PDF malware analysis — malicious · 1f11dfaaca372a62

MALICIOUS

PDF

5.3 KB Created: 2012-06-11 17:19:01 Authoring application: Eop3

MD5: eb8c4d354fb40e6f0374e7d60804fc21 SHA-1: 5847456db9f58fbdf236e8aecbe93530ba8f5ee1 SHA-256: 1f11dfaaca372a62cbb2850408ff9b4044b5dc24ac65a8f70fef8d88e17fb026

102 Risk Score

Malware Insights

MITRE ATT&CK

T1204 Malicious Link T1204.001 Malicious Link: Malicious Link T1204.002 Malicious Link: Malicious File

The PDF file exploits CVE-2010-0188, a vulnerability in Adobe Reader related to LibTIFF XFA image processing. A JavaScript payload was extracted from a decompressed stream within the PDF. This payload is likely responsible for the malicious behavior, potentially downloading and executing further stages.

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_002_off0000031f.js` `13c12a92b02914596781ca6a7f1a226ff148a327f2d3ec700cae25cf4579b6a4`	decompressed-pdf-stream	PDF FlateDecoded stream at offset 0x31F	83701 bytes
Detection ClamAV: No threats found Obfuscation or payload: likely Carved artifact contains 2 long base64-like blob(s).

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