PDF malware analysis — malicious · f5fe4785ad66e3b6

MALICIOUS

PDF

28.3 KB

MD5: ba5305a1827e4a301d61b7bdfc698317 SHA-1: 05ceac76a1fd28d9f08bd28c9573afb43bfa8430 SHA-256: f5fe4785ad66e3b67414eda7b360eabc82f21f97080123f5253b0cd07416e1fd

126 Risk Score

Malware Insights

MITRE ATT&CK

T1559.002 Component Object Model Hijacking

The PDF file was flagged for containing embedded Flash content and JavaScript actions, indicating a potential exploit delivery mechanism. The ClamAV detection 'Heuristics.PDF.ObfuscatedNameObject' further supports its malicious nature. The embedded artifact 'KOuKWkxlCLGrA.swf' is the primary indicator of compromise.

Heuristics 6

ClamAV: Heuristics.PDF.ObfuscatedNameObject critical CLAMAV_DETECTION

ClamAV detected this file as malware: Heuristics.PDF.ObfuscatedNameObject
RichMedia (Flash) high PDF_RICHMEDIA

PDF contains /RichMedia (Adobe Flash) which is a historic exploit vector
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.
Embedded file low PDF_EMBEDDED

PDF embeds a file attachment — could carry an executable or another weaponised document as a nested payload
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
`KOuKWkxlCLGrA.swf` `767382813fc770c9716554c3266b22eee1636037ca964af05acf6ff66db4a27d`	pdf-embedded-file	PDF EmbeddedFile object 16 at offset 0x63A	26993 bytes
Detection ClamAV: No threats found Obfuscation or payload: likely Carved artifact entropy is 7.98, consistent with packed or encrypted content.

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