Malicious PDF — malware analysis report

Static analysis result for SHA-256 62f6edb5eec470d8…

MALICIOUS

PDF

47.6 KB Authoring application: Soda PDF
MD5: f8e1ff24b46afe5943c7a06ea2c214a9 SHA-1: cfff02394ee40212f3019c2eec10eb6d11f8066e SHA-256: 62f6edb5eec470d895ff5d648867d0771f9e235db77438e8411e9d3301ddbbd9
152 Risk Score

Malware Insights

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

The PDF contains a large number of embedded URLs pointing to external PDF files, a technique often used for SEO link farms or to redirect users to malicious content. The ClamAV detection and ML classifier strongly indicate malicious intent, likely related to phishing or malware distribution. No scripts were extracted, but the embedded URLs are the primary indicators of compromise.

Machine Learning

  • Nyx PDF Classifier malicious score 0.9999

Heuristics 3

  • Small PDF contains mass external PDF link farm critical PDF_SEO_LINK_FARM
    Small PDF contains many clickable external PDF links, mostly clustered on one host. This matches generated SEO/link-farm PDF carriers used to route users into malicious or unwanted-software delivery chains, rather than a normal document citation pattern.
  • ClamAV: Pdf.Phishing.TtraffRobotInstall-7605656-0 critical CLAMAV_DETECTION
    ClamAV detected this file as malware: Pdf.Phishing.TtraffRobotInstall-7605656-0
  • 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://kikcrafts.com/uploads/1/3/0/6/130639495/36a6751b55710.pdf
    • http://madewithlovebydanielle.com/uploads/1/3/0/2/130289748/8131086.pdf
    • http://leahrainy.com/uploads/1/3/0/2/130289161/6226565.pdf
    • http://bridgeequityadvisors.com/uploads/1/3/0/4/130488812/f3e11e30680.pdf
    • http://staceysdeliclt.com/uploads/1/3/0/7/130775251/579ad9d6ad7384f.pdf
    • http://yesbyronbay.com/uploads/1/3/0/4/130494289/6cde4e1161e.pdf
    • http://reboundat.com/uploads/1/3/0/7/130739223/130739223.html#epilepsy+ppt+slideshare
    • http://fontawesome.iohttp://fontawesome.io/license/

Extracted artifacts 2

Files carved from inside the sample during analysis.

FilenameKindSourceSize
font_00_sfnt_off000010c9.bin
b390e9672ec19daf76369a6fb5582cda66e4c721919d422777ac056505153302		 pdf-font-stream PDF embedded font (sfnt) at offset 0x10C9 8456 bytes
font_01_sfnt_off00007fa0.bin
e69f6753ddeb6504c12bf634c074ab8277f5f87eabd2df6a6265d188d403c489		 pdf-font-stream PDF embedded font (sfnt) at offset 0x7FA0 2176 bytes

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