PDF malware analysis — malicious · 58bcd0cd69d29bfd

MALICIOUS

PDF

7.2 KB

MD5: 0c21e0aae59606b571b10d3ad9d54162 SHA-1: 5d80b243249aaf0c9b669739cb363bd0bac43345 SHA-256: 58bcd0cd69d29bfdda4f80ed08c9717a32851fd5e9beb59a13cc510d24812410

178 Risk Score

Malware Insights

MITRE ATT&CK

T1059.001 PowerShell T1204.002 Malicious File

The PDF file contains embedded JavaScript and triggers a critical heuristic for CVE-2009-0927, indicating exploitation of a known vulnerability. The presence of JavaScript actions and an unescape call further suggests obfuscated malicious code execution. While the exact payload is not clear from the static analysis, the exploitation of this CVE is a strong indicator of malicious intent.

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)
ClamAV: Heuristics.PDF.ObfuscatedNameObject critical CLAMAV_DETECTION

ClamAV detected this file as malware: Heuristics.PDF.ObfuscatedNameObject
unescape() call high PDF_UNESCAPE

unescape() found — often used to decode shellcode in PDF JS exploits (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.
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_obj0006_000.js` `99170272ae8c7639f90b6167c6af1b706effa521a72a04c18581e574428342ef`	pdf-javascript-stream	PDF /JS object 6 at offset 0x18F	6171 bytes
Detection ClamAV: No threats found Obfuscation or payload: likely Carved artifact contains 4 eval/decoder/string-building token(s). Carved artifact contains 2 long base64-like blob(s).

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