Malicious PDF — malware analysis report

Heuristics 8

• 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
• Clickable URI points to raw IP address medium PDF_URI_IP_LITERAL
  PDF contains a clickable HTTP(S) action whose host is a literal IPv4 address. Legitimate documents normally link to named domains; raw-IP destinations are common in disposable phishing and malware-delivery infrastructure.
• 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.
• Cloud document impersonation lure medium SE_CLOUD_DOC_LURE
  Document impersonates a cloud file-sharing service such as SharePoint, OneDrive, Google Drive, Dropbox, Box, or Microsoft 365 and asks the user to open, verify, or access a shared document
• 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://pistant.ru/uplcv?utm_term=nitro+pdf+64+bit+full+crack PDF link annotation

  • http://kennyre.com/wp-content/plugins/formcraft/file-upload/server/content/files/1609cd35ec768d---ketabitogan.pdfIn PDF document text
  • https://sportuna.be/ckfinder/userfiles/files/84025764574.pdfIn PDF document text
  • http://esejsc.com/upload/files/23098198882.pdfIn PDF document text
  • https://www.chauffeur-prive-nice.fr/wp-content/plugins/formcraft/file-upload/server/content/files/1608201307525e---renidowozefujufaruzurakit.pdfIn PDF document text
  • http://healingpawswisconsin.org/clients/a/a9/a991db820639e3552774ed9a746c1e3b/File/48959639809.pdfIn PDF document text
  • http://csim.jp/ckeditor/uploads/files/72143521045.pdfIn PDF document text
  • http://sostrevalli.it/userfiles/files/jevexizat.pdfIn PDF document text
  • https://www.gs-gleichmann.de/wp-content/plugins/formcraft/file-upload/server/content/files/1607895c3b6a73---39159830597.pdfIn PDF document text
  • http://wignaccent.com/FCKeditor_2.6.3/userimages/file/20210725164818.pdfIn PDF document text
  • http://schodylux.pl/userfiles/file/34113217767.pdfIn PDF document text
  • http://ballstonfamilymedicine.com/clients/861402/File/50872720893.pdfIn PDF document text
  • https://mygamedaysports.com/wp-content/plugins/super-forms/uploads/php/files/04b9de1b49ad6b9412b0f61909d7fa38/zijebidolejarol.pdfIn PDF document text
  • https://www.mercato.co.za/wp-content/plugins/formcraft/file-upload/server/content/files/1607ed15d54160---furazabu.pdfIn PDF document text
  • http://ambvet-trefontane.eu/userfiles/files/vagezumowisufusudakumep.pdfIn PDF document text
  • http://www.tsssport.com/wp-content/plugins/formcraft/file-upload/server/content/files/1606cf03f39ab8---visavofoxuxetakibik.pdfIn PDF document text
  • https://orkhaconstruction.com/wp-content/plugins/super-forms/uploads/php/files/o2hrochek45k72n8sai32cn4o6/32683658849.pdfIn PDF document text
  • http://gennarimaq.com.br/wp-content/plugins/formcraft/file-upload/server/content/files/160cabda3816b0---mubug.pdfIn PDF document text
  • https://vresponse.net/userfiles/file/84565806713.pdfIn PDF document text
  • https://orangcar.com/app/webroot/upload/files/gutowawuwoda.pdfIn PDF document text
  • http://110.78.114.242/ckfinder/userfiles/files/28927121186.pdfPDF link annotation
  • https://alkirbilaw.com/userfiles/files/34915387244.pdfIn PDF document text
  • http://brainbond.ro/userfiles/file/16083167482.pdfIn PDF document text
  • https://mfdesign.hu/files/file/80743946153.pdfIn PDF document text
  • http://urgentcarepb.net/userfiles/file/buwabeli.pdfIn PDF document text
  • http://transfertrolley.cn/d/files/tujewatupomejob.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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