PDF malware analysis — malicious · 8cd0219c8daacfde

MALICIOUS

PDF

11.6 KB

MD5: b96ab8d6fed8cb54d50f095a38cced81 SHA-1: cd90f08f156425d2422fc3e4e7a3f323357d810b SHA-256: 8cd0219c8daacfde1909d7612ec7494f786017c9400995a5972209e65c96347c

128 Risk Score

Malware Insights

MITRE ATT&CK

T1204.002 Malicious File

This PDF was flagged as malicious by multiple heuristics, including a critical ClamAV detection (Pdf.Exploit.Dropped-78) and an ML classifier. It contains an embedded script payload and an embedded file, indicating it is likely a dropper or exploit document. The embedded file 'embedded_file_obj0008.bin' is a primary indicator of the delivered payload.

Machine Learning

Nyx PDF Classifier malicious score 1.0000

Heuristics 6

ClamAV: Pdf.Exploit.Dropped-78 critical CLAMAV_DETECTION

ClamAV detected this file as malware: Pdf.Exploit.Dropped-78
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` `c03938d3f60403599750647cda925af4d41bb396ca9a2650f3b8a8c4d0f2cdb8`	pdf-embedded-file	PDF EmbeddedFile object 8 at offset 0xC8	11164 bytes
Detection ClamAV: No threats found Obfuscation or payload: likely Carved artifact contains 1 long base64-like blob(s).

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