Malicious PDF — malware analysis report

Static analysis result for SHA-256 c366ac3ff0153b93…

MALICIOUS

PDF

35.1 KB Authoring application: PDF Studio
MD5: a8e9952d9a8878c55ff4a24a8c613759 SHA-1: d6bc033feee448d60d17ba6aa4398d1813ce4aa8 SHA-256: c366ac3ff0153b93b034875ea280d488c65ae83d5f28a66a5011067de624d365
92 Risk Score

Malware Insights

MITRE ATT&CK
T1059.001 PowerShell

The file is a PDF document identified as malicious by ML classifiers and ClamAV, specifically flagged as Pdf.Phishing.TtraffRobotInstall. It contains multiple embedded URLs that likely lead to further malicious content or phishing pages. The document body is heavily obfuscated, preventing a clear understanding of its specific lure, but the presence of external URIs strongly suggests a phishing or malware distribution attempt.

Machine Learning

  • Nyx PDF Classifier malicious score 0.9994

Heuristics 3

  • ClamAV: Pdf.Phishing.TtraffRobotInstall-7605656-0 critical CLAMAV_DETECTION
    ClamAV detected this file as malware: Pdf.Phishing.TtraffRobotInstall-7605656-0
  • 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 http://nolo.satellit55.ru/uploads/2020/01/28/865c6009905b759.pdf
    • http://spottedmoth.com/uploads/1/3/0/4/130436197/tubuvenejapuvofap.pdf
    • http://lacanadalimo.com/uploads/1/3/0/6/130640235/d1735c6.pdf
    • http://mitco-solutions.com/uploads/1/3/0/7/130775622/130775622.html#shaandaar+movie++hd

Extracted artifacts 1

Files carved from inside the sample during analysis.

FilenameKindSourceSize
font_00_sfnt_off00001216.bin
6cf5dcce58e5cb47ad63b988178a098a0c529fd95a8e6461f0ddd5e91e8780ff		 pdf-font-stream PDF embedded font (sfnt) at offset 0x1216 11116 bytes

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