PDF malware analysis — malicious · c6c9cbda39f8985c

MALICIOUS

PDF

10.4 KB

MD5: 9f2469d196a5efba84f5ede62b451db7 SHA-1: 57fd56e40d681833dc26abf49c4ebdb792a9c743 SHA-256: c6c9cbda39f8985c6ab4244852f8fafcf363d13e3086af4d775d5e6daa175ccf

78 Risk Score

Malware Insights

MITRE ATT&CK

T1566.001 Spearphishing Attachment T1027 Obfuscated Files or Information

The PDF file exhibits critical heuristic firings indicating obfuscation and the presence of an embedded file. The embedded artifact, 'embedded_file_obj0001.bin', is highly suspicious and likely contains the secondary payload. The XFA form and obfuscated object names further suggest malicious intent. The document body itself is unreadable, but the combination of these factors strongly points to a delivery mechanism for malware.

Heuristics 4

ClamAV: Heuristics.PDF.ObfuscatedNameObject critical CLAMAV_DETECTION

ClamAV detected this file as malware: Heuristics.PDF.ObfuscatedNameObject
Embedded file low PDF_EMBEDDED

PDF embeds a file attachment — could carry an executable or another weaponised document as a nested payload
XFA form low PDF_XFA

PDF uses XML Forms Architecture — can contain script logic
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
`embedded_file_obj0001.bin` `b0881ff6c3904bcd4faa6990b3305e31277a46895b0ea2ba5035cbbe32b2c7e3`	pdf-embedded-file	PDF EmbeddedFile object 1 at offset 0x86	13408 bytes
Detection ClamAV: No threats found Obfuscation or payload: likely Carved artifact contains 1 long base64-like blob(s).

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