PDF malware analysis — malicious · c0f40d06bc8dab1c

MALICIOUS

PDF

5.0 KB

MD5: 30d4249d69b67642f6e913ff0e421eb7 SHA-1: feef77e5537d093c4551381244008ba264bff837 SHA-256: c0f40d06bc8dab1c227bb993931274d15546bd1b81a5e3d0e36f68f76fdac53b

168 Risk Score

Malware Insights

MITRE ATT&CK

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

This PDF file contains a critical heuristic indicating exploitation of CVE-2010-0188, a known vulnerability in Adobe Reader related to XFA forms and TIFF image parsing. The presence of an embedded file further supports the malicious intent. The ClamAV detection confirms its classification as malware. The attack pattern suggests the PDF is designed to exploit this vulnerability to achieve code execution, likely for downloading and running a secondary payload.

Heuristics 7

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
ASCIIHexDecode filter (with exploit indicators) medium PDF_FILTER_HEX

Hex-encoding filter present alongside exploit delivery indicators — often used to hide payload or shellcode bytes
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
ASCII85Decode filter (with exploit indicators) low PDF_FILTER_85

ASCII85 encoding filter present alongside exploit delivery indicators — uncommon outside of obfuscation
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` `6cbaedfe73e212a9248f689836c89a1ddb624c99a53260fae873e2b18f2847b4`	pdf-embedded-file	PDF EmbeddedFile object 1 at offset 0x7A	13513 bytes
Detection ClamAV: No threats found Obfuscation or payload: likely Carved artifact contains 1 long base64-like blob(s).

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