PDF malware analysis — malicious · 457801999bd0aab5

MALICIOUS

PDF

2.5 KB

MD5: 0a66a1e3390a8084cd7cfa6dca31058c SHA-1: e5e9d3d8fd634b0ac277864705d1ea86c2988cfb SHA-256: 457801999bd0aab5d594a384b06552305140ea9c423b16790bc4f60adf98fe1b

102 Risk Score

Malware Insights

MITRE ATT&CK

T1204 Malicious File T1204.002 Malicious File: User Execution: Malicious Attachment T1566 Phishing T1566.001 Phishing: Spearphishing Attachment T1203 Exploitation for Client Execution

The PDF file contains an embedded JavaScript stream and an embedded file, both of which are suspicious. The critical heuristic firing indicates the presence of the CVE-2010-0188 exploit, which targets a vulnerability in Adobe Reader's handling of XFA forms. This exploit is designed to download and execute a second-stage payload. The embedded JavaScript likely facilitates this execution.

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 0x6E	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 0x8C6	109 bytes

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