Malicious PDF — malware analysis report

Static analysis result for SHA-256 c03f4fc7a8ee74d3…

MALICIOUS

PDF

38.3 KB Authoring application: Scribus
MD5: a0a887b3acfff9239f41fcf7aa554e51 SHA-1: 019bf5c91d02de43d6aecadfd0b2a12666af223c SHA-256: c03f4fc7a8ee74d36ca9ba778653f2f02485e7860206df2375fb9b727a914f66
92 Risk Score

Malware Insights

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

The file is a PDF containing external URIs pointing to malicious content, as indicated by ClamAV and ML classifier detections. The document body text, though partially corrupted, mentions 'Assassin's creed 2 glyphes confrontés à l'ennemi', suggesting a lure to trick users into clicking on the embedded malicious links. The primary attack pattern involves social engineering to prompt the download of further malicious content.

Machine Learning

  • Nyx PDF Classifier malicious score 0.9999

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://cbcsomerset.com/uploads/1/3/0/4/130483625/xuboxotujesite_viduzelimesogi_bokojubumu.pdf
    • http://fuxux.vraonline.ru/uploads/2020/01/28/bewan-modumemoxurax-punuweluge-pudabar.pdf
    • http://southernwildproducts.com/uploads/1/3/0/5/130539926/fc18aba89b2111a.pdf
    • http://papiramirez.com/uploads/1/3/0/2/130289703/7653011.pdf
    • http://alabamafanaticon.com/uploads/1/3/0/5/130588388/pirataxo.pdf
    • http://beltranonsite.com/uploads/1/3/0/5/130588816/130588816.html#assassin%27s+creed+2+glyphes+confront%C3%A9s+%C3%A0+l%27ennemi

Extracted artifacts 2

Files carved from inside the sample during analysis.

FilenameKindSourceSize
font_00_sfnt_off00001183.bin
3feb7cdc2ec732bb956f49c38f5c35f0a5adcebf1d7ca5b1a2ebca24d26f2197		 pdf-font-stream PDF embedded font (sfnt) at offset 0x1183 9844 bytes
font_01_sfnt_off00005a8d.bin
e2f1373bf3d70a40ff4276a486f0a1d2d32154e4f45ad1243a44c3d3b7d91cea		 pdf-font-stream PDF embedded font (sfnt) at offset 0x5A8D 2652 bytes

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