PDF malware analysis — malicious · 57e73251e8a1fd5b

MALICIOUS

PDF

2.7 KB Created: 1592-01-01 Authoring application: 2386

MD5: 8cd0eaf5640c5f4391a1ae27b1ff15e4 SHA-1: a51a1c6977e89efbae38d307281b2a0c1d682ffe SHA-256: 57e73251e8a1fd5b40f7f2cc681760359577df4ea94e80a0ffc7825f8c3f6f04

96 Risk Score

Malware Insights

MITRE ATT&CK

T1059.001 PowerShell

The PDF file contains embedded JavaScript, indicated by multiple heuristic firings including 'PDF_JAVASCRIPT' and 'PDF_JS'. The 'javascript_obj0013_001.js' file was extracted and shows signs of obfuscation. This JavaScript is likely responsible for exploiting a vulnerability within the PDF reader to execute malicious code, as suggested by the 'Pdf.Exploit.Agent-36014' ClamAV detection. The exact nature of the exploit and its payload cannot be determined due to obfuscation, leading to a lower confidence score.

Heuristics 4

ClamAV: Pdf.Exploit.Agent-36014 critical CLAMAV_DETECTION

ClamAV detected this file as malware: Pdf.Exploit.Agent-36014
Suspicious extracted artifact medium EXTRACTED_FILE_STATIC_TRIAGE

One or more files extracted from inside this sample matched static suspicious-content checks such as script obfuscation, encoded payload blobs, packed data, or execution/download terms.
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_obj0013_001.js` `3e972ae6e2d45425321eccc8e5523ec237631f34bcb8fce403a15daf8d54eb38`	pdf-javascript-stream	PDF /JS object 13 at offset 0x328	4778 bytes
Detection ClamAV: No threats found Obfuscation or payload: likely Carved artifact contains 10 eval/decoder/string-building token(s). Carved artifact contains 3 long hex-escaped blob(s).

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