PDF malware analysis — malicious · 7d7950e094be6d31

MALICIOUS

PDF

12.0 KB

MD5: e5b07ccfe8a79dbd1e670794da0de8b4 SHA-1: efe98d6b69447373636a0588f045cca3369c24e5 SHA-256: 7d7950e094be6d31cbc89235631e320f05a994b91bdabcfba454a256440df8b6

138 Risk Score

Malware Insights

MITRE ATT&CK

T1204.002 Malicious File T1059.001 JavaScript

The PDF file contains embedded JavaScript and triggers a critical heuristic for CVE-2007-5659, indicating it exploits a known vulnerability. The presence of deobfuscated JavaScript files suggests the script is designed to download and execute further malicious content. The ClamAV detection further supports its malicious nature.

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.Exploit.Agent-36062 critical CLAMAV_DETECTION

ClamAV detected this file as malware: Pdf.Exploit.Agent-36062
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` `068944f8c011a88ab770b45c6de142b9305a1f515d410204d5eadd9ac2b5bfb3`	pdf-javascript-stream	PDF /JS object 7 at offset 0x19B	373 bytes
`legacy_pdfkit_stage_000.js` `6350464eb62a5e92a52bcc3cfdc3d75bd060fcd56d851ea36e0e40a37c87bcdc`	deobfuscated-js	repeated-marker hex decoded JavaScript at offset 0x2F5	11877 bytes
Detection ClamAV: No threats found Obfuscation or payload: likely Carved artifact contains 1 long base64-like blob(s).
`legacy_pdfkit_stage_001.js` `7aff7578365c8bc30a96efa2b6719432b846d84d936b517641ea627a1a1d3572`	deobfuscated-js	repeated-marker hex decoded JavaScript at offset 0x2F5	4877 bytes
Detection ClamAV: No threats found Obfuscation or payload: likely Carved artifact contains 5 eval/decoder/string-building token(s).

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