PDF malware analysis — malicious · 01ed69bd537c3b98

MALICIOUS

PDF

27.3 KB

MD5: 60f33578b4e1e72f604221e0a5cee06e SHA-1: a122a8434b492401eb10adcc52a2f01bf7421d05 SHA-256: 01ed69bd537c3b98e89d633ca20393103d5e1568e46dbb8a20f6c89126a9e895

216 Risk Score

Malware Insights

MITRE ATT&CK

T1566.001 Spearphishing Attachment T1203 Exploitation for Client Execution T1059.007 JavaScript

The PDF document was flagged by multiple heuristics and a machine learning classifier as malicious, with ClamAV identifying it as 'Pdf.Exploit.Agent-35955'. A Flash object (SWF) was extracted from the PDF, indicating a likely exploit delivery mechanism. The presence of JavaScript actions and embedded JS streams further suggests the PDF is designed to execute malicious code upon opening.

Machine Learning

Nyx PDF Classifier malicious score 1.0000

Heuristics 7

ClamAV: Pdf.Exploit.Agent-35955 critical CLAMAV_DETECTION

ClamAV detected this file as malware: Pdf.Exploit.Agent-35955
ClamAV detection on extracted artifact critical EXTRACTED_FILE_CLAMAV

ClamAV flagged at least one file extracted from inside this sample. Even when the wrapping document carries no AV detection of its own, a hit on the carved artifact is a strong indicator the sample is a delivery vehicle.
RichMedia (Flash) high PDF_RICHMEDIA

PDF contains /RichMedia (Adobe Flash) which is a historic exploit vector
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 1

Files carved from inside the sample during analysis.

Filename	Kind	Source	Size
`SWFNAME.swf` `c2b666a3ef4c191b77b78c037656e50477b8ba3d35fd61ae843a3a1f4d41c5c1`	pdf-embedded-file	PDF EmbeddedFile object 16 at offset 0x453	26774 bytes
Detection ClamAV: Pdf.Exploit.Agent-35955 Obfuscation or payload: likely Carved artifact entropy is 7.99, consistent with packed or encrypted content.

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