PDF malware analysis — malicious · c9c79b9dcdcdf6bc

MALICIOUS

PDF

2.5 KB

MD5: 7527303f15430618ab2fa49dc8a0a640 SHA-1: 5e278c9dae6f5909bf0c9ca1f087ff4932739266 SHA-256: c9c79b9dcdcdf6bc93338d145d26a74ba72a8705b75b491796e89c89883ae1a4

102 Risk Score

Malware Insights

MITRE ATT&CK

T1204 Malicious File T1059.007 JavaScript

The PDF file contains embedded JavaScript and is flagged for exploiting CVE-2010-0188, a vulnerability in Adobe Reader related to XFA forms. The embedded JavaScript stream, javascript_obj0007_000.js, is likely responsible for executing the exploit and downloading a secondary payload. An embedded binary file, embedded_file_obj0001.bin, was also extracted, which may be part of the malicious payload.

Heuristics 7

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.
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 2

Files carved from inside the sample during analysis.

Filename	Kind	Source	Size
`embedded_file_obj0001.bin` `f6dc01e7a352c109b0933f1e2e6006d05f8961f12b9f860ee49e6d9ca3ad09e9`	pdf-embedded-file	PDF EmbeddedFile object 1 at offset 0x52	13330 bytes
Detection ClamAV: No threats found Obfuscation or payload: likely Carved artifact contains 1 long base64-like blob(s).
`javascript_obj0007_000.js` `3b6ce2451c02beb6164ac8959b6c9d31514da75addb78fcdc0adc66147a5656b`	pdf-javascript-stream	PDF /JS object 7 at offset 0x8AA	109 bytes

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