Malicious PDF — malware analysis report

Static analysis result for SHA-256 6382eb8b96495b97…

MALICIOUS

PDF

48.2 KB Authoring application: ImageMagick First seen: 2020-09-24
MD5: be6f284b39b2e4226bb9e48c07778adb SHA-1: a2bb99f6ee231902925072b448c4f94c1ce52d27 SHA-256: 6382eb8b96495b97e954ddd4a0138d5d0f2f2dcfa6cc39dab2871f4ca0f39a6b
94 Risk Score

Malware Insights

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

The file is a PDF containing multiple embedded URLs, one of which is flagged as malicious. The ML classifier and ClamAV detection strongly indicate malicious intent, likely related to phishing or malware distribution. The presence of external URIs suggests an attempt to redirect the user to a malicious site or download a secondary payload.

Machine Learning

  • Nyx PDF Classifier malicious score 0.9995

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://striving4excellence.net/uploads/1/3/0/4/130436028/kuzalefidaw-mufepenose-lidutepaxage-fexexujutiz.pdf PDF link annotation
    • http://one21i.com/uploads/1/3/0/5/130543766/wufebarafo-poremubezo.pdfIn PDF document text
    • http://jaj.m-zdorov.ru/uploads/2020/01/28/rizofipapa-watexi-daluretenazo-wamul.pdfIn PDF document text
    • http://rochecenter.org/uploads/1/3/0/2/130274199/130274199.html#coeficiente+de+rugosidad+manning+pvcIn PDF document text
    • http://www.ascendercorp.com/In PDF document text
    • http://www.ascendercorp.com/typedesigners.htmlIn PDF document text
    • https://fedoraproject.org/wiki/Licensing/LiberationFontLicenseIn PDF document text
    • http://dejavu.sourceforge.netIn PDF document text
    • http://dejavu.sourceforge.net/wiki/index.php/LicenseIn PDF document text

Extracted artifacts 3

Files carved from inside the sample during analysis.

FilenameKindSourceSize
font_00_sfnt_off000010a6.bin pdf-font-stream PDF embedded font (sfnt) at offset 0x10A6 9216 bytes
SHA-256: 1f7b63a338df888a5253369625674602b9d5180d8c147752b9eb912ef5e721b2
font_01_sfnt_off00006d4a.bin pdf-font-stream PDF embedded font (sfnt) at offset 0x6D4A 2652 bytes
SHA-256: e91619dfd4c72a85464d95ef1ba4e67df13020651c42071bafbe521a61d9f7fc
font_02_sfnt_off0000762f.bin pdf-font-stream PDF embedded font (sfnt) at offset 0x762F 16148 bytes
SHA-256: 79cb1414bac571ac462e72aa2868ad8c644359b67768a4c93744ee4ae68663af