PDF malware analysis — malicious · 7dfa5753b8f7d9f4

MALICIOUS

PDF

16.6 KB

MD5: 3b6dc2cd130b3050214ef7915a2666f2 SHA-1: 0a23203ef189e50b3a89adddc934507716d475e6 SHA-256: 7dfa5753b8f7d9f4ff1d3e04418044f47ce64b16f02612b1256ff5d0897c22f9

118 Risk Score

Malware Insights

MITRE ATT&CK

T1204.002 Malicious File T1059.007 JavaScript

This PDF document contains XFA forms with embedded executable scripts, indicated by the PDF_XFA_SCRIPT and PDF_EMBEDDED_SCRIPT_PAYLOAD heuristics. The PDF_UNESCAPE heuristic suggests obfuscation is used to hide malicious code. An embedded file, 'embedded_file_obj0008.bin', was also extracted, which is a common delivery mechanism for further payloads. The document body contains minimal readable text, providing no direct lure, but the presence of XFA scripts and an embedded file strongly suggests an exploit attempt.

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
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.
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.
Embedded URL info EMBEDDED_URL

One or more URLs were extracted from the document. The URL itself is not a detection — see the per-URL labels for which channel (macro, JS, link annotation, document body, ...) reached each URL.
URL http://ns.adobe.com/xdp/
- http://www.xfa.org/schema/xfa-template/2.5/
- http://www.xfa.org/schema/xfa-data/1.0/

Extracted artifacts 1

Files carved from inside the sample during analysis.

Filename	Kind	Source	Size
`embedded_file_obj0008.bin` `a2ec3dabc6398e533839f0ff173099fe7c1c89c7ae95b4d81e09533c1ac53028`	pdf-embedded-file	PDF EmbeddedFile object 8 at offset 0xC6	16248 bytes
Detection ClamAV: No threats found Obfuscation or payload: likely Carved artifact contains 1 eval/decoder/string-building token(s). Carved artifact contains 1 long base64-like blob(s).

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