Malicious PDF — malware analysis report

Static analysis result for SHA-256 2a075bd26182151e…

MALICIOUS

PDF

352.1 KB Created: 2015-08-27 09:49:30 +03:00 Authoring application: wkhtmltopdf 0.12.2.4 (via Qt 4.8.6)
MD5: b02543a7b864482ab0aa6fe10b7f1365 SHA-1: ef6faf22d8cfb08de2411fe96996b8f39a96770c SHA-256: 2a075bd26182151ea776284967ad1dbe4ea983ead9806c070b186597319425da
90 Risk Score

Malware Insights

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

The PDF file was flagged by a machine learning classifier and contains a link to a known malicious redirector infrastructure at botcraftman.ru. This indicates the document is likely part of a phishing or malware distribution campaign. No scripts were extracted, and the document body was truncated, limiting further analysis of the specific lure.

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%B8%D0%B3%D1%80%D1%8B+%D0%BF%D0%B5%D1%81%D0%BE%D1%87%D0%BD%D0%B8%D1%86%D1%8B+%D0%BD%D0%B0+pc+%D1%82%D0%BE%D1%80%D1%80%D0%B5%D0%BD%D1%82&charset=utf-8
    • http://img0.liveinternet.ru/images/attach/c/7//4772/4772018_kartinki__po__pdd_.pdf
    • http://img1.liveinternet.ru/images/attach/c/7//4771/4771888_skachat__igru__kot_.pdf
    • http://img1.liveinternet.ru/images/attach/c/7//4771/4771814_primorskoe__kolco_.pdf

Extracted artifacts 2

Files carved from inside the sample during analysis.

FilenameKindSourceSize
font_00_sfnt_off0005407c.bin
b31943faf1f57453a53105e05b76323fb98843dd0e5ef670108a251b713c3cad		 pdf-font-stream PDF embedded font (sfnt) at offset 0x5407C 8296 bytes
font_01_sfnt_off00055736.bin
eb3b54a6db297ade65f9b248ba976b3e721c88e85e98ae5588f2770086f31df8		 pdf-font-stream PDF embedded font (sfnt) at offset 0x55736 13340 bytes

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