Malicious PDF — malware analysis report

Static analysis result for SHA-256 874c2c93689b3bef…

MALICIOUS

PDF

38.9 KB Authoring application: PDF Studio
MD5: 9af1840364860e41d564673b431bd2b7 SHA-1: 3d632910752b33b848ed92365e8bbbdfb927398a SHA-256: 874c2c93689b3bef867f9b3252308128c38037949103a4445efcb3535d0c10e7
94 Risk Score

Malware Insights

MITRE ATT&CK
T1566.001 Spearphishing Attachment T1059.007 JavaScript

The file is identified as malicious by multiple detection engines, including ClamAV, which specifically flags it as 'Pdf.Phishing.TtraffRobotInstall-7605656-0'. The document body, though heavily obfuscated, contains URLs that are likely part of a phishing or malware distribution scheme. The presence of embedded URLs and the overall detection suggest a spearphishing attachment attack pattern.

Machine Learning

  • Nyx PDF Classifier malicious score 0.9998

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://mentitoronto.com/uploads/1/3/0/6/130621708/6163396.pdf
    • http://tiffanythetherapist.com/uploads/1/3/0/5/130551054/todeduxizulab.pdf
    • http://royalanimals.com/uploads/1/3/0/2/130291922/buzelem.pdf
    • http://summitdoulacare.com/uploads/1/3/0/6/130604984/mifegebute_lusedetiv.pdf
    • http://bernardobellostudio.com/uploads/1/3/0/4/130435777/130435777.html#hp+officejet+5745+e-all-in-one+printer+manual

Extracted artifacts 1

Files carved from inside the sample during analysis.

FilenameKindSourceSize
font_00_sfnt_off0000109c.bin
93a38ed0ed7d369480440c9f5b80d4d758181750b21fd6840bddf0d35a28b605		 pdf-font-stream PDF embedded font (sfnt) at offset 0x109C 9016 bytes

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