Malicious PDF — malware analysis report

Static analysis result for SHA-256 067214e0b88a3840…

MALICIOUS

PDF

84.2 KB Created: 2016-03-13 18:12:29 +06:00 Authoring application: wkhtmltopdf 0.12.3.2 (via Qt 4.8.7)
MD5: ee179c7585bce1dd0ed2a2da0742fec8 SHA-1: 527453491b9ce3361cbc0c15fb38a0119de1d0f0 SHA-256: 067214e0b88a384043caa5f7fb4088f9c457e2ebc9a903fe43e0f7b91325632c
64 Risk Score

Malware Insights

MITRE ATT&CK
T1566.001 Spearphishing Attachment

The PDF file contains embedded URLs that point to external download sites, masquerading as game content. The ClamAV heuristic identifies this as a dropper, indicating its primary function is to download and execute a secondary payload. The presence of these URLs and the dropper classification strongly suggest a malicious intent to deliver further malware.

Machine Learning

  • Nyx PDF Classifier clean score 0.0029

Heuristics 3

  • ClamAV: Pdf.Dropper.Agent-7772971-0 critical CLAMAV_DETECTION
    ClamAV detected this file as malware: Pdf.Dropper.Agent-7772971-0
  • External URI info PDF_URI
    PDF contains an external URL action
  • 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://smartmediafinderthree.com/3489/download.php?id=3489&name=happy+wheels+new+characters+free+download&sid=wppdf16
    • http://newfastmediasearcherfive.com/3489/download.php?id=3489&name=happy+wheels+new+characters+free+download&sid=wppdf16
    • http://en.wikipedia.org/wiki/MIT_License

Extracted artifacts 2

Files carved from inside the sample during analysis.

FilenameKindSourceSize
stream_001_off00001412.bin
a8c375e3ffbf277addaa7019ed67b51d76cca18dcdd810b05d443b31dd437546
decompressed-pdf-stream PDF FlateDecoded stream at offset 0x1412 548226 bytes
font_00_sfnt_off00011bcb.bin
f9060b5a7ffadf50c87e5bf1745237032864214ef349c96d9700f3b0ef8baf21
pdf-font-stream PDF embedded font (sfnt) at offset 0x11BCB 22128 bytes