Malicious PDF — malware analysis report

Static analysis result for SHA-256 160e2cd6605f0b5d…

MALICIOUS

PDF

54.3 KB Created: 2021-05-29 01:25:15 +03:00 Authoring application: wkhtmltopdf 0.12.5 (via Qt 4.8.7)
MD5: c7df6791cee3dd3790292c2804564d7f SHA-1: f3fc62224da194576b71adfb4792e4a087a97c7f SHA-256: 160e2cd6605f0b5d3ff0b6133859680501b4c8489b990c37bdeace8b8ed381f6
124 Risk Score

Malware Insights

MITRE ATT&CK
T1566.001 Spearphishing Attachment

The PDF contains embedded links pointing to compromised WordPress upload storage, suggesting it is part of a phishing campaign to distribute further malware. The ClamAV detection and ML classifier strongly indicate malicious intent. The document body, though heavily obfuscated, appears to be a lure related to "boat license quiz answers".

Machine Learning

  • Nyx PDF Classifier malicious score 0.7300

Heuristics 4

  • 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.
  • 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://nobleanimalsanctuary.org/wp-content/plugins/super-forms/uploads/php/files/tmp/wanelakofufibinelananaduj.pdf
    • http://e-pisanie-prac.pl/famprojekt_z_serwera/images/file/depovemozaminotizeg.pdf
    • http://www.jhannahs.com/wp-content/plugins/formcraft/file-upload/server/content/files/1607a143128ec7---vosuw.pdf
    • https://goldengrowers.com/wp-content/plugins/super-forms/uploads/php/files/92d88a6c0ddb41ad61e86ea691bf4946/tanifup.pdf
    • https://www.lightingsolutionsal.com/wp-content/plugins/super-forms/uploads/php/files/4b46d8541c52a9842e51c5a324224a17/35049735094.pdf
    • https://szabobuszrendeles.hu/files/files/72799594711.pdf
    • http://www.sunarsurdurulebilir.com/wp-content/plugins/super-forms/uploads/php/files/iuvle195f7hd614e99f8kpdrt2/35438792338.pdf
    • https://kodeac.com/wp-content/plugins/super-forms/uploads/php/files/07od79kjbos5v6mbhhdc0pvnac/zixubagatuvamidedotopoj.pdf
    • http://sun-eko.eu/files/file/65749546476.pdf
    • http://www.deadclan.nl/wp-content/plugins/formcraft/file-upload/server/content/files/16071dd6837888---koxoxarufajutazufipe.pdf
    • http://elenasteele.com/wp-content/plugins/formcraft/file-upload/server/content/files/1607d6ab57f54f---xolufepup.pdf
    • https://mymovingestimate.com/wp-content/plugins/super-forms/uploads/php/files/462ecbf6d906a1681554066cb57b12ec/nababofezowezut.pdf
    • http://yuha.be/_files/file/9570776291.pdf
    • http://www.advancedevents.ro/wp-content/plugins/formcraft/file-upload/server/content/files/1609c997c76622---89340465516.pdf
    • https://www.hagensmarketing.com/wp-content/plugins/formcraft/file-upload/server/content/files/160a8131543b3a---18813352242.pdf
    • https://tamtam.com.ua/wp-content/plugins/super-forms/uploads/php/files/8e53510cfb0f56c0fd9e625a6946c6e4/retifi.pdf
    • https://feedproxy.google.com/~r/1eyvgo/aqOO/~3/BkSY9tpko7c/uplcv?utm_term=boat+license+quiz+answers+nsw

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