PDF / .TMP malware analysis — malicious · f71b4c2b0d54113a

MALICIOUS

PDF / .TMP

56.9 KB

MD5: e3f548012f57cd8cd51b13517feb75b7 SHA-1: 2970467852cc49320ca75edf55f2fb327cc2f503 SHA-256: f71b4c2b0d54113a88ead28eb0e45bd66879c3b225c72573d428529f4bc49208

160 Risk Score

Malware Insights

MITRE ATT&CK

T1203 Exploitation for Client Execution T1059.001 PowerShell

The PDF file contains an embedded script payload and triggers a critical heuristic for the CVE-2010-0188 exploit, indicating it's designed to leverage this vulnerability in Adobe Reader for code execution. The presence of an embedded file further suggests a multi-stage attack. The obfuscated nature of the document body and the ClamAV detection of 'Heuristics.PDF.ObfuscatedNameObject' reinforce the malicious intent.

Heuristics 7

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.
ClamAV: Heuristics.PDF.ObfuscatedNameObject critical CLAMAV_DETECTION

ClamAV detected this file as malware: Heuristics.PDF.ObfuscatedNameObject
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: PSSyntaxError. 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
`embedded_file_obj0001.bin` `ed797ebf0c048fc6985ee09a40eefad52e8f74b5dc2cee2f2546e7099786a84a`	pdf-embedded-file	PDF EmbeddedFile object 1 at offset 0x104	25105 bytes
Detection ClamAV: No threats found Obfuscation or payload: likely Carved artifact contains 2 long base64-like blob(s).

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