PDF malware analysis — malicious · ccd92e7c6f5635f1

MALICIOUS

PDF

18.1 KB Created: 2010-08-31 12:29:24 Authoring application: bullPod agaBoor

MD5: 4cc46d93c5c72b2d8f3f4805e716d578 SHA-1: ce02b41423e854cea22e880cff3f19686bbb1e9a SHA-256: ccd92e7c6f5635f1fda1916e8aef2fb71ab858fa7b9d9920f591f08a01a76e69

138 Risk Score

Malware Insights

The PDF file contains XFA (XML Forms Architecture) which is known to be vulnerable to heap spray attacks. The heuristic 'PDF_XFA_HEAP_SPRAY' indicates the presence of exploit code designed to leverage this vulnerability. Additionally, 'PDF_EMBEDDED_SCRIPT_PAYLOAD' and 'PDF_XFA_SCRIPT' confirm that executable script content is present within the XFA form, likely intended to download and execute a secondary payload, as suggested by the embedded file artifact 'embedded_file_obj0010.bin'.

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 0x1041	84 bytes
`embedded_file_obj0009.bin` `24c130f03a4cf51d470b536e94c1e58af67665739e200e0ce198ad41086243c0`	pdf-embedded-file	PDF EmbeddedFile object 9 at offset 0x10F2	228 bytes
`embedded_file_obj0010.bin` `319367db48718837819bd83c8ab2d50187ebdd58c7a68999ca630e7f6fd45f09`	pdf-embedded-file	PDF EmbeddedFile object 10 at offset 0x11E5	25836 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 0x4023	199 bytes
`embedded_file_obj0012.bin` `9a2a4a8a0ee4653d3b4ee700d4438a80b321b4bf3cdab2e745c128c632ff6d33`	pdf-embedded-file	PDF EmbeddedFile object 12 at offset 0x4114	131 bytes
`embedded_file_obj0013.bin` `e6c26a3478346d27e841ad49868ebf68bf4c6863b6750e8d60bda3c4c6f79876`	pdf-embedded-file	PDF EmbeddedFile object 13 at offset 0x41D1	77 bytes
`embedded_file_obj0014.bin` `92a3ce61d783e15932b5de127ce45a9b4c2f98f4da2453f65241573c1dda808a`	pdf-embedded-file	PDF EmbeddedFile object 14 at offset 0x4278	56 bytes

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