Malicious PDF — malware analysis report

Static analysis result for SHA-256 3d373a16034652eb…

MALICIOUS

PDF

36.7 KB Created: 2021-03-26 08:10:01 +02:00 Authoring application: wkhtmltopdf 0.12.5 (via Qt 4.8.7)
MD5: 45111662f6b5e33ed5611f57071c8f5d SHA-1: 2ada1c18a4dafc99c3196bdd8180f5f70805e8a9 SHA-256: 3d373a16034652eb57a450c6091e3ae0b31b08e01f9977127534ddb3494de857
114 Risk Score

Malware Insights

MITRE ATT&CK
T1566.001 Spearphishing Attachment

The PDF is an image-only document designed as a lure, containing a clickable link to a suspicious URL. ClamAV and ML classifiers also flagged this file as malicious, indicating a phishing attempt. No scripts were extracted, but the embedded URI is the primary indicator of malicious intent.

Machine Learning

  • Nyx PDF Classifier malicious score 0.6329

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 https://gimoguvi.ru/award?keyword=ibc+amendment+2020+bill+pdf
    • https://cdn-cms.f-static.net/uploads/4426059/normal_600efccff1e92.pdf
    • http://jikusofare.mywebcommunity.org/split_file_free_software_download.pdf
    • https://s3.amazonaws.com/jidosatikim/part_time_night_shift_jobs_las_vegas.pdf
    • http://newitipalude.rf.gd/aspen_hysys_7._3_tutorial.pdf
    • https://uploads.strikinglycdn.com/files/40da6cf1-8bea-461f-9882-24e9ba960877/kumon_4th_grade_math_worksheets.pdf

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