PDF malware analysis — malicious · 27ea0406e472117b

MALICIOUS

PDF

7.0 KB

MD5: d06edbf75c95f90087febadcc37376c0 SHA-1: df7e5c851ec287c7225cdca2f41924491e9f911c SHA-256: 27ea0406e472117b688894087f833ac1d284f716edc9b8ce488de20d23c9c264

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-2008-2992, indicating exploitation of a vulnerability related to util.printf. The embedded JavaScript stream, identified as javascript_obj0006_000.js, is likely responsible for downloading and executing a secondary payload. ClamAV also detected this file as Pdf.Dropper.Agent-7241699-0.

Heuristics 6

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.Dropper.Agent-7241699-0 critical CLAMAV_DETECTION

ClamAV detected this file as malware: Pdf.Dropper.Agent-7241699-0
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` `54505584382c15c97088d624b31e3773b7b3d595a6fe41da07a1a2d898af0475`	pdf-javascript-stream	PDF /JS object 6 at offset 0x19D	6040 bytes
Detection ClamAV: No threats found Obfuscation or payload: likely Carved artifact contains 3 eval/decoder/string-building token(s). Carved artifact contains 2 long base64-like blob(s).

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