PDF malware analysis — malicious · 790daede63c16d69

MALICIOUS

PDF

17.8 KB Created: 2010-08-29 16:19:36 Authoring application: styeZek colSnap

MD5: 5ef1f4b9c93b24eb2fa721cb4ed5f020 SHA-1: 6077c25587671a6c35a7305f43f21ffd17efe83c SHA-256: 790daede63c16d690e5ed395cff3de7782cdc65702ab1cc2b0b1cd4cfdd546fb

136 Risk Score

Malware Insights

MITRE ATT&CK

T1204 Malicious Link T1204.002 Malicious File T1059 Command and Scripting Interpreter

The critical heuristic 'CLAMAV_DETECTION: Pdf.Exploit.Dropped-81' indicates the file is a known malicious PDF exploit. The presence of 'PDF_XFA_SCRIPT' and 'PDF_EMBEDDED_SCRIPT_PAYLOAD' heuristics confirms that the PDF contains executable script content, likely responsible for delivering the exploit. The embedded file objects are also suspicious, suggesting a dropper functionality.

Heuristics 5

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.
ClamAV: Pdf.Exploit.Dropped-81 critical CLAMAV_DETECTION

ClamAV detected this file as malware: Pdf.Exploit.Dropped-81
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

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 0x213	84 bytes
`embedded_file_obj0009.bin` `24c130f03a4cf51d470b536e94c1e58af67665739e200e0ce198ad41086243c0`	pdf-embedded-file	PDF EmbeddedFile object 9 at offset 0x2C4	228 bytes
`embedded_file_obj0010.bin` `eb56f32a1e865c7f30563cf3193833ef3de5a4ac783f4e22426db0b737bab0df`	pdf-embedded-file	PDF EmbeddedFile object 10 at offset 0x3B7	1382 bytes
`embedded_file_obj0011.bin` `c97e0522381d6196cc0695f35f4d065f15c9c86a9601a7f776c6afd3f4c6b460`	pdf-embedded-file	PDF EmbeddedFile object 11 at offset 0x6EA	199 bytes
`embedded_file_obj0012.bin` `6ebd952bce83d42e3f15f7bdf7b9573465cadb005c13890743168a1894d24325`	pdf-embedded-file	PDF EmbeddedFile object 12 at offset 0x7DC	34222 bytes
`embedded_file_obj0013.bin` `e6c26a3478346d27e841ad49868ebf68bf4c6863b6750e8d60bda3c4c6f79876`	pdf-embedded-file	PDF EmbeddedFile object 13 at offset 0x428A	77 bytes
`embedded_file_obj0014.bin` `92a3ce61d783e15932b5de127ce45a9b4c2f98f4da2453f65241573c1dda808a`	pdf-embedded-file	PDF EmbeddedFile object 14 at offset 0x4331	56 bytes

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