Malicious PDF — malware analysis report

Static analysis result for SHA-256 48b9b30af94bc38a…

MALICIOUS

PDF

10.3 KB
MD5: 5adea8bc9de632004b69ec832cee11bc SHA-1: a4150b6d054541a6d1b1889045454551a388bbb9 SHA-256: 48b9b30af94bc38ae9eff481d11d7789c0b486a07a03cdc384057adc15cf0eb0
76 Risk Score

Malware Insights

MITRE ATT&CK
T1059.001 PowerShell T1204.002 Malicious File

The critical ClamAV heuristic identified the file as 'Pdf.Dropper.Agent-1551397', indicating it functions as a dropper. Low-severity heuristics confirm the presence of JavaScript within the PDF, which is a common technique for executing malicious code. The embedded JavaScript stream is likely responsible for downloading and executing a second-stage payload, although its specific actions are not detailed in the provided evidence.

Heuristics 3

  • ClamAV: Pdf.Dropper.Agent-1551397 critical CLAMAV_DETECTION
    ClamAV detected this file as malware: Pdf.Dropper.Agent-1551397
  • JavaScript action low PDF_JAVASCRIPT
    PDF contains a /JavaScript action. Generic JavaScript is common in benign forms; specific dangerous APIs are scored by separate rules.
  • Embedded JS stream low PDF_JS
    PDF references a /JS stream. Generic JavaScript is common in benign forms; specific dangerous APIs are scored by separate rules.

Extracted artifacts 1

Files carved from inside the sample during analysis.

FilenameKindSourceSize
javascript_obj0035_000.js
2bf3c20609697d7e7071c490cc3965af6f2da1e09b9696490d889a0eb22c044b		 pdf-javascript-stream PDF /JS object 35 at offset 0x17E 22436 bytes

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