PDF malware analysis — malicious · 57e6c14fe1a528e4

MALICIOUS

PDF

8.3 KB Created: 2010-08-10 17:04:30 Authoring application: A74wJY (via o2M66BHmg0k2)

MD5: 24b49bf42d5d3be30c7e6362aaab08fe SHA-1: c96db7a9a9e6d8b1507ec9dc16176e31cf195291 SHA-256: 57e6c14fe1a528e4c122a4458bcddacfc0b2d090bb70648565f51bef2c43ab54

338 Risk Score

Malware Insights

MITRE ATT&CK

T1204 Malicious Link T1204.002 Malicious File T1059.001 PowerShell T1059.003 Windows Command and Shell

The PDF file contains embedded JavaScript and triggers an OpenAction upon opening, indicating an attempt to exploit vulnerabilities. Critical heuristic firings for CVE-2009-0927, CVE-2007-5659, and CVE-2008-2992 confirm the exploitation of known Adobe Reader flaws. The presence of a suspicious JavaScript object further supports the malicious intent. The file is likely designed to deliver a secondary payload or perform malicious actions by leveraging these vulnerabilities.

Heuristics 9

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)
Collab.collectEmailInfo — CVE-2007-5659 critical CVE exact CVE_2007_5659

PDF JavaScript calls Collab.collectEmailInfo — CVE-2007-5659 is a buffer overflow in Adobe Reader triggered by a long argument or heap-sprayed message field passed to Collab.collectEmailInfo(). Part of a series of Acrobat JS API exploits. (matched in decompressed stream)
util.printf — CVE-2008-2992 critical CVE exact CVE_2008_2992

PDF JavaScript calls util.printf() — CVE-2008-2992 is a stack buffer overflow in Adobe Reader triggered by a long format-specifier argument. Widely exploited in the wild after disclosure. (matched in decompressed stream)
ClamAV: Pdf.Exploit.CVE_2009_0927-1 critical CLAMAV_DETECTION

ClamAV detected this file as malware: Pdf.Exploit.CVE_2009_0927-1
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_obj0007_000.js` `22ff8ef0e5bbcde2ea4d271f011d9ce8fbeed8af4b528a45cc1d66f51864e897`	pdf-javascript-stream	PDF /JS object 7 at offset 0x22D	7282 bytes
Detection ClamAV: No threats found Obfuscation or payload: likely Carved artifact contains 7 eval/decoder/string-building token(s).

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