PDF malware analysis — malicious · 9eb7bd9d32bd88e1

MALICIOUS

PDF

10.4 KB

MD5: f4de653610ad7f11f1511f4567628ce6 SHA-1: 8acdbd62ede25d06c032b6a7e6aef11096b4bab5 SHA-256: 9eb7bd9d32bd88e1c5d480d98fadecf185adef8ab32af27359b32d2e277d5deb

108 Risk Score

Malware Insights

MITRE ATT&CK

T1566.001 Spearphishing Attachment T1027 Obfuscated Files or Information

The PDF file was flagged by multiple heuristics, including ML classification and ClamAV, for being malicious and obfuscated. 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 intent. The presence of an embedded file suggests this PDF is likely a dropper or downloader.

Machine Learning

Nyx PDF Classifier malicious score 0.9989

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` `70b7fed4516f268d49672b3e11f818fa0ac65c3eea1fd5de4dd7960a0a7eb4f1`	pdf-embedded-file	PDF EmbeddedFile object 1 at offset 0x84	13408 bytes
Detection ClamAV: No threats found Obfuscation or payload: likely Carved artifact contains 1 long base64-like blob(s).

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