PDF malware analysis — malicious · 7be762a199fe85da

MALICIOUS

PDF

5.5 KB Created: sdtres

MD5: dffe5fd91f846d876927cff1d24a7933 SHA-1: 18a08dfc2261e46dea54eeef824ca0b027832be5 SHA-256: 7be762a199fe85da072bfd917a17ffab0e7329b9d1760c7d694ed9953371c209

270 Risk Score

Malware Insights

MITRE ATT&CK

T1204.002 Malicious File T1059.001 PowerShell

The critical ClamAV detection 'Pdf.Exploit.CVE_2010_0188-10' strongly indicates exploitation of CVE-2010-0188. The PDF contains an embedded script payload and XFA forms, both flagged as risky. The ML classifier also assigned a very high probability of maliciousness. The embedded artifact was also detected by ClamAV.

Machine Learning

Nyx PDF Classifier malicious score 1.0000

Heuristics 8

XFA form contains risky executable script high CVE related PDF_XFA_SCRIPT

PDF embeds an XFA form whose script block contains exploit, submission/launch, or shell-execution primitives. Ordinary LiveCycle print/update scripts are left as generic XFA/JS signals unless stronger behavior is present.
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.
unescape() call high PDF_UNESCAPE

unescape() found — often used to decode shellcode in PDF JS exploits (matched inside decoded stream)
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_obj0011.bin` `e9e424ca7682e9b9a51bf717847eaa0ba277d52818c19e54850d76c0df125a42`	pdf-embedded-file	PDF EmbeddedFile object 11 at offset 0x435	33271 bytes
Detection ClamAV: Pdf.Exploit.CVE_2010_0188-10 Obfuscation or payload: likely Carved artifact contains 1 eval/decoder/string-building token(s).

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