PDF malware analysis — malicious · 58685469a9401025

MALICIOUS

PDF

6.1 KB Created: 2012-09-23 16:04:16

MD5: 745796ef40a1c13152550d793e2d363f SHA-1: cd7c87fdc02b161ccbf2e5d757e1a5a64d6585ea SHA-256: 58685469a94010256151ac5d955ad6a57609244dbd6374e68bb8ae13a82959aa

100 Risk Score

Malware Insights

MITRE ATT&CK

T1204 Malicious Link T1204.002 Malicious File T1059 Command and Scripting Interpreter T1059.001 PowerShell

The PDF file contains an embedded script payload, as indicated by the 'PDF_EMBEDDED_SCRIPT_PAYLOAD' heuristic. ClamAV also detected this file as 'Pdf.Exploit.Gen-259', suggesting it exploits a known vulnerability. The embedded script likely downloads and executes a second-stage payload, contributing to the malicious nature of the document.

Heuristics 6

ClamAV: Pdf.Exploit.Gen-259 critical CLAMAV_DETECTION

ClamAV detected this file as malware: Pdf.Exploit.Gen-259
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 6

Files carved from inside the sample during analysis.

Filename	Kind	Source	Size
`embedded_file_obj0007.bin` `c09ae753ce4962d3d447f6ccdc05236eb9238277b66775a82f085f0fd265a84d`	pdf-embedded-file	PDF EmbeddedFile object 7 at offset 0x20B	130 bytes
`embedded_file_obj0011.bin` `74ada7e4380e9128ad7801bf481137f2120066002948dfd5fc5c8d472240f133`	pdf-embedded-file	PDF EmbeddedFile object 11 at offset 0x4AF	188 bytes
Detection ClamAV: No threats found Obfuscation or payload: likely Carved artifact contains 1 long base64-like blob(s).
`embedded_file_obj0005.bin` `e6c26a3478346d27e841ad49868ebf68bf4c6863b6750e8d60bda3c4c6f79876`	pdf-embedded-file	PDF EmbeddedFile object 5 at offset 0x5BA	77 bytes
`embedded_file_obj0009.bin` `92a3ce61d783e15932b5de127ce45a9b4c2f98f4da2453f65241573c1dda808a`	pdf-embedded-file	PDF EmbeddedFile object 9 at offset 0x663	56 bytes
`embedded_file_obj0017.bin` `d4d42ce0e2becf87abd24a70143a95b67bb3633a77c6bfce0204f49023ee7cd4`	pdf-embedded-file	PDF EmbeddedFile object 17 at offset 0x76C	201 bytes
`embedded_file_obj0018.bin` `df0e0a472e30254e23b35a900059ac907e2d8153c181e36cb5539cba1c1d0bf0`	pdf-embedded-file	PDF EmbeddedFile object 18 at offset 0xABD	35756 bytes
Detection ClamAV: No threats found Obfuscation or payload: likely Carved artifact contains 1 long base64-like blob(s).

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