PDF malware analysis — malicious · 28e3df04afe061f0

MALICIOUS

PDF

13.4 KB

MD5: 662849dfa07f6dd7ca9d5c57050baee2 SHA-1: 15b7c83f697551dc6d2786bead1dd720e421a8eb SHA-256: 28e3df04afe061f0ceb3c32dd29286ede3121347287e94d483ccd42a2939101d

166 Risk Score

Malware Insights

MITRE ATT&CK

T1204 Malicious Link T1059.001 PowerShell

This PDF document contains an embedded file and utilizes the CVE-2010-0188 exploit for Adobe Reader. The presence of the XFA form and ASCIIHexDecode/ASCII85Decode filters further indicate malicious intent. The ClamAV detection confirms its malicious nature, likely acting as a dropper for further stages.

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` `132f3ae7494a3b2ef6a2f2d5cdd22fac8c134f0a35bf52d809cbcd97fb4461d7`	pdf-embedded-file	PDF EmbeddedFile object 1 at offset 0xA6	13415 bytes
Detection ClamAV: No threats found Obfuscation or payload: likely Carved artifact contains 1 long base64-like blob(s).

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