PDF malware analysis — malicious · 79e68bcdd6b79b53

MALICIOUS

PDF

10.4 KB

MD5: a0cc67a021f247c826e862bcd0e36719 SHA-1: d712a68faeee43a6a3fa6a0bbe0864340c8b770b SHA-256: 79e68bcdd6b79b537ac9e11f00775968c8fd94ed5a7084d30c78142a4b4ac4dc

78 Risk Score

Malware Insights

MITRE ATT&CK

T1566.001 Spearphishing Attachment T1204.002 Malicious File

The PDF file contains an embedded artifact, flagged by ClamAV as Heuristics.PDF.ObfuscatedNameObject, indicating a suspicious structure. The embedded file itself is a strong indicator of a delivery mechanism for a secondary payload. The XFA form and obfuscated object name further suggest an attempt to evade detection.

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` `a449533d84653ca7dab4d6b87a22023be8e545d48abfe3b348bcdc39686a8073`	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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