PDF malware analysis — malicious · e0700761a6cdddc2

MALICIOUS

PDF

20.4 KB Created: 2010-08-07 16:38:57 Authoring application: cadsOse oseHead

MD5: 3a2f14b70180f7449b90b058c7ea3a12 SHA-1: fe3412b6e84402344aed3bcc64defb92fef9e6f5 SHA-256: e0700761a6cdddc244b097cde8db4aa244de173639e0b719027f178c7a53fa3a

138 Risk Score

Malware Insights

MITRE ATT&CK

T1204.002 Malicious File T1059.001 Command and Scripting Interpreter: PowerShell

The PDF file contains XFA form elements that trigger a heap spray exploit via JavaScript. This script is designed to download and execute a second-stage payload, indicated by the embedded file artifact 'embedded_file_obj0010.bin'. The exploit targets vulnerabilities within the XFA processing engine, leading to arbitrary code execution.

Heuristics 6

XFA form contains risky executable script high CVE related PDF_XFA_SCRIPT

PDF embeds an XFA form whose script block contains exploit, submission/launch, or shell-execution primitives. Ordinary LiveCycle print/update scripts are left as generic XFA/JS signals unless stronger behavior is present.
XFA JavaScript heap-spray exploit code critical PDF_XFA_HEAP_SPRAY

PDF contains XFA script content with heap-spray or shellcode-like JavaScript markers such as large encoded word sequences, util.pack, large arrays, or spray variable names. This is a weaponised Adobe Reader exploit pattern, not a normal interactive form.
Embedded script payload in PDF stream medium PDF_EMBEDDED_SCRIPT_PAYLOAD

PDF stream bytes contain an HTML/XFA <script> tag without accompanying Windows shell-execution primitives — common in accessible XFA forms but worth surfacing for analyst review.
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
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 7

Files carved from inside the sample during analysis.

Filename	Kind	Source	Size
`embedded_file_obj0008.bin` `d81baa73e490e4cb879e13927cacd1dd1be37524a37eac51603e15117c578777`	pdf-embedded-file	PDF EmbeddedFile object 8 at offset 0x1164	84 bytes
`embedded_file_obj0009.bin` `24c130f03a4cf51d470b536e94c1e58af67665739e200e0ce198ad41086243c0`	pdf-embedded-file	PDF EmbeddedFile object 9 at offset 0x1215	228 bytes
`embedded_file_obj0010.bin` `562a9839ed53d2b81c3f107633359c29e600ccfb95ce4eb2b1cce40374df39da`	pdf-embedded-file	PDF EmbeddedFile object 10 at offset 0x1308	30285 bytes
Detection ClamAV: No threats found Obfuscation or payload: likely Carved artifact contains 3 eval/decoder/string-building token(s).
`embedded_file_obj0011.bin` `c97e0522381d6196cc0695f35f4d065f15c9c86a9601a7f776c6afd3f4c6b460`	pdf-embedded-file	PDF EmbeddedFile object 11 at offset 0x491E	199 bytes
`embedded_file_obj0012.bin` `14e3c71753c7eb0975197dc354a65f429b3855c7d19ebff903245cfdc42470c9`	pdf-embedded-file	PDF EmbeddedFile object 12 at offset 0x4A10	131 bytes
`embedded_file_obj0013.bin` `e6c26a3478346d27e841ad49868ebf68bf4c6863b6750e8d60bda3c4c6f79876`	pdf-embedded-file	PDF EmbeddedFile object 13 at offset 0x4AD1	77 bytes
`embedded_file_obj0014.bin` `92a3ce61d783e15932b5de127ce45a9b4c2f98f4da2453f65241573c1dda808a`	pdf-embedded-file	PDF EmbeddedFile object 14 at offset 0x4B78	56 bytes

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