PDF malware analysis — malicious · 45f323ab4af300be

MALICIOUS

PDF

3.6 KB

MD5: 2ac9c216483cf63ed7654bafd27de23f SHA-1: 64eaa1147c585c87cb52b4edac606338ec93fff6 SHA-256: 45f323ab4af300bee670fdc8b0ea63f4bd05eb3a07102db1229503dbd2e9333a

146 Risk Score

Malware Insights

MITRE ATT&CK

T1204.002 Malicious File: Malicious File T1566.002 Phishing: Spearphishing Attachment

The PDF file contains embedded JavaScript and a RichMedia (Flash) object, indicating an attempt to exploit vulnerabilities. The presence of `eval()` and `unescape()` calls within the JavaScript strongly suggests obfuscation and dynamic code execution. The embedded JavaScript stream, named 'javascript_obj0017_000.js', is the primary mechanism for delivering the malicious payload. The file also references 'exploit.swf', likely related to the exploit delivery.

Heuristics 7

RichMedia (Flash) high PDF_RICHMEDIA

PDF contains /RichMedia (Adobe Flash) which is a historic exploit vector
eval() call high PDF_EVAL

eval() found — commonly used for obfuscated exploit execution
unescape() call high PDF_UNESCAPE

unescape() found — often used to decode shellcode in PDF JS exploits
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.
Embedded file low PDF_EMBEDDED

PDF embeds a file attachment — could carry an executable or another weaponised document as a nested payload
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 2

Files carved from inside the sample during analysis.

Filename	Kind	Source	Size
`embedded_file_obj0014.bin` `09da31fcb002129249bb529a7f84709739a96f62781db5f4c6d9bf6e4308eb15`	pdf-embedded-file	PDF EmbeddedFile object 14 at offset 0x4D1	102 bytes
`javascript_obj0017_000.js` `e9abe08122bfa2bca0f3d09bc002d93e3888233d262f8ada91820b3171080160`	pdf-javascript-stream	PDF /JS object 17 at offset 0x5EB	1728 bytes
Detection ClamAV: No threats found Obfuscation or payload: likely Carved artifact contains 3 eval/decoder/string-building token(s).

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