PDF malware analysis — malicious · c05c4508f23a6b07

MALICIOUS

PDF

2.9 KB Created: 2005-09-29 09:27:34 UTC Authoring application: Adobe PDF Library 8.0

MD5: b2fae27c64ff0e4c199dc07856585983 SHA-1: d0d89a4ea5b150bf14ee3568c0fb860225ec7e51 SHA-256: c05c4508f23a6b07bed336a22c9c368e66011bc966caf46f739a3c18bb2cac73

162 Risk Score

Malware Insights

MITRE ATT&CK

T1204 Malicious File T1204.002 Malicious File: User Execution

The file is a PDF document that contains embedded JavaScript and an embedded file. The critical heuristic firing indicates exploitation of CVE-2010-0188, a known vulnerability in Adobe Reader related to XFA forms. This suggests the PDF is designed to exploit this vulnerability upon opening, likely to execute the embedded JavaScript or the embedded file, which is also flagged as suspicious. 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-36078 critical CLAMAV_DETECTION

ClamAV detected this file as malware: Pdf.Exploit.Agent-36078
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` `9b64e16269f07aa245a76e7b4a66e0a987e7a014ef2e4f67ecabd9aab9b4d15f`	pdf-embedded-file	PDF EmbeddedFile object 4 at offset 0x1C6	12827 bytes
Detection ClamAV: No threats found Obfuscation or payload: likely Carved artifact contains 1 long base64-like blob(s).

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