MALICIOUS
76
Risk Score
Malware Insights
MITRE ATT&CK
T1204.002 Malicious File
T1059.001 PowerShell
The sample is a PDF document that contains embedded JavaScript and exploits the CVE-2008-2551 vulnerability. This exploit is known to download and execute a secondary payload from a remote URL. The embedded URL http://artisanballoonz.com/system/system.exe is highly suspicious and likely hosts the secondary payload. The PDF_JS heuristic also indicates the presence of embedded JavaScript, which could be used to facilitate the exploit or download.
Heuristics 4
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C6 Messenger DownloaderActiveX exploit critical CVE exact CVE_2008_2551PDF stream bytes contain HTML/ActiveX content configuring the vulnerable C6 Messenger DownloaderActiveX control with propDownloadUrl and propPostDownloadAction=run. This is the published exploit shape for CVE-2008-2551.
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Embedded JS stream low PDF_JSPDF references a /JS stream. Generic JavaScript is common in benign forms; specific dangerous APIs are scored by separate rules.
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Optional Content Group with action trigger low PDF_OPTIONAL_CONTENTOptional Content Group (layer) co-occurs with an action trigger — content can be selectively hidden from viewers or scanners while the action still fires on open
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Embedded URL info EMBEDDED_URLOne 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://artisanballoonz.com/system/system.exe
- http://c6.community.alice.it/download/DownloaderActiveX.cab#Version=1,0,0,1
Extracted artifacts 1
Files carved from inside the sample during analysis.
| Filename | Kind | Source | Size |
|---|---|---|---|
stream_002_off000006af.bin80ce46be3b4d5733393d911e720cc341eac961413bc8841086c1643fee9fc14b |
decompressed-pdf-stream | PDF FlateDecoded stream at offset 0x6AF | 73272 bytes |
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