PDF malware analysis — malicious · a91fbb29f2361e3d

MALICIOUS

PDF

4.5 KB

MD5: ec7f7b4b1806ba9af84c6950bdd2a107 SHA-1: 8ae91c69e3bfb74cb01ec6415367b0fb168f28dd SHA-256: a91fbb29f2361e3ddb137a0e9c58dd0421b042b6fcf6bc746c796726a4188519

80 Risk Score

Malware Insights

MITRE ATT&CK

T1204.002 Malicious File T1566.001 Spearphishing Attachment T1204 User Execution

The PDF file contains an embedded TIFF image that exploits the CVE-2010-0188 vulnerability in Adobe Reader. This vulnerability allows for arbitrary code execution when the document is opened. The embedded file is likely a second-stage payload, though its specific function cannot be determined from the static analysis alone.

Heuristics 5

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.
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` `730ebe7fdf97208d62df97b174aea974e7ec98491d378053ef85ca5d77a8ff77`	pdf-embedded-file	PDF EmbeddedFile object 1 at offset 0x51	13433 bytes
Detection ClamAV: No threats found Obfuscation or payload: likely Carved artifact contains 1 long base64-like blob(s).

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