Malicious PDF — malware analysis report

Static analysis result for SHA-256 e039d9b34c880cef…

MALICIOUS

PDF

49.8 KB Authoring application: Nitro PDF
MD5: a16a70235c97267a556cb5717694ac4a SHA-1: 21ef9388569a3c376006a1818ff6eb849654ec52 SHA-256: e039d9b34c880cef9022e2b68304e37325bddcd544923439ab7dd64779941221
92 Risk Score

Malware Insights

MITRE ATT&CK
T1566.002 Spearphishing Attachment T1059.001 PowerShell

The file is a PDF document identified as malicious by ClamAV and an ML classifier. It contains multiple embedded URLs that likely lead to further malicious content. The ClamAV detection name 'Pdf.Phishing.TtraffRobotInstall-7605656-0' suggests a phishing campaign. No scripts were extracted, but the presence of multiple external URLs indicates a likely attempt to redirect the user to a malicious site for further exploitation or credential harvesting.

Machine Learning

  • Nyx PDF Classifier malicious score 0.9994

Heuristics 3

  • ClamAV: Pdf.Phishing.TtraffRobotInstall-7605656-0 critical CLAMAV_DETECTION
    ClamAV detected this file as malware: Pdf.Phishing.TtraffRobotInstall-7605656-0
  • 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://myadnteam.com/uploads/1/3/0/6/130621803/7003949.pdf
    • http://superiorcartcompany.com/uploads/1/3/0/5/130588944/308fc3c.pdf
    • http://skycruizair.com/uploads/1/3/0/5/130590538/41cbd8dea8.pdf
    • http://carpetcleancary.com/uploads/1/3/0/6/130639951/130639951.html#fire+emblem+echoes+genny

Extracted artifacts 3

Files carved from inside the sample during analysis.

FilenameKindSourceSize
font_00_sfnt_off0000100d.bin
83f84d252ee01d217532bee0301181a0ab8b55292d4270e90ec6345ae7576f02		 pdf-font-stream PDF embedded font (sfnt) at offset 0x100D 9492 bytes
font_01_sfnt_off0000712d.bin
e91619dfd4c72a85464d95ef1ba4e67df13020651c42071bafbe521a61d9f7fc		 pdf-font-stream PDF embedded font (sfnt) at offset 0x712D 2652 bytes
font_02_sfnt_off00007a31.bin
f78271d02232571d4b33101f788a4a32a11da95a459a0aa735d2ec43ef2a96a4		 pdf-font-stream PDF embedded font (sfnt) at offset 0x7A31 16912 bytes

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