PDF malware analysis — malicious · a7c63c2a10a49442

MALICIOUS

PDF

2.8 KB

MD5: 5a8ea0277759fb37716d6dbf0a9ca0b0 SHA-1: 7f139eae5a17a9ae9fc3dfb1ba91341d09de1f51 SHA-256: a7c63c2a10a49442a100cdc62c13d6f665d3d50dbd911eff81f743930037363d

196 Risk Score

Malware Insights

MITRE ATT&CK

T1204.002 Malicious File T1059.001 PowerShell

The PDF file contains embedded JavaScript and is configured with an OpenAction trigger, indicating an attempt to automatically execute code upon opening. The critical CVE-2009-0927 heuristic firing confirms exploitation of a specific vulnerability related to the Collab.getIcon method. An extracted JavaScript file, javascript_obj0009_000.js, was also identified as suspicious. The combination of these factors strongly suggests the document is designed to exploit this vulnerability to deliver a malicious payload.

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` `aea4912e2a6a85df1fd219745f1e05ad84c966a2cbad692f791d04fc0f0af49c`	pdf-javascript-stream	PDF /JS object 9 at offset 0xD6	2147 bytes
Detection ClamAV: No threats found Obfuscation or payload: likely Carved artifact contains 4 eval/decoder/string-building token(s).

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