PDF malware analysis — malicious · 23d9adacff83ec37

MALICIOUS

PDF

10.4 KB

MD5: d694cc51f5670fb035fecf331a59c3cd SHA-1: 26e7705686a80f95626260fea972eecf6fe0e68b SHA-256: 23d9adacff83ec37a41713d1de8dd8424c2d25ea9ad07fbdcc02026c57aaaa65

78 Risk Score

Malware Insights

MITRE ATT&CK

T1566.002 Spearphishing Attachment T1204.002 Malicious File

The PDF file was flagged by ClamAV with a critical heuristic for obfuscated objects, indicating malicious intent. It also contains an embedded file, which is a common technique for delivering secondary payloads. The document body is heavily obfuscated and unreadable, further supporting the malicious nature of the file. The presence of an embedded file suggests an attempt to trick the user into opening a malicious attachment.

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` `c536054880dc292eac1d17059ddfc19858b74b2fffba7a926125e8d1ec5d3e21`	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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