PDF malware analysis — malicious · a10fed75d2dd3cdd

MALICIOUS

PDF

4.6 KB

MD5: 7d8511ad93a0fe92592578226176f9ce SHA-1: 22fcc4d983ea7307e9d4d1ae3ddc94d3bff64726 SHA-256: a10fed75d2dd3cdd293b69f1c17abb61a1645fcc8576378e45131a361772b598

118 Risk Score

Malware Insights

MITRE ATT&CK

T1204.002 Malicious File: Malicious File

The PDF contains embedded JavaScript, with a critical heuristic firing for eval() calls, indicating obfuscated code execution. The embedded artifact 'javascript_obj0013_001.js' is likely responsible for downloading and executing a secondary payload, as suggested by the ClamAV detection 'Pdf.Dropper.Agent-1828860'. The presence of JavaScript actions and streams within the PDF structure further supports its role as a dropper.

Heuristics 5

ClamAV: Pdf.Dropper.Agent-1828860 critical CLAMAV_DETECTION

ClamAV detected this file as malware: Pdf.Dropper.Agent-1828860
eval() call high PDF_EVAL

eval() found — commonly used for obfuscated exploit execution (matched inside decoded stream)
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.
Suspicious extracted artifact info 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.

Extracted artifacts 2

Files carved from inside the sample during analysis.

Filename	Kind	Source	Size
`javascript_obj0001_000.js` `0738f7fa3fd657fbef1592b345fb3337f7afdb9ba3b4595ce830f619f0660642`	pdf-javascript-stream	PDF /JS object 1 at offset 0xF	32 bytes
`javascript_obj0013_001.js` `db6ea9ceb1e788691bfe7c599d7d12255a7ce153b8d01574b4f9a0c75f0716ba`	pdf-javascript-stream	PDF /JS object 13 at offset 0x357	8987 bytes
Detection ClamAV: No threats found Obfuscation or payload: likely Carved artifact contains 2 eval/decoder/string-building token(s).

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