PDF malware analysis — malicious · 3a7e81567fac771a

MALICIOUS

PDF

826.8 KB

MD5: be800059b1505b0b864139417461236f SHA-1: 69f5fbd889a115ff424fd869b786208e6b035cb9 SHA-256: 3a7e81567fac771a7c1f72371f3ce2518afac779553696348fd562d7f9e0d7e3

140 Risk Score

Malware Insights

MITRE ATT&CK

T1203 Exploitation for Client Execution

The PDF file contains a critical heuristic firing for CVE-2010-0188, indicating an exploit targeting Adobe Reader's LibTIFF component. This exploit is designed to execute arbitrary code. A secondary embedded PDF was also found to contain similar suspicious findings, reinforcing the malicious nature of the file.

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: PSEOF. 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` `f0fe59900d9f459d50659f9186087b60363999e69a6caf19a2c1f5a4853c4538`	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_off000cdebc.bin` `9e64f05248edfbee7e64aa1ff5dd753e85e5497b7d1dd2db9704044673a012d4`	decompressed-pdf-stream	PDF FlateDecoded stream at offset 0xCDEBC	13430 bytes
Detection ClamAV: No threats found Obfuscation or payload: likely Carved artifact contains 1 long base64-like blob(s).
`polyglot_child_pdf_off000cde6b.pdf` `91b52dd0a9c9dcdcc0c36702bce49243703e00ec315755b6f069f5b5f8d61d03`	polyglot-child-pdf	Secondary PDF body inside pdf container at offset 0xCDE6B	3238 bytes

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