Malicious PDF — malware analysis report

Static analysis result for SHA-256 063a4cd4e9f36489…

MALICIOUS

PDF

370.3 KB Created: 2015-08-29 03:23:37 +03:00 Authoring application: wkhtmltopdf 0.12.2.4 (via Qt 4.8.6)
MD5: 71a2ec6f9ce365b090dd9435f83d716b SHA-1: 2bfad249c0ed2135ca8911316c1f1b546e21e2e0 SHA-256: 063a4cd4e9f36489990f5127945154de641810222950987d0de45d791cca55d4
92 Risk Score

Malware Insights

MITRE ATT&CK
T1566.001 Spearphishing Attachment

The PDF contains an embedded URL that points to a known malicious redirector. This suggests the document is designed to lure the user to a malicious website, likely for phishing or malware delivery. No scripts were extracted, but the presence of the malicious URL is a strong indicator of malicious intent.

Machine Learning

  • Nyx PDF Classifier malicious score 0.9940

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=%D1%82%D0%B5%D0%BC%D1%8B+%D0%B1%D0%B5%D1%81%D0%B5%D0%B4+%D0%BF%D0%BE+%D0%BE%D0%B1%D0%B6+%D0%B2+%D0%BF%D0%B5%D1%80%D0%B2%D0%BE%D0%B9+%D0%BC%D0%BB%D0%B0%D0%B4%D1%88%D0%B5%D0%B9+%D0%B3%D1%80%D1%83%D0%BF%D0%BF%D0%B5&charset=utf-8
    • http://img1.liveinternet.ru/images/attach/c/7//4817/4817483_angliyskiy__alfavit__s_.pdf
    • http://img1.liveinternet.ru/images/attach/c/7//4817/4817691_russko__mariyskiy__slovar_.pdf
    • http://img0.liveinternet.ru/images/attach/c/7//4820/4820509_nataliya__terenteva__loshad_.pdf

Extracted artifacts 2

Files carved from inside the sample during analysis.

FilenameKindSourceSize
font_00_sfnt_off000580e7.bin
6705427990d02ec24513a27cfbba8ec423a2465fc9955e4434cb262e2c0a6026		 pdf-font-stream PDF embedded font (sfnt) at offset 0x580E7 11088 bytes
font_01_sfnt_off0005a0a7.bin
bbe759d603ad3544d1137c3ba0a71867c015d60aab57fd925ec5838f9adf6427		 pdf-font-stream PDF embedded font (sfnt) at offset 0x5A0A7 12696 bytes

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