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
• Password-protected archive handoff high SE_PASSWORD_ARCHIVE_LURE
  Document gives password instructions for an archive or attachment — often used to keep payloads encrypted until after gateway scanning
• 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.
• 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=pdf+password+cracker PDF link annotation

  • http://ctcinsulator.com/uploads/file/64041017843.pdfIn PDF document text
  • https://sthouseluxury.com/upload/files/67472861954.pdfIn PDF document text
  • https://portsidestrategies.com/wp-content/plugins/super-forms/uploads/php/files/bb63a19a95bf5e1be30ee2723e94a0db/60602915037.pdfIn PDF document text
  • http://studiosantomauro.it/userfiles/files/79706213647.pdfIn PDF document text
  • http://www.its-dph.cz/admin/fckeditor/editor/userfiles/file/31899155807.pdfIn PDF document text
  • https://terracetemayonetim.com/upload/ckfinder/files/43778793676.pdfIn PDF document text
  • http://kanizsakran.hu/userfiles/file/zefoliwoxibad.pdfIn PDF document text
  • http://suportti.com/wp-content/plugins/formcraft/file-upload/server/content/files/1613112775ec2f---90708153984.pdfIn PDF document text
  • http://bmcnx.com/userfiles/file/39197970855.pdfIn PDF document text
  • http://pvvc.cz/files/12984910513.pdfIn PDF document text
  • https://www.popcaffe.it/wp-content/plugins/super-forms/uploads/php/files/dfdc02833184afc1b97a2206610ce430/91348211978.pdfIn PDF document text
  • http://thy-environment.com/userfiles/files/96714881961.pdfIn PDF document text
  • http://biosurfest.com/userfiles/files/dupitasukusatedubamixobo.pdfIn PDF document text
  • https://slavica.ru/wp-content/plugins/super-forms/uploads/php/files/290a36e554c6d4ccd529814e3a1c9e94/89386783547.pdfIn PDF document text
  • http://giasudaihocsupham.com/Images_upload/files/vorizirojike.pdfIn PDF document text
  • http://astmasme.com/userData/board/file/litopavizutilidupewo.pdfIn PDF document text
  • https://mercedesmazo.es/wp-content/plugins/formcraft/file-upload/server/content/files/1613ba85fb5863---senogesubowa.pdfIn PDF document text
  • https://www.reparaciondebomba.com.ar/wp-content/plugins/super-forms/uploads/php/files/gvb424cbln5sq5bof2kppp8r72/fefuvuferafom.pdfIn PDF document text
  • https://hamasataccessories.com/userfiles/files/sibumikifonokes.pdfIn PDF document text
  • http://jiin-torng.com/uploadfiles/20210905184509.pdfIn PDF document text
  • https://digbijoynath.in/uploads/userfiles/files/pizulabarugage.pdfIn PDF document text
  • http://alfonsoguiggiarchitetto.it/userfiles/files/kedonazuletirosafo.pdfIn PDF document text
  • http://xn--eyt274i.com/upload/files/zewibawanuberuvaxilawajo.pdfIn PDF document text
  • http://unipell.com.br/wp-content/plugins/formcraft/file-upload/server/content/files/1613271743080e---kajexodoravix.pdfIn PDF document text
  • https://2winit.com/Files/files/554778092.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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