PDF malware analysis — malicious · cc4ef2626ac7045c

MALICIOUS

PDF

50.8 KB

MD5: d6a652a28180658f68590446fccc456b SHA-1: 322d0518ab03563d0960f42df1a84bd179e6d33d SHA-256: cc4ef2626ac7045c5373e6487cc19919fc7f79ce8dc634629651e353c3c29bec

186 Risk Score

Malware Insights

MITRE ATT&CK

T1204 Malicious Link T1204.002 Malicious File T1059.007 JavaScript

The PDF file contains embedded JavaScript and a Flash object (CVE-2010-1297.swf), which are commonly used to exploit vulnerabilities in document readers. ClamAV detection as 'Pdf.Exploit.Agent-35955' strongly suggests a known exploit. The embedded Flash file is likely the exploit payload, and the JavaScript is used to trigger it.

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 3

Files carved from inside the sample during analysis.

Filename	Kind	Source	Size
`AdobeSystem` `2c7ca4fbed7155ab780d5d0a2c60615cac253028b3c562f3641b8afa4a27e3ad`	pdf-embedded-file	PDF EmbeddedFile object 5 at offset 0x1B0	21285 bytes
Detection ClamAV: No threats found Obfuscation or payload: likely Carved artifact entropy is 8.00, consistent with packed or encrypted content.
`CVE-2010-1297.swf` `e00f8888a663b7605e1a74a39b06c4c4210174facea50eafd361d375f73abd1a`	pdf-embedded-file	PDF EmbeddedFile object 10 at offset 0x5D11	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_obj0008_000.js` `8a216007da0cb35af0003dd45a8aa592326de89e12d67b36b3d5d5228bd7aeb0`	pdf-javascript-stream	PDF /JS object 8 at offset 0x555F	4901 bytes

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