PDF malware analysis — malicious · 98cea8f27262ddc3

MALICIOUS

PDF

2.9 KB Created: 2005-09-29 09:27:34 UTC Authoring application: Acrobat Distiller 8.2.0 (Windows)

MD5: 8e211ab40b4fd0efd7c1561ba01c27f7 SHA-1: b4565b31684d21f976e879586465c59cba4f556b SHA-256: 98cea8f27262ddc3158e5bf0618c4518a8b84b696e9d0c3a3f9700935899f19b

162 Risk Score

Malware Insights

MITRE ATT&CK

T1203 Exploitation for Client Execution

The PDF file contains embedded JavaScript and an embedded file, which are indicators of malicious activity. The critical heuristic firing for CVE-2010-0188 specifically identifies an Adobe Reader LibTIFF XFA image exploit. This suggests the document is designed to exploit this vulnerability upon opening in a vulnerable version of Adobe Reader, leading to the execution of a malicious payload. The ClamAV detection further confirms its malicious nature.

Heuristics 8

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.
ClamAV: Pdf.Exploit.Agent-36015 critical CLAMAV_DETECTION

ClamAV detected this file as malware: Pdf.Exploit.Agent-36015
JavaScript action low PDF_JAVASCRIPT

PDF contains a /JavaScript action. Generic JavaScript is common in benign forms; specific dangerous APIs are scored by separate rules.
Embedded JS stream low PDF_JS

PDF references a /JS stream. Generic JavaScript is common in benign forms; specific dangerous APIs are scored by separate rules.
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
AcroForm button with action trigger low PDF_ACROFORM_BUTTON

PDF contains a /Btn form field together with a SubmitForm/URI/Launch/JS trigger — this is the building block of fake 'Download' or 'Open' button overlays used in PDF phishing lures
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_obj0004.bin` `0bdb1fc6ba6b90a7edb4bb2aa1dace01c59fea43a51d4dfbb8147bc7e9ddb604`	pdf-embedded-file	PDF EmbeddedFile object 4 at offset 0x1D5	12826 bytes
Detection ClamAV: No threats found Obfuscation or payload: likely Carved artifact contains 1 long base64-like blob(s).

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