PDF malware analysis — malicious · e151a2cf42ad9cce

MALICIOUS

PDF

46.4 KB

MD5: 4b67013ce130554e64ec56da7f6bac8e SHA-1: 8d0559d707713e2ec48b7d465e742f7dc4629fbd SHA-256: e151a2cf42ad9ccec61e1723e4aa57055128c01786156da8c93df76a0725dbce

136 Risk Score

Malware Insights

MITRE ATT&CK

T1204.002 Malicious File Execution: User Execution: Malicious File

The PDF file contains embedded JavaScript that is obfuscated and uses a custom Base64 decoder. This script is designed to exploit CVE-2009-0927 in Adobe Reader, likely to download and execute a further stage of malware. The presence of exploit indicators and a deobfuscated JavaScript stage strongly suggests a malicious intent to compromise the user's system.

Heuristics 5

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. (identified after JavaScript deobfuscation)
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.
ASCIIHexDecode filter (with exploit indicators) medium PDF_FILTER_HEX

Hex-encoding filter present alongside exploit delivery indicators — often used to hide payload or shellcode bytes
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 2

Files carved from inside the sample during analysis.

Filename	Kind	Source	Size
`javascript_obj0008_000.js` `bc97b2f66fde9e2358228aef4afc60f3afebc9a369c13d4ce9078132bcf62fef`	pdf-javascript-stream	PDF /JS object 8 at offset 0x1D3	9339 bytes
`custom_b64_stage_000.js` `52288679d6bbb9a11c8036211e56349daacf69cffad4843ab4e717d8f5706101`	deobfuscated-js	custom Base64 decoded JavaScript layer 2 (PDF /JS object 8) at offset 0x8A7	1547 bytes
Detection ClamAV: No threats found Obfuscation or payload: likely Carved artifact contains 3 eval/decoder/string-building token(s).

Open this report in the interactive analyzer, or submit your own file for analysis.