PDF malware analysis — malicious · d506ab0f13a69d0a

MALICIOUS

PDF

3.0 KB

MD5: 504a5dcce076c899e4291236068697b8 SHA-1: bef4a24de98fb6c6065cb605461d86aea233ddab SHA-256: d506ab0f13a69d0a971feaa675b645f68ec8be2fd76ef201b9c9257ee99d7595

196 Risk Score

Malware Insights

MITRE ATT&CK

T1059.001 PowerShell T1204.002 Malicious File

The PDF file contains embedded JavaScript and is configured with an OpenAction to trigger its execution upon opening. The 'CVE_2009_0927' heuristic indicates exploitation of a known vulnerability related to 'Collab.getIcon'. The embedded JavaScript stream, identified as 'javascript_obj0009_000.js', is obfuscated and likely responsible for downloading and executing a secondary payload. The lack of readable document body text prevents a more specific determination of the lure, but the technical indicators strongly suggest a malicious exploit document.

Heuristics 6

Collab.getIcon — CVE-2009-0927 critical CVE exact CVE_2009_0927

PDF JavaScript calls Collab.getIcon — CVE-2009-0927 is a stack buffer overflow in Adobe Reader triggered by Collab.getIcon() with a crafted argument. Allows arbitrary code execution. (matched in decompressed stream)
OpenAction trigger high PDF_OPENACTION

PDF has an /OpenAction — code runs automatically when opened
unescape() call high PDF_UNESCAPE

unescape() found — often used to decode shellcode in PDF JS exploits (matched inside decoded stream)
Suspicious extracted artifact high 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.
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.

Extracted artifacts 1

Files carved from inside the sample during analysis.

Filename	Kind	Source	Size
`javascript_obj0009_000.js` `c2b915a2f59f9572e52287da318429fea5f80249c12f4485f41c793ceee7c46d`	pdf-javascript-stream	PDF /JS object 9 at offset 0xD6	2287 bytes
Detection ClamAV: No threats found Obfuscation or payload: likely Carved artifact contains 4 eval/decoder/string-building token(s).

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