PDF malware analysis — malicious · 92e2c62de7dbe370

MALICIOUS

PDF

31.4 KB

MD5: 7ddfff0c4d67ad477e2df67f0a9bc6b2 SHA-1: f2cf1c86cc9ddaf4522df91954fabf607a6c426a SHA-256: 92e2c62de7dbe3704010ad2d1ad64a67d9811cb1e34572824461eb6ca7aeeb5b

186 Risk Score

Malware Insights

MITRE ATT&CK

T1204.002 Malicious File

The file is a PDF containing embedded JavaScript and a Flash object (SWF). Heuristics indicate a PDF exploit targeting RichMedia (Flash) and embedded JavaScript actions. ClamAV detection confirms this as a known PDF exploit (Pdf.Exploit.Agent-35955). The embedded SWF file, named UPsZxKlVd.swf, is highly suspicious and likely contains malicious code designed to exploit vulnerabilities or download additional payloads.

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 2

Files carved from inside the sample during analysis.

Filename	Kind	Source	Size
`UPsZxKlVd.swf` `c2b666a3ef4c191b77b78c037656e50477b8ba3d35fd61ae843a3a1f4d41c5c1`	pdf-embedded-file	PDF EmbeddedFile object 16 at offset 0x1353	26774 bytes
Detection ClamAV: Pdf.Exploit.Agent-35955 Obfuscation or payload: likely Carved artifact entropy is 7.99, consistent with packed or encrypted content.
`javascript_obj0006_000.js` `7ef06244e3d2fc166d03557e09fa8efa2a6349ea153990bc4c76bbeed8548fa2`	pdf-javascript-stream	PDF /JS object 6 at offset 0x13C	3205 bytes

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