Pdf.Dropper.Agent-7293118-0 PDF malware analysis — malicious · aed3ba5fcd875251

MALICIOUS

PDF

13.1 KB

MD5: 87930ced919da0f152b18df7f107a560 SHA-1: 55fb844d7ccf78bb2d91db79a2152afe48c20e22 SHA-256: aed3ba5fcd875251d598324a473b324bc2e76979e8861ddd0158d7bb83b46f12

138 Risk Score

Malware Insights

Pdf.Dropper.Agent-7293118-0 · confidence 95%

MITRE ATT&CK

T1059.001 JavaScript/JScript T1204.002 Malicious File

The PDF file contains embedded JavaScript that exploits CVE-2007-5659 using the Collab.collectEmailInfo method. The extracted JavaScript streams, legacy_pdfkit_stage_000.js and legacy_pdfkit_stage_001.js, indicate a multi-stage dropper mechanism. This dropper is designed to download and execute further malicious content, as suggested by the ClamAV detection name Pdf.Dropper.Agent-7293118-0.

Heuristics 5

Collab.collectEmailInfo — CVE-2007-5659 critical CVE exact CVE_2007_5659

PDF JavaScript calls Collab.collectEmailInfo — CVE-2007-5659 is a buffer overflow in Adobe Reader triggered by a long argument or heap-sprayed message field passed to Collab.collectEmailInfo(). Part of a series of Acrobat JS API exploits. (identified after JavaScript deobfuscation)
ClamAV: Pdf.Dropper.Agent-7293118-0 critical CLAMAV_DETECTION

ClamAV detected this file as malware: Pdf.Dropper.Agent-7293118-0
JavaScript action low PDF_JAVASCRIPT

PDF contains a /JavaScript action. Generic JavaScript is common in benign forms; specific dangerous APIs are scored by separate rules.
Embedded JS stream low PDF_JS

PDF references a /JS stream. Generic JavaScript is common in benign forms; specific dangerous APIs are scored by separate rules.
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 3

Files carved from inside the sample during analysis.

Filename	Kind	Source	Size
`javascript_obj0007_000.js` `bedd676af9bf2e3ca07f9e3a10d07bc561e9745801f30653ef176c0c1e7620a3`	pdf-javascript-stream	PDF /JS object 7 at offset 0x19D	336 bytes
`legacy_pdfkit_stage_000.js` `d7d2f0b536d239862851dfbef89c7a0ccb7692e2f8ad0278cd28bdc9e4bb015e`	deobfuscated-js	repeated-marker hex decoded JavaScript at offset 0x2EC	12136 bytes
Detection ClamAV: No threats found Obfuscation or payload: likely Carved artifact contains 1 long base64-like blob(s).
`legacy_pdfkit_stage_001.js` `5277e550208dce6c4264486cfd368c6aabf8b292c29c977ccc618c87d99780d5`	deobfuscated-js	repeated-marker hex decoded JavaScript at offset 0x2EC	5047 bytes
Detection ClamAV: No threats found Obfuscation or payload: likely Carved artifact contains 5 eval/decoder/string-building token(s).

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