PDF / .TXT malware analysis — malicious · afaa6172fdbb9eb3

MALICIOUS

PDF / .TXT

3.4 KB

MD5: a05a26ad4fb3837674123c55925a898d SHA-1: aca615cfc844bc58f01b59f882308e5163d10cdc SHA-256: afaa6172fdbb9eb3b16331c5c3ecbaf7fb23a83112395de0b7f5feeb0b3b3c17

78 Risk Score

Malware Insights

MITRE ATT&CK

T1203 Exploitation for Client Execution

The sample is a PDF file that contains an XFA form and utilizes the ASCII85Decode filter. Static analysis identified a critical heuristic match for CVE-2010-0188, indicating an exploit targeting a vulnerability in Adobe Reader's LibTIFF component. This exploit is embedded within an XFA image/tif payload, suggesting the primary goal is to achieve arbitrary code execution on the victim's machine through a vulnerable PDF reader.

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` `62914ccfae1eb57433e3e4dcac99e619cd5a33744008bd8acbb0b9acde7569ab`	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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