PDF malware analysis — malicious · d51e40d5888f590a

MALICIOUS

PDF

5.0 KB

MD5: 6028546f87445f65c93fee28482a74b2 SHA-1: 444c1abb307de677c9cbc9cc66e7b6ff3da67a1c SHA-256: d51e40d5888f590acf1c12ec0770792eb66f97f8db65bf91c50e87c139be50f4

80 Risk Score

Malware Insights

MITRE ATT&CK

T1203 Exploitation for Client Execution T1059.001 PowerShell

The PDF file contains a critical heuristic indicating exploitation of CVE-2010-0188, a known vulnerability in Adobe Reader's handling of LibTIFF XFA images. This exploit is designed to achieve code execution on the victim's machine. The embedded artifact, a decompressed PDF stream, likely contains the shellcode for this exploit. The attack pattern is therefore exploitation for client execution, with the ultimate goal of running a secondary payload.

Heuristics 5

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 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_off000002b0.bin` `8f63bab1e320f1a41edd29ac890e295282fe32011a59b8d63c118c233e70ac83`	decompressed-pdf-stream	PDF FlateDecoded stream at offset 0x2B0	47442 bytes
Detection ClamAV: No threats found Obfuscation or payload: likely Carved artifact contains 1 long base64-like blob(s).

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