PDF malware analysis — malicious · ee83ee427cc8aae4

MALICIOUS

PDF

4.2 KB

MD5: e4603b99e8a3a31c3e1de227c1ad8256 SHA-1: e059d7cf74419d1c8d101c13e15c23c66991397d SHA-256: ee83ee427cc8aae4426100d62c5c51054df7201320d425479e37d375b6a7a085

128 Risk Score

Malware Insights

MITRE ATT&CK

T1204.002 Malicious File T1566.002 Spearphishing Attachment

The PDF file contains an embedded script payload and triggers the CVE-2010-0188 exploit for Adobe Reader. The ML classifier also strongly indicates maliciousness. The primary attack vector appears to be exploiting a known vulnerability in PDF viewers to execute arbitrary code.

Machine Learning

Nyx PDF Classifier malicious score 1.0000

Heuristics 4

Adobe Reader LibTIFF XFA image exploit — CVE-2010-0188 critical CVE likely CVE_2010_0188

PDF contains the CVE-2010-0188 exploit template: XFA JavaScript heap-spray setup, a generated TIFF image payload, and assignment of that TIFF data to an XFA image field rawValue to trigger Adobe Reader's LibTIFF parser.
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

Extracted artifacts 1

Files carved from inside the sample during analysis.

Filename	Kind	Source	Size
`embedded_file_obj0008.bin` `9f21978ba739f08c60f57d085c07a0b06a61004081cd79d1c9f69f88eba81a19`	pdf-embedded-file	PDF EmbeddedFile object 8 at offset 0xEA	12889 bytes

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