PDF malware analysis — malicious · 45147c881bba5e84

MALICIOUS

PDF

5.1 KB Created: 2012-06-11 17:19:01 Authoring application: pct

MD5: 1863fe5096bb726f79999b8f6416fb40 SHA-1: 88d637cd7aa7af1d2eb7f362d8580f7f9c358a50 SHA-256: 45147c881bba5e84575eb782a3aac5aa3e045f4464f11da6d9911594b0615596

100 Risk Score

Malware Insights

MITRE ATT&CK

T1204.002 Malicious File T1059.001 PowerShell

The PDF file exploits CVE-2010-0188 in Adobe Reader, a known vulnerability for arbitrary code execution. A decompressed JavaScript payload was extracted from the PDF stream, indicating the likely intent to download and execute a second-stage payload. The file's structure and the embedded script suggest a malicious dropper.

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_off0000031c.js` `0f7930e6be410076d7dbfd5312c73326ba9927abad124f05746fb35f36b12f8a`	decompressed-pdf-stream	PDF FlateDecoded stream at offset 0x31C	60810 bytes
Detection ClamAV: No threats found Obfuscation or payload: likely Carved artifact contains 1 long base64-like blob(s).

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