PDF malware analysis — malicious · 7f16cae7b994fd5c

MALICIOUS

PDF

5.3 KB Created: 2002-02-02 59:55:01 Authoring application: e

MD5: 49cdd25db675e0c0405a4f2c24650c63 SHA-1: d56b1aad58d6488f05fedf1798a6e4ea7241cc42 SHA-256: 7f16cae7b994fd5c4db1feeebb14220402fc5134b68f90b9081ce62056aa6e1a

100 Risk Score

Malware Insights

MITRE ATT&CK

T1204.002 Malicious File T1059.001 PowerShell T1059.003 Windows Command and Shell

The PDF file contains an embedded JavaScript payload that is triggered by the CVE-2010-0188 exploit. The heuristic firings indicate that this is an Adobe Reader exploit targeting LibTIFF XFA images. The embedded JavaScript is likely responsible for downloading and executing a second-stage payload. The extracted artifact 'stream_003_off00000402.js' is the payload.

Heuristics 6

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.
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
PDF differential parser failed info PDF_DIFFERENTIAL_PARSE_FAILED

The cross-check parser (pdfminer.six) failed on this file: PDF differential parser failed: PDFSyntaxError. Static heuristics still ran and any of their findings above are valid; only the differential cross-check signal is missing.
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_obj0029.bin` `d5ea42e894e12397159f599530ca4d79347fb95e7d045003551c15c627bf352c`	pdf-embedded-file	PDF EmbeddedFile object 29 at offset 0x33B	114 bytes
`stream_003_off00000402.js` `212f40d795a6bd973ad52e2a2371ec16f91997fbc8e7a94a64cc8c0738016b32`	decompressed-pdf-stream	PDF FlateDecoded stream at offset 0x402	52773 bytes
Detection ClamAV: No threats found Obfuscation or payload: likely Carved artifact contains 1 long base64-like blob(s).

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