PDF malware analysis — malicious · 051e5c82274769b3

MALICIOUS

PDF

3.3 KB

MD5: 71402b6c199147065dc8c318c3d71d38 SHA-1: a0746e6c7b3197f258cdfc5f01a25aea520d0987 SHA-256: 051e5c82274769b355794180e6d0ebbb0b89ebed564a4d643836dae90cf34db1

106 Risk Score

Malware Insights

MITRE ATT&CK

T1059.007 JavaScript T1203 Exploitation for Client Execution T1566.001 Spearphishing Attachment

The PDF file contains embedded JavaScript that is triggered by the 'Pdf.Exploit.Agent-36121' detection. The JavaScript appears to deobfuscate a string and then execute it, which is a common technique for downloading and executing further malicious content. The ML classifier also strongly indicates maliciousness.

Machine Learning

Nyx PDF Classifier malicious score 0.9999

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.

Filename	Kind	Source	Size
`javascript_obj0007_000.js` `b1a2eae25c926e432ca66843dbbd0034f4ac9e7a2fe71d907a3adeb5f3cdd8dd`	pdf-javascript-stream	PDF /JS object 7 at offset 0xA87	323 bytes

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