PDF malware analysis — malicious · 8d0610f96c266a31

MALICIOUS

PDF

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

MD5: 74fdf9fa5ad7acae39b48b5f31055e1f SHA-1: 0aec5cf84eaf60f8f8d42100b789f73f7912e457 SHA-256: 8d0610f96c266a316a2f771c94534acec3410ceaba9fbc7403ae1ac2c9987a3e

100 Risk Score

Malware Insights

MITRE ATT&CK

T1204.002 Malicious File: User Execution T1059.001 Command and Scripting Interpreter: PowerShell T1059.003 Command and Scripting Interpreter: Windows Command Shell

The PDF file contains an embedded JavaScript payload that is triggered by the CVE-2010-0188 exploit, targeting Adobe Reader. The extracted JavaScript file, stream_003_off00000391.js, is likely responsible for downloading and executing a second-stage payload. The heuristics indicate a critical vulnerability exploit and an embedded script payload, strongly suggesting 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 2

Files carved from inside the sample during analysis.

Filename	Kind	Source	Size
`embedded_file_obj0029.bin` `ab8973bec79968ff7d40c597ed7d9260ee4b5d716c24b3d2e0505dc377d9d408`	pdf-embedded-file	PDF EmbeddedFile object 29 at offset 0x2DB	94 bytes
`stream_003_off00000391.js` `579a4f81b9393fabf07dfbe93f4a5f220589d5e7f7d13e391542330a3e7c48f2`	decompressed-pdf-stream	PDF FlateDecoded stream at offset 0x391	54683 bytes
Detection ClamAV: No threats found Obfuscation or payload: likely Carved artifact contains 1 long base64-like blob(s).

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