https://dentalrud.com/userfiles/file/42752991185.pdfIn PDF document text
  • https://www.shamshabaddiocese.org/files/js/ckfinder/userfiles/files/gadudidafum.pdfIn PDF document text
  • http://totoquynhhuong.com/upload/files/pamegagipaw.pdfIn PDF document text
  • http://saothienemb.com/uploads/images/files/44928048784.pdfIn PDF document text
  • http://hocikto.info/userfiles/file/52900830511.pdfIn PDF document text
  • http://swvocal.com/data/se2/file/xipodajosawib.pdfIn PDF document text
  • http://vtaky.sk/media/file/76756186260.pdfIn PDF document text
  • https://winston-woodward.com/wp-content/plugins/super-forms/uploads/php/files/76286cd64a5603e662c0700d2c04c3de/kulazefiwodibuduzez.pdfIn PDF document text
  • https://divinesacredshakti.com/wp-content/plugins/super-forms/uploads/php/files/15d51b02f2a5790a1059f327dd354de8/82824827927.pdfIn PDF document text
  • http://ceroki.com/image/files/41890657573.pdfIn PDF document text
  • http://smartcookieacademy.com/wp-content/plugins/formcraft/file-upload/server/content/files/16094ad514feee---68341363470.pdfIn PDF document text
  • https://www.lipfish.no/wp-content/plugins/formcraft/file-upload/server/content/files/160d99c2fbe19f---76466399864.pdfIn PDF document text
  • http://counterreaction.net/wp-content/plugins/formcraft/file-upload/server/content/files/160970d8e90c16---vaxitepigop.pdfIn PDF document text
  • http://ajivikafinance.com/userfiles/file/nemogawigoverusu.pdfIn PDF document text
  • http://www.naturapreserved.com/wp-content/plugins/formcraft/file-upload/server/content/files/160e7e1ca39b01---delagomax.pdfIn PDF document text
  • http://bawaconstructions.com/editorData/file/28195928660.pdfIn PDF document text
  • https://www.clubmanizales.com.co/wp-content/plugins/formcraft/file-upload/server/content/files/160d9473b49c80---bupotojileboze.pdfIn PDF document text
  • http://dtcguild.org/clients/80367/File/73313352356.pdfIn PDF document text
  • http://granitemountainranch.net/userimages/55550951430.pdfIn PDF document text
  • http://99hospitalitygroup.com/ckfinder/userfiles/files/gakisapuz.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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