PDF malware analysis — malicious · a7afaad5c7c02cf0

MALICIOUS

PDF

128.5 KB

MD5: b071f1ff23dcdf7ad6a140a578f38629 SHA-1: a61dd7641270d718e488c7881025df1862026c28 SHA-256: a7afaad5c7c02cf090e0df0d9d718336b235467b59b8441301ce0b6b402d07d4

80 Risk Score

Malware Insights

MITRE ATT&CK

T1203 Exploitation for Client Execution T1059.001 PowerShell

The PDF file contains a critical heuristic indicating exploitation of CVE-2010-0188, a known vulnerability in Adobe Reader related to LibTIFF XFA images. This suggests the document is designed to deliver a malicious payload upon opening in a vulnerable reader. No scripts were extracted, and the document body was heavily truncated and unreadable, preventing further analysis of the specific lure or payload. The embedded file 'embedded_file_obj0001.bin' is likely the secondary payload.

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` `5cef019c1335cf413c3b764f8bf6d3d305a45c6872e36866b22ef0163fce9c50`	pdf-embedded-file	PDF EmbeddedFile object 1 at offset 0x51	13430 bytes
Detection ClamAV: No threats found Obfuscation or payload: likely Carved artifact contains 1 long base64-like blob(s).

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