Malicious PDF — malware analysis report

Static analysis result for SHA-256 4043c68369d7a713…

MALICIOUS

PDF

368.2 KB Created: 2015-08-27 23:51:25 +03:00 Authoring application: wkhtmltopdf 0.12.2.4 (via Qt 4.8.6)
MD5: 11ccefa28b4d31c95d79c03da23af48f SHA-1: deedff19dbc56bd618200e84db6702d6ad416c67 SHA-256: 4043c68369d7a71368df25de41c9408e72e123784738075c9a6b54fcbb1ee53e
90 Risk Score

Malware Insights

MITRE ATT&CK
T1566.002 Spearphishing Attachment T1204.001 Malicious Link

The PDF file was flagged by a critical heuristic for linking to known malicious redirector infrastructure. The embedded URL points to 'botcraftman.ru', which is identified as a malicious domain. This suggests the document is designed to lure the user to a harmful website, likely for phishing or to download further malicious content. No scripts were extracted from this sample.

Machine Learning

  • Nyx PDF Classifier malicious score 0.9921

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%B4%D0%BE%D0%B3%D0%BE%D0%B2%D0%BE%D1%80+%D0%BA%D1%83%D0%BF%D0%BB%D0%B8-%D0%BF%D1%80%D0%BE%D0%B4%D0%B0%D0%B6%D0%B8+%D1%82%D1%80%D0%B0%D0%BD%D1%81%D0%BF%D0%BE%D1%80%D1%82%D0%BD%D0%BE%D0%B3%D0%BE+%D1%81%D1%80%D0%B5%D0%B4%D1%81%D1%82%D0%B2%D0%B0+%D0%B1%D0%BB%D0%B0%D0%BD%D0%BA+%D1%81%D0%BA%D0%B0%D1%87%D0%B0%D1%82%D1%8C+2015&charset=utf-8
    • http://img0.liveinternet.ru/images/attach/c/7//4788/4788060_mount__and__blade_.pdf
    • http://img0.liveinternet.ru/images/attach/c/7//4788/4788183_krutuye__launcheruy__maynkraft_.pdf
    • http://img1.liveinternet.ru/images/attach/c/7//4787/4787887_intel__82801ib__ich9_.pdf

Extracted artifacts 2

Files carved from inside the sample during analysis.

FilenameKindSourceSize
font_00_sfnt_off00057696.bin
888bc897b220eb80d99b51cf1fe1968eabb27c158f15c1cfbd30aebb70c70fb7		 pdf-font-stream PDF embedded font (sfnt) at offset 0x57696 8864 bytes
font_01_sfnt_off0005910f.bin
a704f521b0cb004a29fde19aebb29ad097aaf4fdd80f7ce215dd9daef5ead19d		 pdf-font-stream PDF embedded font (sfnt) at offset 0x5910F 15652 bytes

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