PDF malware analysis — malicious · 24b33b3b6449ea09

MALICIOUS

PDF

105.7 KB

MD5: 456aa85535e4e2d38a2adc19864ec182 SHA-1: 69fe72ad1fb186f7a307a06e3376b93fff6667b4 SHA-256: 24b33b3b6449ea09e2f427dd871666a86a6978ab6162d4ba4a78715cd714bda8

138 Risk Score

Malware Insights

MITRE ATT&CK

T1204.002 Malicious File T1027 Obfuscated Files or Information T1059.001 PowerShell

The PDF file contains multiple indicators of malicious activity, including embedded files and scripts, and the use of unescape and ASCIIHexDecode filters. The presence of an embedded script payload suggests an attempt to execute arbitrary code. The file is classified as malicious with a high risk score.

Heuristics 7

XFA form contains risky executable script high CVE related PDF_XFA_SCRIPT

PDF embeds an XFA form whose script block contains exploit, submission/launch, or shell-execution primitives. Ordinary LiveCycle print/update scripts are left as generic XFA/JS signals unless stronger behavior is present.
unescape() call high PDF_UNESCAPE

unescape() found — often used to decode shellcode in PDF JS exploits (matched inside decoded stream)
Embedded script payload in PDF stream medium PDF_EMBEDDED_SCRIPT_PAYLOAD

PDF stream bytes contain an HTML/XFA <script> tag without accompanying Windows shell-execution primitives — common in accessible XFA forms but worth surfacing for analyst review.
ASCIIHexDecode filter (with exploit indicators) medium PDF_FILTER_HEX

Hex-encoding filter present alongside exploit delivery indicators — often used to hide payload or shellcode bytes
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_obj0008.bin` `265b19f4b03da7e0c0dabd7c082450c8bd8ee59606a57f52825065ea63af0906`	pdf-embedded-file	PDF EmbeddedFile object 8 at offset 0xE2	15358 bytes
Detection ClamAV: No threats found Obfuscation or payload: likely Carved artifact contains 1 eval/decoder/string-building token(s).

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