PDF malware analysis — malicious · 1bcd2274180ff845

MALICIOUS

PDF

5.4 KB Created: sdtres

MD5: 21fb4a4fddf79fc187300a735633d87a SHA-1: 7ddd2217cd76fbf7ce779af9f86f388f34f2fb27 SHA-256: 1bcd2274180ff8454b800cd118ff2c4b60780977a2804b853c0bd345a37c8b45

200 Risk Score

Malware Insights

The PDF file contains an embedded XFA form that exploits CVE-2010-0188 in Adobe Reader. This exploit allows for arbitrary code execution, likely to download and execute a second-stage payload. The ClamAV detection confirms the presence of this specific exploit. No document body text was available for analysis, but the critical heuristic firings strongly indicate a malicious exploit document.

Heuristics 7

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

PDF contains the CVE-2010-0188 exploit template: XFA JavaScript heap-spray setup, a generated TIFF image payload, and assignment of that TIFF data to an XFA image field rawValue to trigger Adobe Reader's LibTIFF parser.
ClamAV: Pdf.Exploit.CVE_2010_0188-10 critical CLAMAV_DETECTION

ClamAV detected this file as malware: Pdf.Exploit.CVE_2010_0188-10
unescape() call high PDF_UNESCAPE

unescape() found — often used to decode shellcode in PDF JS exploits (matched inside decoded stream)
Embedded script payload in PDF stream medium PDF_EMBEDDED_SCRIPT_PAYLOAD

PDF stream bytes contain an HTML/XFA <script> tag without accompanying Windows shell-execution primitives — common in accessible XFA forms but worth surfacing for analyst review.
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_obj0011.bin` `f1c320dd667b852eb0af608430e3d6753c5b9eda9138138e4e83d5dabb8428f4`	pdf-embedded-file	PDF EmbeddedFile object 11 at offset 0x42F	32487 bytes
Detection ClamAV: No threats found Obfuscation or payload: likely Carved artifact contains 1 eval/decoder/string-building token(s).

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