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 to algorithmically-generated URL high PDF_RANDOM_URL_LINK
  PDF contains a clickable HTTP(S) link whose host looks algorithmically generated (pronounceable-random labels) and whose path/query carries a long high-entropy token. This is the randomized-redirector pattern of malspam phishing lures — the visible document is only a prompt — not a PDF parser vulnerability.
• 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
• 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 http://firesecurity.sk/userfiles/file/23968554734.pdf In PDF document text

  • https://vaytieudungtragop.com.vn/wp-content/plugins/super-forms/uploads/php/files/6igtkuco3jb080o2ltgg3klmfl/69969549713.pdfIn PDF document text
  • http://www.holzbau-hoelzl.at/wp-content/plugins/formcraft/file-upload/server/content/files/1606da566dbaef---3479056994.pdfIn PDF document text
  • http://pekingtogo.com/uploads/files/lenaxulube.pdfIn PDF document text
  • https://amatnieks.com/pictures/image/80600877795.pdfIn PDF document text
  • http://aucontecnologia.com/userfiles/files/widixabiwuruliwameri.pdfIn PDF document text
  • https://northstarexecutivesearch.com/wp-content/plugins/super-forms/uploads/php/files/b2fc31a7e594a8ea3ba92f389af2bac7/6483244159.pdfIn PDF document text
  • http://www.sunarnuricomuisvealisverismerkezi.com/wp-content/plugins/super-forms/uploads/php/files/dr8oq1vlq61f4ao57eaeq0pe90/52053439479.pdfIn PDF document text
  • https://irisapp.cn/uploadfiles/fckeditor/20210515/file/16210513019168.pdfIn PDF document text
  • https://dm288.com/slicice/file/begozafusijoxukusev.pdfIn PDF document text
  • http://evolution-dev.com/file_media/file_image/file/wulamomuwadusupedasadeja.pdfIn PDF document text
  • http://musclecar-taps.com/js/upload/files/tegetolose.pdfIn PDF document text
  • http://www.barankayalar.com.tr/wp-content/plugins/formcraft/file-upload/server/content/files/160c38983acaad---wosikutavolemes.pdfIn PDF document text
  • http://trainternational.in/wp-content/plugins/formcraft/file-upload/server/content/files/16072f22722da6---badarunotijowokepadilejo.pdfIn PDF document text
  • http://rilta.net/userfiles/files/watisodivumababew.pdfIn PDF document text
  • https://www.harnoordesigns.com/wp-content/plugins/super-forms/uploads/php/files/o4hsoelg1dnn3n8e6pt5lkuam5/raxinapuwo.pdfIn PDF document text
  • http://bilagroup.com/wp-content/plugins/formcraft/file-upload/server/content/files/1608f1dd909a46---kepubasonabasojidug.pdfIn PDF document text
  • https://fivetc.net/uploads/files/99355774208.pdfIn PDF document text
  • http://www.fsnn.se/wp-content/plugins/formcraft/file-upload/server/content/files/161134724c03d6---laxiwosif.pdfIn PDF document text
  • http://monkey-do.net/userfiles/file/nutepifo.pdfIn PDF document text
  • http://english-life.ru/wp-content/plugins/formcraft/file-upload/server/content/files/1606fe1453c289---burobajabalowijo.pdfIn PDF document text
  • http://aodaiminhhanh.com/app/webroot/uploads/files/xososa.pdfIn PDF document text
  • https://mzr-avocats.com/buddha/ckfinder/userfiles/files/teviz.pdfIn PDF document text
  • https://weinquartier.at/wp-content/plugins/super-forms/uploads/php/files/2fd11c0ed9b6714be23a6174bff5b2e6/paboviwebep.pdfIn PDF document text
  • http://veronicanealhome.com/wp-content/plugins/formcraft/file-upload/server/content/files/2/161086e7a570c5---46032760641.pdfIn PDF document text
  • https://feedproxy.google.com/~r/1eyvgo/aqOO/~3/BkSY9tpko7c/uplcv?utm_term=poultry+farming+pdf+in+urduPDF link annotation
  • http://dejavu.sourceforge.netIn PDF document text
  • http://dejavu.sourceforge.net/wiki/index.php/LicenseIn PDF document text

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