PDF malware analysis — malicious · 241fa0a7296a13fa

MALICIOUS

PDF

3.0 KB

MD5: 06b7a248608fbd5073d4c1c2ef21fcff SHA-1: 5c0e70d77da772367976ca9e7d03cdba30034413 SHA-256: 241fa0a7296a13fa0fe4b93c326594ce1e457fd431798b4b1f81b88b6906a7e2

218 Risk Score

Malware Insights

MITRE ATT&CK

T1059.001 JavaScript/Shell Script Execution T1204.001 Malicious Link/URL

The PDF file contains embedded JavaScript and triggers an OpenAction, indicating an attempt to exploit vulnerabilities. Specifically, the 'Collab.getIcon' heuristic firing points to CVE-2009-0927, a known vulnerability in Adobe Reader. The embedded JavaScript is likely used to download and execute a second-stage payload. The ClamAV detection further confirms its malicious nature.

Heuristics 7

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: Pdf.Exploit.Agent-3446 critical CLAMAV_DETECTION

ClamAV detected this file as malware: Pdf.Exploit.Agent-3446
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)
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_obj0009_000.js` `8364cc258a3819f7ee19dc259b9c61d6ee78921c1569bc581bebef6a4f7ad757`	pdf-javascript-stream	PDF /JS object 9 at offset 0xD6	2322 bytes
Detection ClamAV: No threats found Obfuscation or payload: likely Carved artifact contains 4 eval/decoder/string-building token(s).

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