Malicious PDF — malware analysis report

Static analysis result for SHA-256 bff35adc7f7f2a22…

MALICIOUS

PDF

36.7 KB Created: 2021-03-15 21:31:42 +02:00 Authoring application: wkhtmltopdf 0.12.5 (via Qt 4.8.7) First seen: 2021-09-24
MD5: eaaccd2167f5e6a78c7855747554f433 SHA-1: 9986dd53cc27fa87c27ad0ed1cba646c912ac79b SHA-256: bff35adc7f7f2a2233e8a7b4a698eec1ae92fe6310c200967de3dfca6202f0b5
114 Risk Score

Malware Insights

MITRE ATT&CK
T1566.001 Spearphishing Attachment

This PDF document was flagged as malicious by ClamAV and an ML classifier. The file uses an image-based lure. Specific URLs and indicators for this sample are listed in the indicators section.

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://baarspo.ru/award?keyword=coronary+heart+disease+pdf+download PDF link annotation
    • http://sofebitaxed.iblogger.org/engulfing_candle_indicator_free.pdfIn PDF document text
    • http://vivezotutune.iblogger.org/bridgman_anatomy.pdfIn PDF document text
    • http://barovupaxar.epizy.com/bhu_bsc_agriculture_entrance_exam_question_paper.pdfIn PDF document text
    • http://teboseru.rf.gd/17221149812.pdfIn PDF document text
    • http://logilifi.epizy.com/reporting_and_analytics_manager_resume.pdfIn PDF document text
    • https://5a8aee2d-3d68-4c09-98ed-743c9c56d6fd.filesusr.com/ugd/460efe_df195163410748038a16a7f7e4304949.pdf?index=In PDF document text

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