Malicious PDF — malware analysis report

Static analysis result for SHA-256 f6a718ace11f3f6d…

MALICIOUS

PDF

382.3 KB Created: 2015-08-29 01:53:43 +03:00 Authoring application: wkhtmltopdf 0.12.2.4 (via Qt 4.8.6)
MD5: dc018a2f44d831b917ecad332fbaddfc SHA-1: 8f14b400cb831ab2154895e4b203c8d939ae1087 SHA-256: f6a718ace11f3f6d9eba03f6a11c38fe3567464557af853e4f1c9c96391a30a0
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. The redirector URL is http://botcraftman.ru/. This suggests the document is designed to lure users to a malicious website, likely for phishing or malware delivery. No scripts were extracted from this sample.

Machine Learning

  • Nyx PDF Classifier malicious score 0.9972

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%BF%D1%80%D0%BE%D0%B3%D1%80%D0%B0%D0%BC%D0%BC%D0%B0+%D0%B7%D0%B4%D0%BE%D1%80%D0%BE%D0%B2%D1%8C%D1%8F+%D0%B2+%D0%B4%D0%B5%D1%82%D1%81%D0%BA%D0%BE%D0%BC+%D1%81%D0%B0%D0%B4%D1%83&charset=utf-8
    • http://img1.liveinternet.ru/images/attach/c/7//4817/4817611_podat__zayavlenie__na_.pdf
    • http://img1.liveinternet.ru/images/attach/c/7//4817/4817917_zvuki__volshebstva__skachat_.pdf
    • http://img0.liveinternet.ru/images/attach/c/7//4818/4818690_skachat__glonass__na_.pdf

Extracted artifacts 2

Files carved from inside the sample during analysis.

FilenameKindSourceSize
font_00_sfnt_off0005b632.bin
e2a78d3907f65931fac7622dcbc77ef512a28705e6311a80c9ffd969e50c4624		 pdf-font-stream PDF embedded font (sfnt) at offset 0x5B632 8540 bytes
font_01_sfnt_off0005ce0f.bin
8f34419700e81594974276cecf546f39c501259baf39d91e6de804a914fc8598		 pdf-font-stream PDF embedded font (sfnt) at offset 0x5CE0F 13676 bytes

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