PDF malware analysis — malicious · b3b1e918b5f098ce

MALICIOUS

PDF

2.6 KB

MD5: 4d97e8d6c2fdc0c1bac9c27e421e8f8e SHA-1: 1c92f34adae85166b45bdc3e7bf0951c7f8b3585 SHA-256: b3b1e918b5f098ce357c17d7dfb9113e4e32ccfec7f7e5bea74add4e96bdbb43

138 Risk Score

Malware Insights

MITRE ATT&CK

T1204 Malicious File T1204.002 Malicious File: User Execution T1566 Phishing T1566.001 Phishing: Spearphishing Attachment T1566.002 Phishing: Spearphishing Link

The PDF file contains an embedded object and triggers the CVE-2010-0188 exploit, indicating it is designed to deliver a malicious payload upon opening in a vulnerable version of Adobe Reader. The ClamAV detection further confirms its malicious nature. The embedded file, named 'embedded_file_obj0001.bin', is likely the second-stage payload.

Heuristics 5

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

PDF contains XFA image data with an inline crafted TIFF payload and shellcode/delivery markers. This is the data-bound variant of the CVE-2010-0188 Adobe Reader LibTIFF/XFA exploit shape.
ClamAV: Pdf.Exploit.Dropped-90 critical CLAMAV_DETECTION

ClamAV detected this file as malware: Pdf.Exploit.Dropped-90
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
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 1

Files carved from inside the sample during analysis.

Filename	Kind	Source	Size
`embedded_file_obj0001.bin` `a0a75ec251b2802e9f1c973756de135d43dd7871ac8385284a8c32f57ea71fd9`	pdf-embedded-file	PDF EmbeddedFile object 1 at offset 0x5D	13473 bytes
Detection ClamAV: No threats found Obfuscation or payload: likely Carved artifact contains 1 long base64-like blob(s).

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