PDF malware analysis — malicious · 4175bb9b7994d110

MALICIOUS

PDF

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

MD5: b57ebf596af0e22e09cc156cb51cfa5d SHA-1: 7d79965971093520fc0c0b4dace1e5a15df7364e SHA-256: 4175bb9b7994d110eadc0463a075726822ce457c3870c33f931e79fafacccb37

100 Risk Score

Malware Insights

MITRE ATT&CK

T1204 Malicious Link T1059.001 PowerShell

The PDF file contains an embedded JavaScript payload, identified by the 'PDF_EMBEDDED_SCRIPT_PAYLOAD' heuristic. This payload is likely exploiting the CVE-2010-0188 vulnerability in Adobe Reader, as indicated by the 'CVE_2010_0188' heuristic. The extracted JavaScript file, 'stream_003_off00000376.js', is the primary artifact responsible for the malicious activity, likely downloading and executing a second-stage payload. The document body is largely unreadable, providing minimal context beyond the file's creation metadata.

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` `6e5511991e757dbf3941fd7fee07f5473879372e1b550e6918eea34deb1b3562`	pdf-embedded-file	PDF EmbeddedFile object 29 at offset 0x2C3	91 bytes
`stream_003_off00000376.js` `ff520cadaf2dc2e48aabe4cec6e0f7eca507cc5fb2d68f102cc3a205f3ee67c6`	decompressed-pdf-stream	PDF FlateDecoded stream at offset 0x376	52524 bytes
Detection ClamAV: No threats found Obfuscation or payload: likely Carved artifact contains 1 long base64-like blob(s).

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