Malicious PDF — malware analysis report

Static analysis result for SHA-256 82093085f53467ec…

MALICIOUS

PDF

11.3 KB Authoring application: Qxmrgxytya Qxtrvrhog
MD5: b8420c03489a98be6a7a298958008c30 SHA-1: b6dd883a041059d55c05f031d19b16e1eb9177c4 SHA-256: 82093085f53467ecb1e93076d33370198d9cc54c81b91c0691cb29b312f47c5d
68 Risk Score

Malware Insights

MITRE ATT&CK
T1204.002 Malicious File T1566.002 Spearphishing Attachment

The PDF file contains an embedded script payload and an embedded file, strongly indicating malicious intent. The ML classifier also flagged this PDF with a very high probability of being malicious. The embedded URL points to a potential executable download, suggesting the document's purpose is to trick the user into downloading and running malware. No specific family could be identified.

Machine Learning

  • Nyx PDF Classifier malicious score 0.9999

Heuristics 5

  • 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
  • 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.
  • 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://goadsclick.com/dad61d0IhVa02aFU0NAL10Fs650tVQk058a70LjaD0fHKZ17sMg0doSR0CLRD0tGdM006B20A5KF16pS002gUX06n0O17Cx20G3Xv0xhX50OhfR0sQxI0dE0w0FSyC0Zsha0kOoB049Ee0hvP00yJb2158JL0kup90f7ix11VrI0bwNY0RMbf17oPy0dQhj0VY7F1453l0ObwF0cBbS0cs500oU1Z16KEZ0S3dv08Hx112Yvk0B67s/mGB6rs4yf3.exe?RRNBYSPvNtYkEd=thh&quot
    • http://ns.adobe.com/xdp/
    • http://www.xfa.org/schema/xci/1.0/
    • http://www.xfa.org/schema/xfa-template/2.5/
    • http://ns.adobe.com/xtd/
    • http://www.xfa.org/schema/xfa-data/1.0/
    • http://ns.adobe.com/xfdf/
    • http://www.xfa.org/schema/xfa-form/2.8/

Extracted artifacts 1

Files carved from inside the sample during analysis.

FilenameKindSourceSize
embedded_file_obj0008.bin
ee8249c51063306761c830a1bdb8a4e08019bf15be21ef6dd2f15b27a9ec0e4e		 pdf-embedded-file PDF EmbeddedFile object 8 at offset 0x35C 10097 bytes
Detection
ClamAV: No threats found
Obfuscation or payload: likely
Carved artifact contains 2 long base64-like blob(s).

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