Malicious PDF — malware analysis report

Static analysis result for SHA-256 e0d139e8159a0ae9…

MALICIOUS

PDF

36.6 KB Created: 2021-06-25 01:00:02 +03:00 Authoring application: wkhtmltopdf 0.12.5 (via Qt 4.8.7) First seen: 2021-09-15
MD5: b30d2c623274cb12b36311cf2f4e4353 SHA-1: c9e5da84e0da0976201740da4948e65dff74cb88 SHA-256: e0d139e8159a0ae9ab3b585090c2dc616e810db54dbb0876e6429622308e7bc8
114 Risk Score

Malware Insights

MITRE ATT&CK
T1566.001 Spearphishing Attachment T1204.001 User Execution: Malicious Link

The PDF is identified as a phishing lure due to its image-only nature and embedded clickable action. ClamAV and ML classifiers also flagged it as malicious. The document likely attempts to deceive the user into clicking an external link, which is a common tactic for delivering further malicious content or phishing for credentials.

Machine Learning

  • Nyx PDF Classifier malicious score 0.5746

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
  • Image-only document with action trigger (screenshot lure) medium PDF_IMAGE_LURE
    PDF has 1 image(s), only 0 text block(s), carries a click-outward action, and is only 36 KB — typical shape of a phishing lure where a full-page screenshot hides a clickable button that launches or submits to an attacker URL.
  • 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://mg001.cn/upload_fck/file/2021-5-15/20210515114623741464.pdf In PDF document text
    • http://africansafaris-spain.com/FCKeditor/editor/filemanager/connectors/php/connector.php?Command=FileUpload&Type=File&CurrentFolder=%252Ffile/73046232567.pdfIn PDF document text
    • http://www.korayozelguvenlik.com/wp-content/plugins/formcraft/file-uploaIn PDF document text
    • https://feedproxy.google.com/~r/skout/mBVl/~3/A3Ryygt5BCM/uplcv?utm_term=kiralik+ask+english+subtitles+episode+6PDF link annotation

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