PDF malware analysis — malicious · 8d54f9215d7f76e3

MALICIOUS

PDF

9.5 KB

MD5: 1de9b1d5c00cb6a5f4738bdea0ffda00 SHA-1: ca661c1cefdfe58fe6834fcd6fcdbb4b075141a5 SHA-256: 8d54f9215d7f76e3e701419cd62f0c8446fb712e6f516501b091b728fd5076e6

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 the presence of an embedded file. The ClamAV detection for 'Heuristics.PDF.ObfuscatedNameObject' strongly suggests that the file is designed to evade detection. The embedded file, 'embedded_file_obj0001.bin', is likely a secondary payload. The XFA form and embedded file heuristics further support the conclusion that this PDF is a delivery mechanism for malware.

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 (matched inside decoded stream)
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` `8217b611f2f61809890382d8659f8b2d1ae3f4d8d17c7730a0a7efbd19637a6d`	pdf-embedded-file	PDF EmbeddedFile object 1 at offset 0x7E	13408 bytes
Detection ClamAV: No threats found Obfuscation or payload: likely Carved artifact contains 1 long base64-like blob(s).

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