PDF malware analysis — malicious · c4f7f4f4feb6adba

MALICIOUS

PDF

5.0 KB

MD5: 4bb77fcde2fcb47f82d91d0df1eeb526 SHA-1: cd1c5871b68d3016c80fbfb4a5096cf00f97d001 SHA-256: c4f7f4f4feb6adbadee921a18943ae17b586a81e4d329ef2b491a895b9806fbd

80 Risk Score

Malware Insights

MITRE ATT&CK

T1203 Exploitation for Client Execution

The sample is a PDF document that exploits the CVE-2010-0188 vulnerability in Adobe Reader. This vulnerability allows for arbitrary code execution when a user opens a specially crafted PDF file. The critical heuristic firing directly indicates this exploit. No document body text or scripts were extracted, but the exploit itself is sufficient to classify the attack pattern.

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_001_off000002b0.bin` `aac18552c3dc291c4326dd525c2eac6f71c52a4d8db7c50e9387c6381080be45`	decompressed-pdf-stream	PDF FlateDecoded stream at offset 0x2B0	47397 bytes
Detection ClamAV: No threats found Obfuscation or payload: likely Carved artifact contains 1 long base64-like blob(s).

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