PDF malware analysis — malicious · 34962dce032d58fa

MALICIOUS

PDF

8.0 KB

MD5: 50c1623547b1b6a8c1793cb755a7a667 SHA-1: 8bba5a601a20466ba39a880a7171ecea5d75e287 SHA-256: 34962dce032d58fa415f55dc6af9dc550658cc63055c449d32bf974ac8c68371

84 Risk Score

Malware Insights

MITRE ATT&CK

T1059.001 PowerShell T1204.002 Malicious File

The critical ClamAV heuristic indicates this PDF is malicious, specifically identified as Pdf.Exploit.Agent-36063. Low-severity heuristics confirm the presence of embedded JavaScript and PDF-specific exploit primitives. The embedded JavaScript, although large, is likely responsible for the exploit execution, potentially downloading a second-stage payload.

Heuristics 4

ClamAV: Pdf.Exploit.Agent-36063 critical CLAMAV_DETECTION

ClamAV detected this file as malware: Pdf.Exploit.Agent-36063
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.
syncAnnotScan annotation-staging primitive low PDF_FOXIT_SYNCANNOTSCAN

PDF JavaScript calls syncAnnotScan() — a no-op annotation-enumeration primitive used by exploit-kit JavaScript to stage payload reads from annotation /Subject fields before eval(). Not a vulnerable sink itself; rarely seen in legitimate PDFs. (matched in decompressed stream)

Extracted artifacts 2

Files carved from inside the sample during analysis.

Filename	Kind	Source	Size
`stream_000_off000001d2.js` `eb39e2de4dbbc100de6d3e30aa43ff78fa075618862ba1ebba5151ea3a3b848d`	decompressed-pdf-stream	PDF FlateDecoded stream at offset 0x1D2	273 bytes
`deobfuscated.js` `c7585cb02dbca5231a1f21986ed6441c700bb0f5219f7f5948485ee42e1e48c0`	deobfuscated-js	PDF JavaScript deobfuscation pass	24307 bytes

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