PDF malware analysis — malicious · cc3b0d43f88c11ff

MALICIOUS

PDF

18.0 KB Created: 2010-09-01 12:43:04 Authoring application: ramConi poutRam

MD5: 68bfbe54760a47b5f53f87e3f487eab9 SHA-1: 695fe670dc8fec83045707307d985d4f8b928dc5 SHA-256: cc3b0d43f88c11ffc1012be0379c08527455c721a35769884daf89e5d781e21d

138 Risk Score

Malware Insights

MITRE ATT&CK

T1059.001 PowerShell T1204.002 Malicious File

The PDF file contains XFA form elements with JavaScript that triggers a heap spray exploit. This exploit is designed to decompress and execute an embedded script payload, likely leading to the download and execution of a second-stage malicious file. The presence of XFA heap spray and embedded script markers strongly indicates a malicious intent to compromise the user's system.

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 0xF62	84 bytes
`embedded_file_obj0009.bin` `24c130f03a4cf51d470b536e94c1e58af67665739e200e0ce198ad41086243c0`	pdf-embedded-file	PDF EmbeddedFile object 9 at offset 0x1013	228 bytes
`embedded_file_obj0010.bin` `14088422fb64ebfefa07304c631b8f2faf06e9c2e7e28335669dd001a0c00b75`	pdf-embedded-file	PDF EmbeddedFile object 10 at offset 0x1106	25684 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 0x3F7E	199 bytes
`embedded_file_obj0012.bin` `36d7e0e7e9aeff7c3e23128a1c85e53372d81cce011f6f81c5881a4b02479675`	pdf-embedded-file	PDF EmbeddedFile object 12 at offset 0x406F	131 bytes
`embedded_file_obj0013.bin` `e6c26a3478346d27e841ad49868ebf68bf4c6863b6750e8d60bda3c4c6f79876`	pdf-embedded-file	PDF EmbeddedFile object 13 at offset 0x412C	77 bytes
`embedded_file_obj0014.bin` `92a3ce61d783e15932b5de127ce45a9b4c2f98f4da2453f65241573c1dda808a`	pdf-embedded-file	PDF EmbeddedFile object 14 at offset 0x41D3	56 bytes

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