PDF / .TMP malware analysis — malicious · 1b32403a8aa23b95

MALICIOUS

PDF / .TMP

4.0 KB

MD5: b1d785eb5b68a14047d3b86b1732bc4c SHA-1: dc818e54956fdc87340fbed2f26c0ec7e7e18875 SHA-256: 1b32403a8aa23b9587ec904bf00b8b8c7513fa32ff6de088c0cd7cf4d2b6ab3c

78 Risk Score

Malware Insights

MITRE ATT&CK

T1204.002 Malicious File: User Execution

The sample is a PDF file that utilizes XFA forms and the ASCII85Decode filter, both indicators of potential exploit delivery. Specifically, the critical heuristic firing for CVE-2010-0188 confirms that the PDF contains an embedded LibTIFF exploit targeting Adobe Reader. This exploit is designed to decompress and execute a malicious payload, likely leading to arbitrary code execution on the victim's system.

Heuristics 4

Adobe Reader LibTIFF XFA image exploit — CVE-2010-0188 critical CVE likely CVE_2010_0188

PDF contains XFA image data with an inline crafted TIFF payload and shellcode/delivery markers. This is the data-bound variant of the CVE-2010-0188 Adobe Reader LibTIFF/XFA exploit shape.
XFA form low PDF_XFA

PDF uses XML Forms Architecture — can contain script logic
ASCII85Decode filter (with exploit indicators) low PDF_FILTER_85

ASCII85 encoding filter present alongside exploit delivery indicators — uncommon outside of obfuscation
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_000_off000001e9.bin` `9b60c99d005f1e82ae00e6d6c8b688dd5934f06cf620e45d1a209e2d6cefe88a`	decompressed-pdf-stream	PDF FlateDecoded stream at offset 0x1E9	13469 bytes
Detection ClamAV: No threats found Obfuscation or payload: likely Carved artifact contains 1 long base64-like blob(s).

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