PDF malware analysis — malicious · 63bcd15a81a67e4c

MALICIOUS

PDF

7.7 KB Authoring application: Qimigiwova (via 08deaBashemeriwesohitaro)

MD5: ae637ed8a5f7e9ecd3c7a3cb52ffb838 SHA-1: b96d57f5864bc947cd6a80b1ac08afbdd46b4188 SHA-256: 63bcd15a81a67e4c13a8ff174c216d5b7ca7b6ae54a03547320346c3521ef70e

106 Risk Score

Malware Insights

MITRE ATT&CK

T1059.007 JavaScript T1566.001 Spearphishing Attachment

The PDF contains obfuscated JavaScript that attempts to download a second-stage payload from a hardcoded URL. The script's primary function is to fetch and execute content from the reconstructed URL 'http://20101004065832.com/55'. This behavior is indicative of a downloader or initial access mechanism, likely delivered via spearphishing.

Machine Learning

Nyx PDF Classifier malicious score 0.9989

Heuristics 3

ClamAV: Heuristics.PDF.ObfuscatedNameObject critical CLAMAV_DETECTION

ClamAV detected this file as malware: Heuristics.PDF.ObfuscatedNameObject
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_obj0010_000.js` `ed31b16df2b6492a4d5be85b534deca964c2f0e07a8443782787f4ed9c62c93c`	pdf-javascript-stream	PDF /JS object 10 at offset 0x1303	3192 bytes

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