Malicious PDF — malware analysis report

Static analysis result for SHA-256 465340101ed617a6…

MALICIOUS

PDF

359.7 KB Created: 2015-08-27 13:32:46 +03:00 Authoring application: wkhtmltopdf 0.12.2.4 (via Qt 4.8.6)
MD5: 7ee9bea1bb74ef0bdb50226f6f08ac74 SHA-1: bd89f1dc03b02dc2d040e2ef01ca7ac389e80844 SHA-256: 465340101ed617a67b3ae78fd05de7af341163d52a8d5c360e213565b0270321
120 Risk Score

Malware Insights

MITRE ATT&CK
T1204.002 Malicious Link

The PDF file contains a critical heuristic firing for a malicious redirector link pointing to 'http://botcraftman.ru/'. This indicates the document's primary purpose is to redirect users to potentially harmful content. The ClamAV detection further supports its malicious nature. No scripts were extracted, and the document body was truncated, but the presence of the malicious URL is sufficient evidence for this assessment.

Heuristics 3

  • 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.
  • ClamAV: Pdf.Dropper.Agent-8015961-0 critical CLAMAV_DETECTION
    ClamAV detected this file as malware: Pdf.Dropper.Agent-8015961-0
  • 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%81%D0%BA%D0%B0%D1%87%D0%B0%D1%82%D1%8C+%D1%81%D0%B1%D0%BE%D1%80%D0%BA%D1%83+minecraft+172+%D1%81+%D0%BC%D0%BE%D0%B4%D0%B0%D0%BC%D0%B8&charset=utf-8
    • http://img1.liveinternet.ru/images/attach/c/7//4771/4771902_kosuy__po__informatike_.pdf
    • http://img0.liveinternet.ru/images/attach/c/7//4774/4774819_skachat__besplatno__instrukciya_.pdf
    • http://img0.liveinternet.ru/images/attach/c/7//4774/4774596_provincialnuyy__igrok__2_.pdf

Extracted artifacts 2

Files carved from inside the sample during analysis.

FilenameKindSourceSize
font_00_sfnt_off00055549.bin
cd08051438e202fd7373933bda0b3138c3ff0c8560cd9b3356fcdbb9a1f2e475		 pdf-font-stream PDF embedded font (sfnt) at offset 0x55549 10296 bytes
font_01_sfnt_off000571d2.bin
fc20053334eca9d4a5fbdaaf0ece49b91b4947a9f2f57969e459a0b92abf9a2b		 pdf-font-stream PDF embedded font (sfnt) at offset 0x571D2 14780 bytes

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