PDF malware analysis — malicious · a6afcf78ea857a97

MALICIOUS

PDF

5.5 KB

MD5: 16d5e20d63a8da933adc669dc7114cd7 SHA-1: 41b2855f65a1f6ee0c4dddacc665c1805532c8a6 SHA-256: a6afcf78ea857a97102afb91422f6082fc89d09471c6d668e3993b4cfa09aef9

188 Risk Score

Malware Insights

MITRE ATT&CK

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

The PDF file contains an embedded script payload and is flagged by multiple heuristics and ClamAV as malicious, specifically detecting the CVE-2010-0188 exploit. The ML classifier also strongly indicates maliciousness. The embedded artifact 'embedded_file_obj0006.bin' is likely the delivered payload. The document body content is unreadable and does not provide further context on the lure.

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` `cf1ac73f1d4f807ff1c148750477e18a27ea3eff5d7a705d32b0c2c6a4bb16ed`	pdf-embedded-file	PDF EmbeddedFile object 6 at offset 0x411	33552 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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