Malicious PDF — malware analysis report

Static analysis result for SHA-256 aba2a90a568e41a3…

MALICIOUS

PDF

203.6 KB Created: 2020-11-14 06:56:34 +02:00 Authoring application: wkhtmltopdf 0.12.5 (via Qt 4.8.7) First seen: 2021-10-14
MD5: 4944d1f5d0090b77a310cc7c94fbefc7 SHA-1: 01fcc115da21d2c7a91feb39b78ea9413f3eeed7 SHA-256: aba2a90a568e41a3661f848ee0f0f127cd7208218177310a18d117f29912c14f
94 Risk Score

Malware Insights

MITRE ATT&CK
T1566.001 Spearphishing Attachment

The file was detected as malicious by ClamAV and an ML classifier, indicating a high likelihood of malicious intent. It contains an embedded URI pointing to 'trafftec.ru', which is likely part of a phishing or malware distribution scheme. The document body, though heavily obfuscated, suggests a lure related to 'Dhaka bangla song', potentially to disguise the malicious nature of the content. No scripts were extracted, but the presence of external URIs and the malware detection strongly suggest an attempt to redirect the user to a malicious site.

Machine Learning

  • Nyx PDF Classifier malicious score 0.5874

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://trafftec.ru/aws?utm_term=dhaka+bangla+song PDF link annotation
    • https://vumorusumanipav.weebly.com/uploads/1/3/4/2/134234742/wajibes.pdfIn PDF document text
    • https://cdn-cms.f-static.net/uploads/4416302/normal_5faeb70b1387e.pdfIn PDF document text
    • https://mumixopid.weebly.com/uploads/1/3/1/8/131872042/3448703.pdfIn PDF document text
    • https://tiposowa.weebly.com/uploads/1/3/1/1/131164246/gotunujapow_jevirefinozig_tedotejifa_zaxazaliwasin.pdfIn PDF document text
    • https://gokipeko.weebly.com/uploads/1/3/4/3/134351508/17623a72.pdfIn PDF document text
    • https://s3.amazonaws.com/dowesitobuga/stoichiometry_problems_worksheet_and_answers.pdfIn PDF document text
    • https://s3.amazonaws.com/varoximu/15145059844.pdfIn PDF document text

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