PDF malware analysis — malicious · abfbe8b44856a9ae

MALICIOUS

PDF

29.8 KB

MD5: 6a8ce8bcb552fa460e4135aa6ac41ca4 SHA-1: 914e52253c5b0429bde46a15a5694755e0c78115 SHA-256: abfbe8b44856a9ae7c3a4ab18a21eaf7082e037bb20f04aa7813bed370621992

106 Risk Score

Malware Insights

MITRE ATT&CK

T1059.001 JavaScript/JScript T1559.002 Component Object Model

The PDF file contains embedded JavaScript and a Flash object (hJzrcNRhacMbB.swf), indicated by multiple heuristic firings. The JavaScript stream (javascript_obj0006_000.js) likely contains obfuscated code designed to execute the embedded Flash content or exploit PDF vulnerabilities. The presence of these embedded, potentially malicious, artifacts suggests an attempt to compromise the user's system.

Heuristics 6

RichMedia (Flash) high PDF_RICHMEDIA

PDF contains /RichMedia (Adobe Flash) which is a historic exploit vector
unescape() call high PDF_UNESCAPE

unescape() found — often used to decode shellcode in PDF JS exploits
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 2

Files carved from inside the sample during analysis.

Filename	Kind	Source	Size
`hJzrcNRhacMbB.swf` `767382813fc770c9716554c3266b22eee1636037ca964af05acf6ff66db4a27d`	pdf-embedded-file	PDF EmbeddedFile object 16 at offset 0xC27	26993 bytes
Detection ClamAV: No threats found Obfuscation or payload: likely Carved artifact entropy is 7.98, consistent with packed or encrypted content.
`javascript_obj0006_000.js` `a06466eabaf06bfe214c50a4d44d1ffbef758b6eccd3f99553c64be89b7be17a`	pdf-javascript-stream	PDF /JS object 6 at offset 0xF9	2005 bytes
Detection ClamAV: No threats found Obfuscation or payload: likely Carved artifact contains 2 eval/decoder/string-building token(s).

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