PDF malware analysis — malicious · b36b9aa543e9b3ef

MALICIOUS

PDF

69.2 KB

MD5: 56c29f24b5e4cda01ebe60231161c4dd SHA-1: af482aff7e1e1a64495d60e15cabd5c55a9ecf81 SHA-256: b36b9aa543e9b3efe0b85c9e05ac310b5124eaf7267eb7a7e7308fe3b6cecb47

96 Risk Score

Malware Insights

MITRE ATT&CK

T1203 Exploitation for Client Execution T1059.001 PowerShell

The PDF file contains embedded JavaScript and triggers the CVE-2010-0188 exploit, which targets Adobe Reader's LibTIFF component. This exploit is known to facilitate arbitrary code execution. The embedded file, 'embedded_file_obj0001.bin', is likely a secondary payload. The presence of XFA forms and AcroForm buttons further indicates a crafted document designed for exploitation.

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.
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
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. (matched inside decoded stream)
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
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` `dc1a00de515d60a965c0865af1575a712c3d12e9597dd36cdf1a31b4c2a1605b`	pdf-embedded-file	PDF EmbeddedFile object 1 at offset 0x52	182722 bytes
Detection ClamAV: No threats found Obfuscation or payload: likely Carved artifact contains 1 long base64-like blob(s).

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