PDF malware analysis — malicious · 1e9c378c8d7b5b09

MALICIOUS

PDF

324.1 KB

MD5: d1e89a83a1c4c34b4a6b144e17bc4dcf SHA-1: b699ef55b81987406b659ed59dbafe985ea1adcb SHA-256: 1e9c378c8d7b5b092e3687686358efb6deab83bb6451cea6456f6cade1e94805

140 Risk Score

Malware Insights

MITRE ATT&CK

T1204.002 Malicious File: User Execution T1204.001 Malicious File: Malicious Link T1059.001 PowerShell T1059.003 Windows Command Shell T1059.007 JavaScript

The PDF file contains a critical heuristic match for CVE-2010-0188, indicating it exploits a vulnerability in Adobe Reader related to LibTIFF XFA images. The file also contains a secondary embedded PDF with similar suspicious findings. The primary attack vector is likely the exploitation of this known vulnerability to achieve code execution, which would then be used to download and execute further malicious content.

Heuristics 6

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.
Secondary embedded PDF body has suspicious static findings critical POLYGLOT_CHILD_PDF_STATIC_TRIAGE

A valid PDF body was found at a nonzero offset inside another container and its carved contents matched PDF exploit or lure heuristics. This catches polyglots where the top-level magic routes to ZIP/OLE while a PDF reader or downstream parser opens the hidden PDF payload.
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: PSSyntaxError. 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 3

Files carved from inside the sample during analysis.

Filename	Kind	Source	Size
`embedded_file_obj0001.bin` `b8923c37d5580d7fa927c5cc055f33712ba167200cf52458fc22378a5969487b`	pdf-embedded-file	PDF EmbeddedFile object 1 at offset 0x51	13430 bytes
Detection ClamAV: No threats found Obfuscation or payload: likely Carved artifact contains 1 long base64-like blob(s).
`stream_001_off00050405.bin` `9e64f05248edfbee7e64aa1ff5dd753e85e5497b7d1dd2db9704044673a012d4`	decompressed-pdf-stream	PDF FlateDecoded stream at offset 0x50405	13430 bytes
Detection ClamAV: No threats found Obfuscation or payload: likely Carved artifact contains 1 long base64-like blob(s).
`polyglot_child_pdf_off000503b4.pdf` `91b52dd0a9c9dcdcc0c36702bce49243703e00ec315755b6f069f5b5f8d61d03`	polyglot-child-pdf	Secondary PDF body inside pdf container at offset 0x503B4	3238 bytes

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