Malicious PDF — malware analysis report

Static analysis result for SHA-256 a1c2bb0b806e7bc8…

MALICIOUS

PDF

13.2 KB
MD5: 151dff7ce6c5dbc872aeb9d7a7824b82 SHA-1: f58e1372e7e0a46ac0bb1aa5e91609efdcf4cbce SHA-256: a1c2bb0b806e7bc89d50feaf7f4c1b8760df19c1663ba7c4fd648980ebb42392
150 Risk Score

Malware Insights

MITRE ATT&CK
T1204.002 Malicious File

The file was identified as malicious by a machine learning classifier and ClamAV, which specifically flagged it as 'Pdf.Dropper.Agent-7566193-0'. Furthermore, an extracted artifact was also detected by ClamAV as 'Win.Exploit.Jailbreak-1', indicating the PDF likely exploits a vulnerability to drop or execute another malicious component. The document body content is heavily obfuscated and does not provide clear user-facing lures.

Machine Learning

  • Nyx PDF Classifier malicious score 0.8633

Heuristics 2

  • ClamAV: Pdf.Dropper.Agent-7566193-0 critical CLAMAV_DETECTION
    ClamAV detected this file as malware: Pdf.Dropper.Agent-7566193-0
  • ClamAV detection on extracted artifact critical EXTRACTED_FILE_CLAMAV
    ClamAV flagged at least one file extracted from inside this sample. Even when the wrapping document carries no AV detection of its own, a hit on the carved artifact is a strong indicator the sample is a delivery vehicle.

Extracted artifacts 1

Files carved from inside the sample during analysis.

FilenameKindSourceSize
font_00_cff_off00000458.bin
6ad4f6c3d6a862462a46e2ad04f079bd77f062a6f8d42d1120323f782a763c6b		 pdf-font-stream PDF embedded font (cff) at offset 0x458 40077 bytes
Detection
ClamAV: Win.Exploit.Jailbreak-1
Obfuscation or payload: unlikely

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