Malicious PDF — malware analysis report

Static analysis result for SHA-256 14e30d73252ec2c9…

MALICIOUS

PDF

360.7 KB Created: 2015-08-23 23:49:23 +03:00 Authoring application: wkhtmltopdf 0.12.2.4 (via Qt 4.8.6) First seen: 2021-10-11
MD5: c3f2fa87d31d2b901108a4cff65fa896 SHA-1: af35c9586834edcfc59db39d98e6dfaac004c41d SHA-256: 14e30d73252ec2c9402cacbdbbd12c3382326a3fb79c91ad7a8c433518bc2aba
92 Risk Score

Malware Insights

MITRE ATT&CK
T1566.001 Spearphishing Attachment

The PDF contains a link identified as a malicious redirector, which is a common tactic for delivering malware. The ML classifier also flagged this PDF with high confidence. The embedded URL likely serves as the initial lure to download a second-stage payload.

Machine Learning

  • Nyx PDF Classifier malicious score 0.9980

Heuristics 2

  • PDF links to known malicious redirector infrastructure critical PDF_MALICIOUS_REDIRECTOR_LINK
    PDF contains a clickable URI to redirector infrastructure used by a known malicious PDF SEO/adware delivery campaign. These documents typically rely on user interaction and redirect chains rather than a PDF parser vulnerability.
  • 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://botcraftman.ru/?lip&keyword=%D0%A1%D0%BA%D0%B0%D1%87%D0%B0%D1%82%D1%8C+%D0%B4%D1%80%D0%B0%D0%B9%D0%B2%D0%B5%D1%80%D0%B0+%D0%BD%D0%B0+%D1%80%D1%83%D0%BB%D1%8C+defender+forsage+%D0%BF%D0%BA&charset=utf-8 In PDF document text
    • http://img1.liveinternet.ru/images/attach/c/6//4693/4693137_moya__borba__adolf_.pdfIn PDF document text
    • http://img1.liveinternet.ru/images/attach/c/6//4693/4693550_3d__yeffektuy__s_.pdfIn PDF document text
    • http://img1.liveinternet.ru/images/attach/c/6//4693/4693017_skachat__igru__shrek_.pdfIn PDF document text

Extracted artifacts 2

Files carved from inside the sample during analysis.

FilenameKindSourceSize
font_00_sfnt_off00055d8f.bin pdf-font-stream PDF embedded font (sfnt) at offset 0x55D8F 9676 bytes
SHA-256: de7a9f0fb0f6f9eea514bed745bad675e9228208ec1f689ec070d8c947673b97
font_01_sfnt_off0005780c.bin pdf-font-stream PDF embedded font (sfnt) at offset 0x5780C 13692 bytes
SHA-256: 5bcd42009441c27094d490538eaca83315823e6cb38d415445091df3bf71e4f5

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