PDF malware analysis — malicious · e7de213f7a1bf815

MALICIOUS

PDF

124.3 KB

MD5: ee75517dee146225ee41c046eb855819 SHA-1: 15471dbc876f0360acde76e6e022070f42fc5d3d SHA-256: e7de213f7a1bf8157a567fbce433597b69d6e7fb807eb34d7640e5cf46acf164

156 Risk Score

Malware Insights

MITRE ATT&CK

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

The PDF file contains embedded JavaScript and an embedded file, indicating a multi-stage attack. The critical heuristic firing for CVE-2010-0188 strongly suggests exploitation of a known Adobe Reader vulnerability. The presence of a secondary embedded PDF further supports a complex delivery mechanism. The exact nature of the payload is not fully discernible from the static analysis, but the exploit and embedded content point towards a malicious document designed to compromise the user's system.

Heuristics 8

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 JS stream low PDF_JS

PDF references a /JS stream. Generic JavaScript is common in benign forms; specific dangerous APIs are scored by separate rules.
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
AcroForm button with action trigger low PDF_ACROFORM_BUTTON

PDF contains a /Btn form field together with a SubmitForm/URI/Launch/JS trigger — this is the building block of fake 'Download' or 'Open' button overlays used in PDF phishing lures
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` `32e620bf11e3702351c9f6b5b530939ed7157381590e549d30b9e7de5500bba6`	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_off0001e4dd.bin` `9e64f05248edfbee7e64aa1ff5dd753e85e5497b7d1dd2db9704044673a012d4`	decompressed-pdf-stream	PDF FlateDecoded stream at offset 0x1E4DD	13430 bytes
Detection ClamAV: No threats found Obfuscation or payload: likely Carved artifact contains 1 long base64-like blob(s).
`polyglot_child_pdf_off0001e48c.pdf` `91b52dd0a9c9dcdcc0c36702bce49243703e00ec315755b6f069f5b5f8d61d03`	polyglot-child-pdf	Secondary PDF body inside pdf container at offset 0x1E48C	3238 bytes

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