PDF malware analysis — malicious · 3fa26063c98a5e8d

MALICIOUS

PDF

4.0 KB

MD5: 13b93b19b2be44b2efb645cd339882f8 SHA-1: bf6cb095d4cda82afb5ceee5777a952951dd4e1b SHA-256: 3fa26063c98a5e8d36666e67a0308c64d45970e002b88baf7171231fab61bcbc

98 Risk Score

Malware Insights

MITRE ATT&CK

T1204.002 Malicious File T1566.001 Spearphishing Attachment T1204 User Execution

The PDF file contains an embedded malicious object that exploits CVE-2010-0188, a vulnerability in Adobe Reader's handling of XFA forms and TIFF images. This exploit is designed to execute arbitrary code, likely leading to the download and execution of a secondary payload. The embedded file and XFA structure are strong indicators of this attack vector.

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.
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
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 4

Files carved from inside the sample during analysis.

Filename	Kind	Source	Size
`embedded_file_obj0001.bin` `f535396d689027a212127758f71e74bf38b7b8fd575976d2197ef6ea676102a6`	pdf-embedded-file	PDF EmbeddedFile object 1 at offset 0x6A	12267 bytes
Detection ClamAV: No threats found Obfuscation or payload: likely Carved artifact contains 1 long base64-like blob(s).
`embedded_file_obj0010.bin` `8af81ed8eb133b8dbc92f16ee731a72b4418c73f308df25baea192d921e616d2`	pdf-embedded-file	PDF EmbeddedFile object 10 at offset 0x8CB	256 bytes
`embedded_file_obj0011.bin` `9977970deb1b6c1a4d59ef7a4cd032f49699b33407f96022985857d0fbed3aa5`	pdf-embedded-file	PDF EmbeddedFile object 11 at offset 0xB29	725 bytes
`embedded_file_obj0012.bin` `422a5430698c54d7acba092e1350d18143964b54c5496415f1d8f31cbbcf0663`	pdf-embedded-file	PDF EmbeddedFile object 12 at offset 0xD1E	332 bytes

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