PDF malware analysis — malicious · cfab6bb7f7186fa3

MALICIOUS

PDF

2.6 KB

MD5: dd6890ab9f04feb564516bfb7d356bad SHA-1: 84045f3565bf1ea7ba0f5881ae37754a55d6802c SHA-256: cfab6bb7f7186fa3b97f74b2a9bacf2b84c7be99976173b73cc1ae2f851cae50

138 Risk Score

Malware Insights

MITRE ATT&CK

T1204.002 Malicious File T1566.001 Spearphishing Attachment

The PDF file contains an embedded TIFF image that exploits CVE-2010-0188 in Adobe Reader. This exploit is designed to download and execute a secondary payload, as indicated by the critical ClamAV detection and the presence of an embedded file. The deobfuscated JavaScript further suggests malicious intent, likely related to the execution of the embedded artifact.

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 2

Files carved from inside the sample during analysis.

Filename	Kind	Source	Size
`embedded_file_obj0001.bin` `170089e7edc63b2909ddb5ccb00d8f9a14aa46117ec56da45caa1c702dacb98c`	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).
`acroform_b64_00.js` `87c4f1468d2bb8120d8065c2bd941129e4d5b31ffe6bfa4412f589b09000529f`	deobfuscated-js	PDF AcroForm base64 (decompressed) at offset 0x58A	8730 bytes

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