PDF malware analysis — malicious · a64c1f0c7e8ae0dd

MALICIOUS

PDF

10.4 KB

MD5: 535ff700c28c8a3ff6df44c4b6275699 SHA-1: 1f8ceaed6637952bda5ac8623dc52705db7cbb14 SHA-256: a64c1f0c7e8ae0dd14b90c04f18bdf4bf6f5cfcf38e207c91ac6774f16d5c29e

78 Risk Score

Malware Insights

MITRE ATT&CK

T1557 Adversary-in-the-Middle T1027 Obfuscated Files or Information

The PDF document was flagged by ClamAV for obfuscated object names, indicating malicious intent. It also contains an embedded file, which is a common technique for delivering secondary payloads. The document body itself is heavily obfuscated and unreadable, further supporting the malicious nature of the file. The embedded artifact 'embedded_file_obj0001.bin' is the primary IOC.

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` `3e27ad7bbaf75263d230b74defee66e1e5e8a4c900a274eae345fd80412b1937`	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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