PDF malware analysis — malicious · f552f80becbc6144

MALICIOUS

PDF

10.4 KB

MD5: 8d622e360dae358a26c70496d0eaecb2 SHA-1: de477589ca834ab738f53042b6a9212d94b471d0 SHA-256: f552f80becbc614495999a7fa890723a7ab6494cb6aca875a2ee1e53fb563222

78 Risk Score

Malware Insights

MITRE ATT&CK

T1566.002 Spearphishing Attachment T1204.002 Malicious File

The PDF file contains embedded content, indicated by the PDF_EMBEDDED heuristic and the presence of an embedded artifact. ClamAV detected this file as Heuristics.PDF.ObfuscatedNameObject, suggesting an attempt to disguise malicious content. The embedded file, 'embedded_file_obj0001.bin', is likely the payload. The XFA form heuristic may indicate a method used to trigger the exploit.

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` `e860fcc42dd0cb8d6fba21cc6dbfbf50f5f86d2d072ebcf927ffb932baa11823`	pdf-embedded-file	PDF EmbeddedFile object 1 at offset 0x7A	13408 bytes
Detection ClamAV: No threats found Obfuscation or payload: likely Carved artifact contains 1 long base64-like blob(s).

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