PDF malware analysis — malicious · 57c8f3c8b6976278

MALICIOUS

PDF

5.6 KB

MD5: 1485c847db81a15acdb117023c056a64 SHA-1: 4d304a6d24835308ef0f1f991b49ff9a10900265 SHA-256: 57c8f3c8b6976278c788957a63fa01ffb07709eb087175cc1b41b4fb7aee1112

188 Risk Score

Malware Insights

MITRE ATT&CK

T1204.002 Malicious File T1566.002 Spearphishing Attachment

The file is identified as malicious by multiple heuristics, including a critical ClamAV detection for 'Pdf.Exploit.CVE_2010_0188-10'. This indicates the PDF is designed to exploit a vulnerability, likely CVE-2010-0188, to achieve code execution. An embedded script payload was also detected, further supporting the exploit vector. The ML classifier strongly agrees with the malicious verdict.

Machine Learning

Nyx PDF Classifier malicious score 1.0000

Heuristics 6

ClamAV: Pdf.Exploit.CVE_2010_0188-10 critical CLAMAV_DETECTION

ClamAV detected this file as malware: Pdf.Exploit.CVE_2010_0188-10
ClamAV detection on extracted artifact critical EXTRACTED_FILE_CLAMAV

ClamAV flagged at least one file extracted from inside this sample. Even when the wrapping document carries no AV detection of its own, a hit on the carved artifact is a strong indicator the sample is a delivery vehicle.
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.

Extracted artifacts 1

Files carved from inside the sample during analysis.

Filename	Kind	Source	Size
`embedded_file_obj0006.bin` `ffb1057174588add7d653957f3053c345526cb8cca790b6d2fc23f8771e8af81`	pdf-embedded-file	PDF EmbeddedFile object 6 at offset 0x410	33715 bytes
Detection ClamAV: Pdf.Exploit.CVE_2010_0188-10 Obfuscation or payload: likely Carved artifact contains 1 long base64-like blob(s).

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