Malicious PDF — malware analysis report

Static analysis result for SHA-256 a9458dba8acb42b0…

MALICIOUS

PDF

381.6 KB Created: 2015-08-21 09:12:50 +03:00 Authoring application: wkhtmltopdf 0.12.2.4 (via Qt 4.8.6)
MD5: 28f4cfcdbd21202412768f5c4155f7c7 SHA-1: 63b1a14fb0ff225bd8d0ea93b52a463832c06abc SHA-256: a9458dba8acb42b06b02c1f37f9b39775295b98b73a692ba3cff8fd308ebb2ab
62 Risk Score

Malware Insights

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

The PDF file contains a link to a known malicious redirector. This indicates the document is likely intended to lure the user to a malicious website, potentially for phishing or to download further malware. No scripts were extracted, and the document body was heavily obfuscated, limiting further analysis of the specific lure.

Machine Learning

  • Nyx PDF Classifier suspicious score 0.3299

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%A7%D0%B5%D0%BA+%D0%BE%D1%80%D0%B4%D0%B5%D1%80+%D1%81%D0%B1%D0%B5%D1%80%D0%B1%D0%B0%D0%BD%D0%BA%D0%B0+%D1%88%D1%80%D0%B8%D1%84%D1%82&charset=utf-8

Extracted artifacts 2

Files carved from inside the sample during analysis.

FilenameKindSourceSize
font_00_sfnt_off0005b268.bin
28ed54378e51219e052eaf820fbb65d301342e1250e6b811c4e7f95d8abc37ff		 pdf-font-stream PDF embedded font (sfnt) at offset 0x5B268 8928 bytes
font_01_sfnt_off0005cc00.bin
32bde8086536cabbc990da4ccea64698227c3a1b3a01614cf8a846e1bbf09d5b		 pdf-font-stream PDF embedded font (sfnt) at offset 0x5CC00 13536 bytes

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