PDF malware analysis — malicious · d8d90254f85ecafa

MALICIOUS

PDF

173.5 KB

MD5: b42a5388334500c8e9fd50c8efd13d01 SHA-1: 18653883840f8461febd784d74cad5d674901059 SHA-256: d8d90254f85ecafad6dfaa0a6785120990cc60aead8452f24411301d7375d353

78 Risk Score

Malware Insights

MITRE ATT&CK

T1059.001 PowerShell

The PDF file contains obfuscated JavaScript, indicated by multiple heuristic firings including 'PDF_JAVASCRIPT' and 'PDF_JS'. The embedded JavaScript file 'javascript_obj0014_000.js' is likely responsible for downloading and executing a second-stage payload, as suggested by the 'Suspicious extracted artifact' heuristic. The ClamAV detection further confirms the malicious nature of the file.

Heuristics 4

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.
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_obj0014_000.js` `8edb9b6ba139690f7a521e87d449da0c21a5428b646565f9316db160b5004707`	pdf-javascript-stream	PDF /JS object 14 at offset 0x46A	176000 bytes
Detection ClamAV: No threats found Obfuscation or payload: likely Carved artifact contains 1 long base64-like blob(s).

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