PDF malware analysis — malicious · bda4b324139c8a4a

MALICIOUS

PDF

5.0 KB

MD5: 2c57a817ef3357b9a2e8825c374981d4 SHA-1: 304ff155675338e9f36ec46e566e28994b26d9e6 SHA-256: bda4b324139c8a4a1471815989eab52ec02db9f98298c74a91c4f2f8c7496d7a

320 Risk Score

Malware Insights

MITRE ATT&CK

T1059.001 PowerShell T1204.001 Malicious Link T1204.002 Malicious File

This PDF file contains embedded JavaScript that leverages multiple known CVE vulnerabilities (CVE-2009-4324, CVE-2009-0927, CVE-2007-5659, CVE-2008-2992) related to PDF object handling and JavaScript execution. The primary intent appears to be the exploitation of these vulnerabilities to achieve arbitrary code execution, likely leading to the download and execution of a secondary payload. The specific vulnerabilities targeted indicate a sophisticated exploit chain designed to bypass PDF reader security measures.

Heuristics 8

media.newPlayer — CVE-2009-4324 critical CVE exact CVE_2009_4324

PDF JavaScript calls media.newPlayer — CVE-2009-4324 is a use-after-free in Adobe Reader's multimedia plugin triggered by media.newPlayer(). Actively exploited as a zero-day in December 2009. (identified after JavaScript deobfuscation)
Collab.getIcon — CVE-2009-0927 critical CVE exact CVE_2009_0927

PDF JavaScript calls Collab.getIcon — CVE-2009-0927 is a stack buffer overflow in Adobe Reader triggered by Collab.getIcon() with a crafted argument. Allows arbitrary code execution. (identified after JavaScript deobfuscation)
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)
util.printf — CVE-2008-2992 critical CVE exact CVE_2008_2992

PDF JavaScript calls util.printf() — CVE-2008-2992 is a stack buffer overflow in Adobe Reader triggered by a long format-specifier argument. Widely exploited in the wild after disclosure. (identified after JavaScript deobfuscation)
ClamAV: Pdf.Exploit.Agent-36895 critical CLAMAV_DETECTION

ClamAV detected this file as malware: Pdf.Exploit.Agent-36895
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 2

Files carved from inside the sample during analysis.

Filename	Kind	Source	Size
`javascript_obj0014_000.js` `89bb4577c1a44a09c65ae01d693cbb4c397fb351a2194d11235775a6b2d81b3c`	pdf-javascript-stream	PDF /JS object 14 at offset 0x1070	738 bytes
`info_stride_js_000.js` `3767b8bce4e25df8fece8af873945a400a38bb169dd1fc7a5059675e59ac623f`	deobfuscated-js	PDF /Info fields via stride 5	6487 bytes
Detection ClamAV: No threats found Obfuscation or payload: likely Carved artifact contains 12 eval/decoder/string-building token(s). Carved artifact contains 1 long base64-like blob(s).

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