PDF malware analysis — malicious · 3adc5990dc9c43cb

MALICIOUS

PDF

60.6 KB Created: 2012-06-11 17:19:01 Authoring application: Im9j

MD5: 01f0d8d36a4a0374a2343c73646a54c0 SHA-1: 580c5f65fbe1178843d25bfe51cacecca61cb7f5 SHA-256: 3adc5990dc9c43cb70dc2b19ecb0fabcbd9bd5a35d5bbee6d40cf5f558ad0fca

180 Risk Score

Malware Insights

MITRE ATT&CK

T1204.002 Malicious File T1059.001 PowerShell T1566.001 Spearphishing Attachment

This PDF document is malicious and exploits CVE-2010-0188, a vulnerability in Adobe Reader related to XFA forms. The heuristic firings indicate an embedded exploit payload within a decompressed stream. The document also contains an embedded XFA script, which is likely responsible for triggering the exploit. The unknown reputation URL is suspicious and may be related to the exploit delivery.

Heuristics 8

Adobe Reader LibTIFF XFA image exploit — CVE-2010-0188 critical CVE likely CVE_2010_0188

PDF contains the CVE-2010-0188 exploit template: XFA JavaScript heap-spray setup, a generated TIFF image payload, and assignment of that TIFF data to an XFA image field rawValue to trigger Adobe Reader's LibTIFF parser.
XFA form contains executable script high CVE related PDF_XFA_SCRIPT

PDF embeds an XFA form whose dataset contains a <script> or <xfa:script> block — XFA scripting has been the exploit primitive for several Adobe Reader RCEs (CVE-2010-0188 family, CVE-2018-4901, and others). Plain XFA without scripts is far less risky.
ClamAV: Pdf.Exploit.Dropped-97 critical CLAMAV_DETECTION

ClamAV detected this file as malware: Pdf.Exploit.Dropped-97
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
PDF differential parser failed info PDF_DIFFERENTIAL_PARSE_FAILED

The cross-check parser (pdfminer.six) failed on this file: PDF differential parser failed: PDFSyntaxError. Static heuristics still ran and any of their findings above are valid; only the differential cross-check signal is missing.
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.
Embedded URL info EMBEDDED_URL

One or more URLs were extracted from the document. The URL itself is not a detection — see the per-URL labels for which channel (macro, JS, link annotation, document body, ...) reached each URL.
URL http://ns.adobe.com/xd
- http://�wX.xfa.org/schema/xfa-template/2.2/

Extracted artifacts 1

Files carved from inside the sample during analysis.

Filename	Kind	Source	Size
`stream_001_off0000031f.bin` `d1f2f9f1df806ef1cb5ec7193907e5aff1e16eef42d3fd7ae1cccecc373da1b6`	decompressed-pdf-stream	PDF FlateDecoded stream at offset 0x31F	60274 bytes
Detection ClamAV: No threats found Obfuscation or payload: likely Carved artifact contains 1 long base64-like blob(s).

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