Malicious PDF — malware analysis report

Static analysis result for SHA-256 08c00d1a653f8caa…

MALICIOUS

PDF

185.8 KB Created: 2015-07-24 20:59:02 +03:00 Authoring application: wkhtmltopdf 0.12.2.1 (via Qt 4.8.6)
MD5: 1a337cefeaee0ce5c525272ec7846de0 SHA-1: 52e45233cd4f5235bb6f363bc230ede545cbed58 SHA-256: 08c00d1a653f8caa7fbd842ccf384b4735e328e2939c4a13c4058356d5cd673b
92 Risk Score

Malware Insights

MITRE ATT&CK
T1566.001 Spearphishing Attachment

The PDF file was flagged by a machine learning classifier and contains a critical heuristic indicating a malicious redirector link. The embedded URL `http://botcraftman.ru/...` is identified as a known malicious redirector. 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 0.9982

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%A1%D0%BA%D0%B0%D1%87%D0%B0%D1%82%D1%8C+%D1%82%D0%B5%D0%BC%D1%83+warface+%D0%B4%D0%BB%D1%8F+windows+7+ultimate&charset=utf-8
    • http://fastpic.ru/
    • http://www.liveinternet.ru/click
    • http://img1.liveinternet.ru/images/attach/c/5//4193/4193311_programmuy_dlya_nokia_5300_skachat_besplatno.pdf
    • http://img0.liveinternet.ru/images/attach/c/5//4190/4190992_igor_hort_shahter_3_sektor_naur_skachat_besplatno.pdf
    • http://img1.liveinternet.ru/images/attach/c/5//4185/4185180_rington_shilova_v_horoshem_kachestve_skachat.pdf
    • http://www.microsoft.com/typography/fonts/You
    • http://www.microsoft.com/typography/fonts/

Extracted artifacts 6

Files carved from inside the sample during analysis.

FilenameKindSourceSize
stream_048_off0002a686.bin
b72237f0da19300edceb57093c23a72899d687c1f86bf923878a4e4dcb4c17ca		 decompressed-pdf-stream PDF FlateDecoded stream at offset 0x2A686 7716 bytes
font_00_sfnt_off00023e2f.bin
880e53e6f12106514012eaabb19a261b9f8ae03d695445fc59a5b9b5a1293281		 pdf-font-stream PDF embedded font (sfnt) at offset 0x23E2F 3556 bytes
font_01_sfnt_off00024bb2.bin
a704c7951a176ca36bf23165336d2ff073a65523dca789ffb933d95b8f1bd1be		 pdf-font-stream PDF embedded font (sfnt) at offset 0x24BB2 14984 bytes
font_02_sfnt_off00027a3b.bin
dc41a1d0ad826bf8cac0d979c134ad9019c1864e7c7062b8aa5906818a37150f		 pdf-font-stream PDF embedded font (sfnt) at offset 0x27A3B 14960 bytes
font_04_sfnt_off0002bd78.bin
819f9cc5156bfe3dae03045446d677a19b5879270357875344f9514601da73e3		 pdf-font-stream PDF embedded font (sfnt) at offset 0x2BD78 6084 bytes
font_05_sfnt_off0002cd0d.bin
9364d8c42993f0db1eb41a63b15a48dd56cef5056a611ab8e91dd81183a5a95e		 pdf-font-stream PDF embedded font (sfnt) at offset 0x2CD0D 3752 bytes

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