PDF malware analysis — malicious · d95add2447eb889a

MALICIOUS

PDF

2.9 KB

MD5: 6555ab0085f2663e97377967e7592b1c SHA-1: ae0a221bbbca0805aca6d341004665b35634db3f SHA-256: d95add2447eb889a6fb32df692a2dd9d8f2cf8a69b7aff0190104716d79fad16

86 Risk Score

Malware Insights

MITRE ATT&CK

T1204.002 Malicious File: Malicious File

The PDF file contains embedded JavaScript, identified by multiple heuristics including PDF_JAVASCRIPT and PDF_JS. The embedded JavaScript stream, named 'javascript_obj0009_000.js', is likely responsible for downloading and executing a secondary payload, as indicated by the ClamAV detection 'Pdf.Dropper.Agent-7311083-0'. The use of String.fromCharCode further suggests obfuscation techniques common in malicious scripts.

Heuristics 5

ClamAV: Pdf.Dropper.Agent-7311083-0 critical CLAMAV_DETECTION

ClamAV detected this file as malware: Pdf.Dropper.Agent-7311083-0
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.
String.fromCharCode low PDF_FROMCHARCODE

String.fromCharCode found — used to construct payload strings dynamically. Common in benign JavaScript libraries for codepoint manipulation, so this alone is informational; weaponised use is also caught by the dedicated fromCharCode-stage and exploit-shape rules. (matched inside decoded stream)
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 1

Files carved from inside the sample during analysis.

Filename	Kind	Source	Size
`javascript_obj0009_000.js` `671c0ddec3414f005c6177d7a1d91fed38e596ae86ea3e9ed0200b74485d6fa1`	pdf-javascript-stream	PDF /JS object 9 at offset 0xD6	20169 bytes
Detection ClamAV: No threats found Obfuscation or payload: likely Carved artifact contains 3 eval/decoder/string-building token(s). Carved artifact contains 1 long base64-like blob(s).

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