PDF malware analysis — malicious · 3068e43ba0b6c796

MALICIOUS

PDF

132.6 KB

MD5: 7354bcd0fddfec52e9ea78fb6dbbdfcc SHA-1: 8ce5f6bd6eeee081a44d4944016d8ba000155159 SHA-256: 3068e43ba0b6c7964e6b476f1f21713f4b7e7d21eaa9f2bb6757d9bdc0931b66

286 Risk Score

Malware Insights

MITRE ATT&CK

T1059.001 PowerShell T1204.002 Malicious File

The PDF contains embedded JavaScript and a Flash object, indicated by PDF_JAVASCRIPT, PDF_JS, and PDF_RICHMEDIA heuristics. Critical findings like POLYGLOT_CHILD_PDF_STATIC_TRIAGE and CLAMAV_DETECTION confirm maliciousness. The embedded JavaScript and Flash are likely used to download and execute a second-stage payload, as suggested by the presence of eval() calls and the detection of an embedded malicious PDF.

Heuristics 9

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.
ClamAV: Pdf.Exploit.Agent-35955 critical CLAMAV_DETECTION

ClamAV detected this file as malware: Pdf.Exploit.Agent-35955
ClamAV detection on extracted artifact critical EXTRACTED_FILE_CLAMAV

ClamAV flagged at least one file extracted from inside this sample. Even when the wrapping document carries no AV detection of its own, a hit on the carved artifact is a strong indicator the sample is a delivery vehicle.
RichMedia (Flash) high PDF_RICHMEDIA

PDF contains /RichMedia (Adobe Flash) which is a historic exploit vector
eval() call high PDF_EVAL

eval() found — commonly used for obfuscated exploit execution (matched inside decoded stream)
JavaScript action low PDF_JAVASCRIPT

PDF contains a /JavaScript action. Generic JavaScript is common in benign forms; specific dangerous APIs are scored by separate rules.
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
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
`zVGWPnPsl.swf` `ae13437efad4e3a4f03cb0339d03b7d795966b217d30a540767c4ae26f402285`	pdf-embedded-file	PDF EmbeddedFile object 16 at offset 0x146D	26774 bytes
Detection ClamAV: Pdf.Exploit.Agent-35955 Obfuscation or payload: likely Carved artifact entropy is 7.99, consistent with packed or encrypted content.
`javascript_obj0006_000.js` `15689f302e582c730e2957af9f693527bed5d4b0c0400330afa9ba85ee307ff3`	pdf-javascript-stream	PDF /JS object 6 at offset 0x13C	12114 bytes
Detection ClamAV: No threats found Obfuscation or payload: likely Carved artifact contains 10 eval/decoder/string-building token(s). Carved artifact contains 3 long base64-like blob(s).
`polyglot_child_pdf_off0001801d.pdf` `1a6680d1fc92463ff3785c6d92ec8a5a6b1798722e1986bd89fadc1455661f33`	polyglot-child-pdf	Secondary PDF body inside pdf container at offset 0x1801D	37419 bytes
Detection ClamAV: Pdf.Exploit.Agent-35955 Obfuscation or payload: unlikely

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