PDF malware analysis — malicious · 2fa2fadbe7593dd8

MALICIOUS

PDF

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

MD5: 550406aed90b9a5d2c8ffc13bd52d291 SHA-1: e5c2aa4c12b4d88fe9563ed31791ad08adb36a56 SHA-256: 2fa2fadbe7593dd806d5f1ef77639c17c06e02134be9b5e1b869bd3640d2d92b

100 Risk Score

Malware Insights

MITRE ATT&CK

T1204.002 Malicious File T1059.001 PowerShell

The PDF file contains an embedded JavaScript payload that exploits CVE-2010-0188 in Adobe Reader. The heuristic firings indicate a critical vulnerability exploit and an embedded script payload. The extracted JavaScript file, stream_003_off000003ef.js, is likely responsible for the malicious execution.

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` `cbdb1af292f9c02677c4bcf007fda7ef55c85d6c272ea1adf357dee1b3f8b912`	pdf-embedded-file	PDF EmbeddedFile object 29 at offset 0x30B	157 bytes
Detection ClamAV: No threats found Obfuscation or payload: likely Carved artifact contains 1 long base64-like blob(s).
`stream_003_off000003ef.js` `a8efa9f3f31222f404c6255b6137aa8928147aacb613edd146f298b228eff99b`	decompressed-pdf-stream	PDF FlateDecoded stream at offset 0x3EF	44374 bytes
Detection ClamAV: No threats found Obfuscation or payload: likely Carved artifact contains 1 long base64-like blob(s).

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