PDF malware analysis — malicious · b43981242ef5f59b

MALICIOUS

PDF

5.1 KB Created: 2002-02-02 59:55:01 Authoring application: e

MD5: 0cecf83f2c8266f4a1f961bfc276f873 SHA-1: e217942eb6a4af7e3f6182b2fca78b376513fab0 SHA-256: b43981242ef5f59be4929bf212509bb2ab62b4608c7cd97187c0f20aeffaea45

100 Risk Score

Malware Insights

MITRE ATT&CK

T1204.002 Malicious File T1059.001 PowerShell T1059.003 Windows Command and Shell

The PDF file contains an embedded JavaScript payload that is triggered by the CVE-2010-0188 exploit. The heuristic 'CVE_2010_0188' directly indicates exploitation of this vulnerability. The embedded JavaScript file, 'stream_003_off00000360.js', is the likely second-stage payload. The document body is unreadable, but the exploit and embedded script are sufficient indicators of malicious intent.

Heuristics 6

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
PDF differential parser failed info PDF_DIFFERENTIAL_PARSE_FAILED

The cross-check parser (pdfminer.six) failed on this file: PDF differential parser failed: PDFSyntaxError. Static heuristics still ran and any of their findings above are valid; only the differential cross-check signal is missing.
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
`stream_003_off00000360.js` `e9db075bac9ce39d8f74694e2fcdbd77bd3af090d8a2ffa7496cfbeeb22b3367`	decompressed-pdf-stream	PDF FlateDecoded stream at offset 0x360	52620 bytes
Detection ClamAV: No threats found Obfuscation or payload: likely Carved artifact contains 1 long base64-like blob(s).

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