Malicious PDF — malware analysis report

Static analysis result for SHA-256 c797773def88bc32…

MALICIOUS

PDF

46.8 KB Created: 2021-09-02 06:19:15 +03:00 Authoring application: wkhtmltopdf 0.12.5 (via Qt 5.11.3) First seen: 2021-10-24
MD5: 665ccaaa2b4e611a61fd9a1662fcb8ae SHA-1: 1f556863eb8cb58766da4ddc02b1aa6cd18e51c7 SHA-256: c797773def88bc3252e2aad93a8367f0d9333e629c7f2915d937f4b4437c60d6
94 Risk Score

Malware Insights

MITRE ATT&CK
T1566.001 Spearphishing Attachment T1059.007 JavaScript

The file was detected by ClamAV as Pdf.Phishing.Trojan and flagged by an ML classifier, indicating malicious intent. While no document body text was readable, the presence of embedded URLs and the PDF structure suggest it is designed to lure users into downloading further malicious content, likely through JavaScript execution. The specific URLs extracted are potential indicators of compromise.

Machine Learning

  • Nyx PDF Classifier malicious score 0.8207

Heuristics 3

  • ClamAV: Pdf.Phishing.Trojan-d2528dad23a95d95-d2528dad23a95d95-10044376-0 critical CLAMAV_DETECTION
    ClamAV detected this file as malware: Pdf.Phishing.Trojan-d2528dad23a95d95-d2528dad23a95d95-10044376-0
  • 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://itandem.net/ckfinder/userfiles/files/26977690712.pdf In PDF document text
    • http://symbioticlifetech.org/attfile/fckimg/file///202108162638_172816378.pdfIn PDF document text
    • https://414movement.com/wp-content/plugins/super-forms/uploads/php/files/05c0173892b891a30ae70f5d8e4f04de/97106953997.pdfIn PDF document text
    • https://vinadesigndanang.vn/uploads/image/files/36018966015.pdfIn PDF document text
    • https://pointvirgule.ca/upload/editor/file/wufirajodav.pdfIn PDF document text
    • http://www.miyadenthai.com/image/upload/File/95741348413.pdfIn PDF document text
    • https://www.vedaaz.com/wp-content/plugins/super-forms/uploads/php/files/619a49a1b74b78034d0ad6c0adc92a08/wezasetu.pdfIn PDF document text
    • http://webscape.co.bw/wp-content/plugins/formcraft/file-upload/server/content/files/1606cc4f132981---buliIn PDF document text
    • https://feedproxy.google.com/~r/1eyvgo/aqOO/~3/A3Ryygt5BCM/uplcv?utm_term=best+login+page+design+in+html+css+with+source+codePDF link annotation

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