MALICIOUS
104
Risk Score
Malware Insights
MITRE ATT&CK
T1566.002 Phishing: Spearphishing Attachment
This PDF file exhibits multiple indicators of malicious intent, including the presence of obfuscated JavaScript and the use of ASCIIHexDecode and ASCII85Decode filters, which are commonly employed to hide malicious code. ClamAV also flagged this file as Heuristics.PDF.ObfuscatedNameObject. The embedded JavaScript is likely responsible for executing a secondary payload, although its exact function cannot be determined without further analysis.
Heuristics 5
-
ClamAV: Heuristics.PDF.ObfuscatedNameObject critical CLAMAV_DETECTIONClamAV detected this file as malware: Heuristics.PDF.ObfuscatedNameObject
-
ASCIIHexDecode filter (with exploit indicators) medium PDF_FILTER_HEXHex-encoding filter present alongside exploit delivery indicators — often used to hide payload or shellcode bytes
-
JavaScript action low PDF_JAVASCRIPTPDF contains a /JavaScript action. Generic JavaScript is common in benign forms; specific dangerous APIs are scored by separate rules.
-
Embedded JS stream low PDF_JSPDF references a /JS stream. Generic JavaScript is common in benign forms; specific dangerous APIs are scored by separate rules.
-
ASCII85Decode filter (with exploit indicators) low PDF_FILTER_85ASCII85 encoding filter present alongside exploit delivery indicators — uncommon outside of obfuscation
Open this report in the interactive analyzer, or submit your own file for analysis.