PDF malware analysis — malicious · 2a6e378021fa27f3

MALICIOUS

PDF

2.9 KB Created: 2005-09-29 09:27:34 UTC Authoring application: Acrobat Distiller 8.1.0 (Windows)

MD5: a6bc5b278b86f92ed8a8eea08b422865 SHA-1: 75feeddfb2e73c35ac7a86f9d04a68d443891d3d SHA-256: 2a6e378021fa27f3224c5f733925129fdc35718aa7492547a870afa367365b27

162 Risk Score

Malware Insights

MITRE ATT&CK

T1203 Exploitation for Client Execution

The PDF file contains embedded JavaScript and an embedded file, triggering heuristics for PDF_JAVASCRIPT, PDF_JS, and PDF_EMBEDDED. Crucially, it fires critical heuristics for CVE_2010_0188, indicating exploitation of a LibTIFF vulnerability within Adobe Reader's XFA processing. This suggests the primary attack pattern is to leverage this exploit to execute arbitrary code, likely from the embedded file or script. 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 1 related finding 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` `fc19d08ccaba5224307a6e539da81c49f1025da4b185e6fddacd8685159f9f6f`	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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