PDF malware analysis — malicious · 79983d230b9e1db9

MALICIOUS

PDF

10.5 KB

MD5: b5ab4497d7b24083cd6301f2fa4b337f SHA-1: 6ddc07fdb19a171b29e7873925ac78adc5f66bc5 SHA-256: 79983d230b9e1db92bf885c3ce7e1fbcc2985a1697f116efa956f47dee493eb8

78 Risk Score

Malware Insights

MITRE ATT&CK

T1566.002 Spearphishing Attachment T1204.002 Malicious File

The PDF 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 XFA form heuristic further suggests a potentially complex or malicious structure. The document body is heavily obfuscated and unreadable, providing no direct clues about the lure.

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` `13b860d88779be9e2069511c255e6aba8ccf23e376c03288d76a122f4a68e61f`	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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