PDF malware analysis — malicious · cdbbcedafe549e9f

MALICIOUS

PDF

28.2 KB

MD5: bcc70d5d64ad53b55e7d08255930b191 SHA-1: 4d2eb7dcca87f8dcfb6e54d8103cdb62d3d97415 SHA-256: cdbbcedafe549e9f57f511ef44e6ad9e94db869d33df7fbb542bd06028b2078c

100 Risk Score

Malware Insights

MITRE ATT&CK

T1059.001 PowerShell T1204.002 Malicious JavaScript

The file is a PDF containing XFA form elements, which is a common vector for exploiting vulnerabilities. ClamAV detected it as Js.Exploit.HTML-30, and a machine learning classifier also flagged it as malicious. The embedded JavaScript, although obfuscated, likely attempts to exploit a PDF viewer vulnerability to download and execute a second-stage payload. The presence of an XFA template URL further supports this attack pattern.

Machine Learning

Nyx PDF Classifier malicious score 1.0000

Heuristics 4

ClamAV: Js.Exploit.HTML-30 critical CLAMAV_DETECTION

ClamAV detected this file as malware: Js.Exploit.HTML-30
XFA form low PDF_XFA

PDF uses XML Forms Architecture — can contain script logic
PDF differential parser failed info PDF_DIFFERENTIAL_PARSE_FAILED

The cross-check parser (pdfminer.six) failed on this file: PDF differential parser failed: PSEOF. Static heuristics still ran and any of their findings above are valid; only the differential cross-check signal is missing.
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://www.xfa.org/schema/xfa-template/2.5/

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