PDF malware analysis — malicious · f58b17c97075b2a0

MALICIOUS

PDF

5.5 KB

MD5: e00905ee295d24e80388a2da98e73e98 SHA-1: 0bd762f5160c380288b0a2c210068c1c6e781f35 SHA-256: f58b17c97075b2a070dc0c51bcc1ddd24ee4e9564cfaac0e33e5d0d8688f0c81

190 Risk Score

Malware Insights

MITRE ATT&CK

T1204 Malicious Link T1204.001 Malicious Link: Malicious Link T1566 Phishing T1566.001 Phishing: Spearphishing Attachment T1566.002 Phishing: Spearphishing Link

The file is a PDF document identified as malicious by multiple heuristics and a machine learning classifier. It contains an embedded script payload and an embedded file, both flagged as suspicious. ClamAV specifically detects it as Pdf.Exploit.CVE_2010_0188-10, indicating exploitation of a known vulnerability. The embedded artifact is also flagged by ClamAV.

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` `1a031b1effcc95cf39d2fb13639f56d7edbe4a16e832e3c9a3a00ef73bffeea6`	pdf-embedded-file	PDF EmbeddedFile object 6 at offset 0x411	33629 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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