PDF malware analysis — malicious · bca4ef34bf96fc18

MALICIOUS

PDF

10.4 KB

MD5: 3def7dd77e4748f431f5d98eca110aad SHA-1: 4801eb17d801152059902e42906e89e22b47153b SHA-256: bca4ef34bf96fc18c58744809f12c8b21e49c01f3138a0707d8d28192f0c315a

78 Risk Score

Malware Insights

MITRE ATT&CK

T1566.001 Spearphishing Attachment T1204.002 Malicious File

The PDF file contains an embedded object, flagged by ClamAV as an obfuscated name object, indicating malicious intent. The embedded file, 'embedded_file_obj0001.bin', is the primary artifact of interest. The XFA form suggests a potential for complex scripting or exploitation within the PDF structure.

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` `f599f90b52e8e672b3e64a903f4c59da59921340d484f78d8dd17edeb45910e4`	pdf-embedded-file	PDF EmbeddedFile object 1 at offset 0x80	13408 bytes
Detection ClamAV: No threats found Obfuscation or payload: likely Carved artifact contains 1 long base64-like blob(s).

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