PDF malware analysis — malicious · a1aaee5738231044

MALICIOUS

PDF

5.1 KB Created: 2003-03-03 59:56:01

MD5: 592377e03877cd0fe3dab3d9db9ec8f5 SHA-1: 43a3cf492e583fee93ffd2e5c02db4ef7dc3d8e3 SHA-256: a1aaee57382310441ab25f62693b8897aecbed2e2c03552e0c4b2ee030040370

100 Risk Score

Malware Insights

MITRE ATT&CK

T1203 Exploitation for Client Execution T1059.001 PowerShell

The sample is a PDF file that exploits CVE-2010-0188, a known vulnerability in Adobe Reader related to XFA forms. A JavaScript payload was extracted from a decompressed stream, indicating that the exploit likely downloads and executes a second-stage payload. The embedded file and the JavaScript stream are the primary indicators of compromise.

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 2

Files carved from inside the sample during analysis.

Filename	Kind	Source	Size
`embedded_file_obj0029.bin` `8a09fcd6cb43eee0c5e713c37219b8f3f29d79d149f95609937df4587ed5eb4a`	pdf-embedded-file	PDF EmbeddedFile object 29 at offset 0x2FE	199 bytes
Detection ClamAV: No threats found Obfuscation or payload: likely Carved artifact contains 1 long base64-like blob(s).
`stream_003_off00000404.js` `9476c24ce11ce211cd3d215bc4b9b35da252149b8981ee2423ae923bc6af6103`	decompressed-pdf-stream	PDF FlateDecoded stream at offset 0x404	44168 bytes
Detection ClamAV: No threats found Obfuscation or payload: likely Carved artifact contains 1 long base64-like blob(s).

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