PDF malware analysis — malicious · f6550d18dba89126

MALICIOUS

PDF

10.4 KB

MD5: 67d8741c0c19e58edae08c1edcb1e192 SHA-1: 3d13469a717ccc9c3fb38078631c0ff0c0b76865 SHA-256: f6550d18dba891265d554cc22c7969c682e8c5722de653138deb881b6848397a

78 Risk Score

Malware Insights

MITRE ATT&CK

T1566.002 Spearphishing Attachment T1204.002 Malicious File

The file is a PDF document identified as malicious by ClamAV due to obfuscated object names and the presence of an embedded file. The embedded file, named 'embedded_file_obj0001.bin', is likely the payload. The XFA form suggests an attempt to leverage form functionality for exploitation. The document body is heavily obfuscated and unreadable, providing no direct clues about the lure.

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` `3f1bf6ac1e8288818cedd82712069c55eff0256746b097986241756d87ed458d`	pdf-embedded-file	PDF EmbeddedFile object 1 at offset 0x7E	13408 bytes
Detection ClamAV: No threats found Obfuscation or payload: likely Carved artifact contains 1 long base64-like blob(s).

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