PDF malware analysis — malicious · 47dda2b6d677c832

MALICIOUS

PDF

2.6 KB

MD5: 583c8fcd07de8106fd66605c2432516f SHA-1: d8e4ea04066bb127c0c9693d89e58ce591cd4ccb SHA-256: 47dda2b6d677c83259f8eefd4a97f365806a0103f97262d3b861db8b244f9805

142 Risk Score

Malware Insights

MITRE ATT&CK

T1059.001 PowerShell T1204.002 Malicious File

The PDF file is identified as malicious due to the critical CVE-2010-0188 heuristic, indicating an exploit targeting Adobe Reader's LibTIFF component within an XFA form. The presence of PDF_JAVASCRIPT and PDF_JS heuristics further suggests that embedded JavaScript is used to hide or trigger the exploit. The encrypted nature of the PDF, combined with JavaScript, points to a deliberate attempt to obscure the malicious payload, likely for initial execution or download of further stages.

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.
Encrypted PDF carries /JavaScript — payload hidden from static analysis high PDF_ENCRYPTED_WITH_JS

PDF declares /Encrypt and also references an executable trigger (/JavaScript). Document encryption hides the JavaScript body and stream contents from static scanners — combined with auto-execution indicators this is a known evasion pattern used to deliver weaponised JavaScript that the analyst cannot inspect without the decryption key.
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
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
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 1

Files carved from inside the sample during analysis.

Filename	Kind	Source	Size
`embedded_file_obj0001.bin` `f6dc01e7a352c109b0933f1e2e6006d05f8961f12b9f860ee49e6d9ca3ad09e9`	pdf-embedded-file	PDF EmbeddedFile object 1 at offset 0x7F	13330 bytes
Detection ClamAV: No threats found Obfuscation or payload: likely Carved artifact contains 1 long base64-like blob(s).

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