Malicious PDF — malware analysis report

Heuristics 7

• 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.
• 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://krisoc.ru/uplcv?utm_term=pdf+to+word+i+love+you PDF link annotation

  • https://mrmobilewebsite.agency/wp-content/plugins/super-forms/uploads/php/files/6e2ddf2552caaa9b5d936b7f2c6ac2de/ruzepigupemuxepib.pdfIn PDF document text
  • https://www.brunosistemi.com/wp-content/plugins/formcraft/file-upload/server/content/files/16097b38c93961---58186204410.pdfIn PDF document text
  • http://akvari-um.ru/userfiles/file/nutepevabu.pdfIn PDF document text
  • https://www.lesson-online.org/wp-content/plugins/super-forms/uploads/php/files/gl2qm1ecvhcp608e4h6ph0kk93/23377826029.pdfIn PDF document text
  • http://jtylek.pl/Upload/file/90783719922.pdfIn PDF document text
  • http://cortabellanews.com/userimages/zijojefalibuzitiroju.pdfIn PDF document text
  • http://www.medicalalliedtraining.com/wp-content/plugins/formcraft/file-upload/server/content/files/160b5ab5183a76---dusukigagisadiguwosanojox.pdfIn PDF document text
  • http://flyingcarpetclementines.com/userfiles/files/76910557036.pdfIn PDF document text
  • http://portaldeaquidauana.com.br/ckfinder/userfiles/files/jevemigilu.pdfIn PDF document text
  • https://otdelkamos.ru/wp-content/plugins/super-forms/uploads/php/files/eb6aa32b5e0256fde9ab672c46635784/26775604885.pdfIn PDF document text
  • https://deewo.de/wp-content/plugins/formcraft/file-upload/server/content/files/160a65812ed749---83054530903.pdfIn PDF document text
  • http://karpatskiles.ru/store/file/xufes.pdfIn PDF document text
  • http://tutek.eu/userfiles/file/xeragezebi.pdfIn PDF document text
  • http://tokyoto.pl/UserFiles/file/80029749462.pdfIn PDF document text
  • https://bilalyapidekorasyon.com/userfiles/file/25862319446.pdfIn PDF document text
  • https://deewo.de/wp-content/plugins/formcraft/file-upload/server/content/files/160c21db8a4cc2---jetexinolipujowoxiz.pdfIn PDF document text
  • https://bio86.net/fichiers/zojanipimika.pdfIn PDF document text
  • https://www.alongsideasia.com/wp-content/plugins/super-forms/uploads/php/files/7d4a31c730e7e773c82b08983237424c/68197585698.pdfIn PDF document text
  • http://xn----8sbpvg0afdbe.xn--p1ai/wp-content/plugins/super-forms/uploads/php/files/7de7n4kp75f0659b9kpncfv9e4/rupasumezototujakoti.pdfIn PDF document text
  • http://training-solutions.ro/wp-content/plugins/formcraft/file-upload/server/content/files/1606f282ea48f4---gasizetepetawoja.pdfIn PDF document text
  • http://www.shipsupply.co.mz/wp-content/plugins/formcraft/file-upload/server/content/files/160b0ed3ce6987---65726264797.pdfIn PDF document text
  • https://carparts-fixture.com/file/file/50135072420.pdfIn PDF document text
  • http://mundori.com/js/ckfinder/userfiles/files/dufelevuxokepediguboruxus.pdfIn PDF document text
  • http://bellezaeimagen.com.mx/wp-content/plugins/formcraft/file-upload/server/content/files/160872e8806852---kulodobix.pdfIn PDF document text
  • https://themis-lex.com/userfiles/files/nenezumunoxib.pdfIn PDF document text
  • https://elitteaccesorios.com/wp-content/plugins/super-forms/uploads/php/files/uqgg9jqhk6v7mjou9fc76norra/nutakifopubifedi.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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