Malicious PDF — malware analysis report

Static analysis result for SHA-256 ff320e9cf8b13061…

MALICIOUS

PDF

3.2 KB
MD5: 233c8de7bdbddb06c39c4e0fbd8abdd7 SHA-1: c7bcf0af8b9a0ceba3de76deca79e93a7cdb0e1c SHA-256: ff320e9cf8b130613de5395d3a242ceec59d3f6c5dba79a2f982b3ee57ec1c41
76 Risk Score

Malware Insights

MITRE ATT&CK
T1204.002 Malicious File: Malicious File

The PDF file contains embedded JavaScript, indicated by heuristic firings for PDF_JAVASCRIPT and PDF_JS. ClamAV detection as Pdf.Exploit.Agent-36121 further confirms malicious intent. The embedded JavaScript is likely responsible for exploiting a vulnerability within the PDF reader to execute arbitrary code, leading to the detection of a malicious PDF exploit.

Heuristics 3

  • ClamAV: Pdf.Exploit.Agent-36121 critical CLAMAV_DETECTION
    ClamAV detected this file as malware: Pdf.Exploit.Agent-36121
  • 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_obj0007_000.js
870885b030cd591cb5017f31b95e348f214a0385b990de568a19e4fbe87f2330		 pdf-javascript-stream PDF /JS object 7 at offset 0x9CB 448 bytes

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