PDF malware analysis — malicious · 98cd4f01135cb76a

MALICIOUS

PDF

10.4 KB

MD5: 1816eadd1fa6ee66278e8af3c53ae0fc SHA-1: 51357be7bdcba805a4bf15545168b2241dc21b20 SHA-256: 98cd4f01135cb76acbd7cc9a11870070085f17bba8f26747e1a5265de8c9f4ad

78 Risk Score

Malware Insights

MITRE ATT&CK

T1566.001 Spearphishing Attachment T1027 Obfuscated Files or Information

The PDF file exhibits characteristics of malicious intent, including obfuscated content and an embedded file, as indicated by the ClamAV detection and static triage findings. The embedded file, named 'embedded_file_obj0001.bin', is likely a secondary payload. The presence of XFA forms and embedded files are common techniques for delivering malware via PDF documents.

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` `c038276bacc89fabaa0999267e16c14587d9deb06f4c84cb5feedb4641db520b`	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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