PDF malware analysis — malicious · 2faf29b6e9ff067c

MALICIOUS

PDF

36.5 KB

MD5: 1c0c77e71616b06754dc55a8ec0ca566 SHA-1: 239cdefc4e4e5d71b29ad7d2f3c513b85d1713bf SHA-256: 2faf29b6e9ff067c518ebd9f987c22fd9e39cdee6056fcfa6c47b239eb944917

226 Risk Score

Malware Insights

MITRE ATT&CK

T1059.001 PowerShell T1204.002 Malicious File

The PDF file contains embedded JavaScript and a RichMedia (Flash) object, indicating an attempt to exploit vulnerabilities. The presence of `eval()` calls within the JavaScript stream strongly suggests code execution. ClamAV detection as 'Pdf.Exploit.Agent-35955' further confirms its malicious nature. The embedded JavaScript and file are the primary indicators of the attack vector, likely leading to the download and execution of a secondary payload.

Heuristics 8

ClamAV: Pdf.Exploit.Agent-35955 critical CLAMAV_DETECTION

ClamAV detected this file as malware: Pdf.Exploit.Agent-35955
ClamAV detection on extracted artifact critical EXTRACTED_FILE_CLAMAV

ClamAV flagged at least one file extracted from inside this sample. Even when the wrapping document carries no AV detection of its own, a hit on the carved artifact is a strong indicator the sample is a delivery vehicle.
RichMedia (Flash) high PDF_RICHMEDIA

PDF contains /RichMedia (Adobe Flash) which is a historic exploit vector
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.
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
`embedded_file_obj0016.bin` `ae13437efad4e3a4f03cb0339d03b7d795966b217d30a540767c4ae26f402285`	pdf-embedded-file	PDF EmbeddedFile object 16 at offset 0x146D	26774 bytes
Detection ClamAV: Pdf.Exploit.Agent-35955 Obfuscation or payload: likely Carved artifact entropy is 7.99, consistent with packed or encrypted content.
`javascript_obj0006_000.js` `15689f302e582c730e2957af9f693527bed5d4b0c0400330afa9ba85ee307ff3`	pdf-javascript-stream	PDF /JS object 6 at offset 0x13C	12114 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 base64-like blob(s).

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