PDF malware analysis — malicious · f71081e6d5cd9c9d

MALICIOUS

PDF

10.4 KB

MD5: 87c39074b526a90ab8aa496f40aa2101 SHA-1: 7754da8d823a96c17c4665961013fe2021e017ea SHA-256: f71081e6d5cd9c9d2148d132c8e61cd09039db712cb99da826da8d5a945df643

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 object names and the presence of an embedded file. The ClamAV heuristic 'Heuristics.PDF.ObfuscatedNameObject' strongly suggests malicious activity. The embedded file, named 'embedded_file_obj0001.bin', is likely the payload. Due to the lack of readable document body text and script content, the exact nature of the attack and the specific malware family remain undetermined.

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` `a1e40e80aaa024b6d0d4fff83a8039ddb00b709585294f53e8f4fb2d1d2a8eaf`	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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