Malicious PDF — malware analysis report

Static analysis result for SHA-256 fbed92363b3de081…

MALICIOUS

PDF

370.3 KB Created: 2015-08-29 11:06:25 +03:00 Authoring application: wkhtmltopdf 0.12.2.4 (via Qt 4.8.6) First seen: 2021-07-10
MD5: acdd5c3ad5db7b88fa4144e1038e000a SHA-1: f3bc3cc15f0b2616be32e0cd61c7df796a9cf0cc SHA-256: fbed92363b3de0813f69e683e86bdba48ab31e39973f7ebd666c0418b2e4b403
92 Risk Score

Malware Insights

MITRE ATT&CK
T1566.001 Spearphishing Attachment

The PDF contains a critical heuristic firing indicating a link to known malicious redirector infrastructure. The embedded URL, http://botcraftman.ru/..., is the primary indicator of malicious intent. While no scripts were extracted, the presence of a malicious link suggests an attempt to lure the user to a compromised site, likely for further exploitation or credential harvesting.

Machine Learning

  • Nyx PDF Classifier malicious score 0.9975

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%83%D0%BF%D1%80%D0%B0%D0%B2%D0%BB%D0%B5%D0%BD%D1%87%D0%B5%D1%81%D0%BA%D0%B8%D0%B9+%D1%83%D1%87%D0%B5%D1%82+%D0%B7%D0%B0+14+%D0%B4%D0%BD%D0%B5%D0%B9+%D1%81%D0%BA%D0%B0%D1%87%D0%B0%D1%82%D1%8C&charset=utf-8 In PDF document text
    • http://img0.liveinternet.ru/images/attach/c/7//4830/4830005_igruy__na__piispi_.pdfIn PDF document text
    • http://img1.liveinternet.ru/images/attach/c/7//4829/4829930_skachat__igruy__na_.pdfIn PDF document text
    • http://img1.liveinternet.ru/images/attach/c/7//4829/4829901_ezel__na_.pdfIn PDF document text

Extracted artifacts 2

Files carved from inside the sample during analysis.

FilenameKindSourceSize
font_00_sfnt_off000584c2.bin pdf-font-stream PDF embedded font (sfnt) at offset 0x584C2 9260 bytes
SHA-256: 5ee5679afaba836763b7f6a183a2993c05713ba502457d9f830d4c68acb8216d
font_01_sfnt_off00059dea.bin pdf-font-stream PDF embedded font (sfnt) at offset 0x59DEA 13844 bytes
SHA-256: d33fbfe8b807cf08a8e73c8351efe0d5002be095e6a2538843b86d3925d85ed1

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