PDF malware analysis — malicious · bba4529dad758e0b

MALICIOUS

PDF

8.6 KB Created: 2011-03-31 22:57:48 Authoring application: imp adz

MD5: 8062c1cf427484b2418980408bab1f0b SHA-1: 73c72e407fc9dbbaae0fbf5775249a9a1e5a69e8 SHA-256: bba4529dad758e0b30d7ae0d6f2f1c06548fca46a00e70d4237b18e02a15862c

78 Risk Score

Malware Insights

MITRE ATT&CK

T1059.001 PowerShell T1204.002 Malicious File

The PDF file contains embedded scripts and exhibits characteristics of exploiting XFA forms, as indicated by the 'PDF_XFA_SCRIPT' and 'PDF_EMBEDDED_SCRIPT_PAYLOAD' heuristics. The presence of an embedded file, specifically 'embedded_file_obj0005.bin', suggests it may contain a secondary payload. The document body's truncated and garbled nature prevents a more specific analysis of its lure, but the technical indicators point towards a malicious script execution.

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.
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_obj0002.bin` `d81baa73e490e4cb879e13927cacd1dd1be37524a37eac51603e15117c578777`	pdf-embedded-file	PDF EmbeddedFile object 2 at offset 0x8A4	84 bytes
`embedded_file_obj0011.bin` `24c130f03a4cf51d470b536e94c1e58af67665739e200e0ce198ad41086243c0`	pdf-embedded-file	PDF EmbeddedFile object 11 at offset 0x956	228 bytes
`embedded_file_obj0013.bin` `c97e0522381d6196cc0695f35f4d065f15c9c86a9601a7f776c6afd3f4c6b460`	pdf-embedded-file	PDF EmbeddedFile object 13 at offset 0xA47	199 bytes
`embedded_file_obj0012.bin` `6b74d59ef3f02b4b83fa6415bfc71f445fc59c725992c2b4da1c1aa30f4108a3`	pdf-embedded-file	PDF EmbeddedFile object 12 at offset 0xB39	174 bytes
`embedded_file_obj0006.bin` `e6c26a3478346d27e841ad49868ebf68bf4c6863b6750e8d60bda3c4c6f79876`	pdf-embedded-file	PDF EmbeddedFile object 6 at offset 0xC26	77 bytes
`embedded_file_obj0017.bin` `92a3ce61d783e15932b5de127ce45a9b4c2f98f4da2453f65241573c1dda808a`	pdf-embedded-file	PDF EmbeddedFile object 17 at offset 0xCCD	56 bytes
`embedded_file_obj0005.bin` `2b0a2050ac9d5d95d192b3d1ac7fbc838b9c33238177299c9cec8a51135a4547`	pdf-embedded-file	PDF EmbeddedFile object 5 at offset 0x1006	6445 bytes
Detection ClamAV: No threats found Obfuscation or payload: likely Carved artifact contains 4 long base64-like blob(s).

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