Malicious PDF — malware analysis report

Static analysis result for SHA-256 5906e06e22b8071d…

MALICIOUS

PDF

360.3 KB Created: 2015-08-22 08:49:08 +03:00 Authoring application: wkhtmltopdf 0.12.2.4 (via Qt 4.8.6)
MD5: 443552ed37b284a4e418a97e42b6d20e SHA-1: f2e6161fbf3125da5ad1a7972bc80e2bf5ded406 SHA-256: 5906e06e22b8071d545f60c7b9ab827a6cd8a2f7da5eae17624e1928c5df0a96
68 Risk Score

Malware Insights

MITRE ATT&CK
T1566.002 Spearphishing Attachment T1059.001 PowerShell

The PDF file contains an embedded JavaScript stream and a critical heuristic firing for a malicious redirector link. The link points to http://botcraftman.ru/, which is flagged as malicious. This suggests the document is intended to lure the user to a compromised site, likely for further exploitation or credential harvesting. No specific malware family could be identified.

Heuristics 3

  • 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 JS stream low PDF_JS
    PDF references a /JS stream. Generic JavaScript is common in benign forms; specific dangerous APIs are scored by separate rules.
  • 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%BF%D1%80%D0%BE%D1%81%D1%82%D1%8B%D0%B5+%D0%BD%D0%BE%D1%82%D1%8B+%D0%B4%D0%BB%D1%8F+%D1%81%D0%B8%D0%BD%D1%82%D0%B5%D0%B7%D0%B0%D1%82%D0%BE%D1%80%D0%B0+%D0%B4%D0%BB%D1%8F+%D0%BD%D0%B0%D1%87%D0%B8%D0%BD%D0%B0%D1%8E%D1%89%D0%B8%D1%85&charset=utf-8

Extracted artifacts 2

Files carved from inside the sample during analysis.

FilenameKindSourceSize
font_00_sfnt_off00055d0f.bin
ab619cc3fa27eb764643ae081011d30522ed7ed7faef5b2c1cb86e2b64770ed6		 pdf-font-stream PDF embedded font (sfnt) at offset 0x55D0F 9292 bytes
font_01_sfnt_off00057809.bin
9229f086a5a21e847150fdf28e6bb909a4f090af2669933a6d6f521e7f9c2210		 pdf-font-stream PDF embedded font (sfnt) at offset 0x57809 13052 bytes

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