Malicious PDF — malware analysis report

Static analysis result for SHA-256 eebe7afb92f44fed…

MALICIOUS

PDF

58.1 KB Created: 2021-06-24 09:59:42 +03:00 Authoring application: wkhtmltopdf 0.12.5 (via Qt 4.8.7) First seen: 2021-10-24
MD5: a4f52e45544e470ed6ccb28a702871c6 SHA-1: 572e27b7899f59d4298b8a3d9d86fd51cfcd1bcc SHA-256: eebe7afb92f44fed845872002f0c808f7de2c21a08e2591aac946b2bf99269f1
154 Risk Score

Malware Insights

MITRE ATT&CK
T1566.001 Spearphishing Attachment

The PDF file contains numerous links to external websites, many of which appear to be hosted on compromised WordPress installations or disposable domains. The 'business plan format example pdf' in the document body and URL suggests a lure to trick users into clicking these links. The ML classifier and ClamAV detection strongly indicate malicious intent, likely phishing or redirection to malware.

Machine Learning

  • Nyx PDF Classifier malicious score 0.6917

Heuristics 5

  • 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.
  • 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 https://queure.ru/uplcv?utm_term=business+plan+format+example+pdf PDF link annotation
    • http://korean-school.hu/hangul/userfiles/file/69258752968.pdfIn PDF document text
    • http://iideree.org/wp-content/plugins/formcraft/file-upload/server/content/files/160961d6be2869---24870154945.pdfIn PDF document text
    • http://www.timtransportes.com/home/wp-content/plugins/formcraft/file-upload/server/content/files/16072fe9d59bd2---55880578958.pdfIn PDF document text
    • https://michaels-limo.com/wp-content/plugins/formcraft/file-upload/server/content/files/16086c701cf97c---28853048588.pdfIn PDF document text
    • http://em-mould.com/ckfinder/userfiles/files/pivevefebolidibajab.pdfIn PDF document text
    • http://greenbrier101.com/userimages/1497695191.pdfIn PDF document text
    • http://broadmoor79.com/clients/864886/File/59714260207.pdfIn PDF document text
    • https://cullinanconstruction.com/wp-content/plugins/super-forms/uploads/php/files/tnhvs4l2eh9hcpqufaksaoqbb5/sokubolaveb.pdfIn PDF document text
    • https://truck-diagnostic.ru/wp-content/plugins/super-forms/uploads/php/files/bc8642923e3f7ad24368988776fdf6ca/kudofenim.pdfIn PDF document text
    • http://elturo.ru/img/upload/files/wamir.pdfIn PDF document text
    • http://middlegeorgiacoinclub.com/wp-content/plugins/formcraft/file-upload/server/content/files/1608803845e6ad---19003210857.pdfIn PDF document text
    • https://truck-diagnostic.ru/wp-content/plugins/super-forms/uploads/php/files/82c99324e9fb93feed4165dc9a1c737e/34552356205.pdfIn PDF document text
    • http://carsongrad75.com/clients/3/35/35717660c32d3dd9b0ffde8f33a19d23/File/josetufisuzu.pdfIn PDF document text
    • https://amezdigital.com/wp-content/plugins/super-forms/uploads/php/files/7c7c3ecef4f6cac1244b5fd4a9cd02f6/zuwolipekatelug.pdfIn PDF document text
    • http://la-roofers.co.uk/wp-content/plugins/formcraft/file-upload/server/content/files/16076f5e946e2e---zuminusaxif.pdfIn PDF document text

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