PDF malware analysis — malicious · bca045b88955b394

MALICIOUS

PDF

5.6 KB

MD5: 210b265142bf97615f2b9deb175b1cc3 SHA-1: aae94cfedb73fd37ad04f5bc56c34713a744e09e SHA-256: bca045b88955b3943797f45ddf5b251be18d663cc40d9ecec0d297fcad0e0f4f

190 Risk Score

Malware Insights

MITRE ATT&CK

T1204.002 Malicious File T1566.001 Spearphishing Attachment T1027 Obfuscated Files or Information

The PDF file contains an embedded script payload and is flagged by multiple heuristics, including ClamAV detection for Pdf.Exploit.CVE_2010_0188-10. An ML classifier also assigned a very high probability of maliciousness. The embedded artifact, 'embedded_file_obj0006.bin', likely contains the secondary stage of the attack, which is common for exploits targeting CVE-2010-0188.

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` `943e4ccb3f9e084b0ff0ad729919cb788ca412d9a815293f3487e806e7996d0c`	pdf-embedded-file	PDF EmbeddedFile object 6 at offset 0x411	33727 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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