PDF malware analysis — malicious · e790136d63ee5a5d

MALICIOUS

PDF

12.9 KB

MD5: e754682cd048b67a12f7bb37dcb92faf SHA-1: c9db4066f37955c7f3ff38deb333783e58a830b7 SHA-256: e790136d63ee5a5d2f73ddb19d1f91a8fb1546ac37a4a715a2c4cce277f3877f

116 Risk Score

Malware Insights

MITRE ATT&CK

T1204.002 Malicious File: User Execution: Malicious File T1566.002 Phishing: Spearphishing Attachment

The file is a PDF document flagged by ML classifiers and ClamAV as malicious, specifically identified as Pdf.Exploit.Agent-36962. It contains embedded files and an XFA form, indicating it is designed to exploit PDF vulnerabilities. The presence of an embedded URL, though seemingly benign, is suspicious in this context. The primary attack vector appears to be leveraging a PDF exploit to deliver a malicious payload.

Machine Learning

Nyx PDF Classifier malicious score 1.0000

Heuristics 5

ClamAV: Pdf.Exploit.Agent-36962 critical CLAMAV_DETECTION

ClamAV detected this file as malware: Pdf.Exploit.Agent-36962
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
Embedded URL info EMBEDDED_URL

One or more URLs were extracted from the document. The URL itself is not a detection — see the per-URL labels for which channel (macro, JS, link annotation, document body, ...) reached each URL.

URL http://www.xfa.org/schema/xfa-locale-set/2.1/

Extracted artifacts 5

Files carved from inside the sample during analysis.

Filename	Kind	Source	Size
`embedded_file_obj0041.bin` `c06dcd026a7ea0536b63e07ce688691b585339a3ab7ff59065e546b56308c7bb`	pdf-embedded-file	PDF EmbeddedFile object 41 at offset 0x2627	85 bytes
`embedded_file_obj0042.bin` `dda0835df994b8be920f715db36452f6cee7bb42bbc9c897f878a7b298ba8e91`	pdf-embedded-file	PDF EmbeddedFile object 42 at offset 0x26D9	1029 bytes
`embedded_file_obj0043.bin` `e7851af5e081c5f5c213de29bdc9f7a06a2e391a781bf5a9853e28c7c369149e`	pdf-embedded-file	PDF EmbeddedFile object 43 at offset 0x28F2	1735 bytes
`embedded_file_obj0044.bin` `3dd68f00f4fcb366a2a3a17c65cb2626eeddf5ea5713302d374310561d810169`	pdf-embedded-file	PDF EmbeddedFile object 44 at offset 0x2CDE	144 bytes
`embedded_file_obj0045.bin` `10c03f88a5f0a0833dc5b2c8ac295b3a3c6f65e23889eb8cc1dc6fe29bf7f275`	pdf-embedded-file	PDF EmbeddedFile object 45 at offset 0x2D8A	77 bytes

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