Malicious PDF — malware analysis report

Static analysis result for SHA-256 45089fb15d341282…

MALICIOUS

PDF

185.0 KB Created: 2015-07-23 20:33:09 +03:00 Authoring application: wkhtmltopdf 0.12.2.1 (via Qt 4.8.6)
MD5: 54d4982213c60af2491691045192a56b SHA-1: 6c801e54467751010a190736d062a2b635b296f2 SHA-256: 45089fb15d341282367ecd7e41814e7765937e6dd373952a2fa7de9ae56202d6
60 Risk Score

Malware Insights

MITRE ATT&CK
T1566.002 Spearphishing Attachment T1059.001 PowerShell

The PDF file contains a critical heuristic firing indicating a link to known malicious redirector infrastructure. The embedded URL 'http://botcraftman.ru/?lip&keyword=%D0%BA%D0%BB%D1%8E%D1%87+%D0%B4%D0%BB%D1%8F+windows+7+%D0%B4%D0%BE%D0%BC%D0%B0%D1%88%D0%BD%D1%8F%D1%8F+%D0%B1%D0%B0%D0%B7%D0%BE%D0%B2%D0%B0%D1%8F&charset=utf-8' is the primary indicator of malicious intent. This suggests the document is designed to lure users to a potentially harmful website.

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%BA%D0%BB%D1%8E%D1%87+%D0%B4%D0%BB%D1%8F+windows+7+%D0%B4%D0%BE%D0%BC%D0%B0%D1%88%D0%BD%D1%8F%D1%8F+%D0%B1%D0%B0%D0%B7%D0%BE%D0%B2%D0%B0%D1%8F&charset=utf-8
    • http://fastpic.ru/
    • http://www.liveinternet.ru/click
    • http://img0.liveinternet.ru/images/attach/c/5//4184/4184503_skachat_java_dlya_maynkraft_152.pdf
    • http://img0.liveinternet.ru/images/attach/c/5//4184/4184554_sims_3_polnaya_antologiya_19_v_1_skachat_torrent_besplatno.pdf
    • http://img0.liveinternet.ru/images/attach/c/5//4184/4184574_50_ottenkov_temnee_skachat_besplatno_na_android.pdf

Extracted artifacts 6

Files carved from inside the sample during analysis.

FilenameKindSourceSize
stream_048_off0002a4ff.bin
804a5e555935e582726d1fdd09686b19e361153c69a0b35f60cc1deaa7489ed8		 decompressed-pdf-stream PDF FlateDecoded stream at offset 0x2A4FF 7296 bytes
font_00_sfnt_off00023ec4.bin
880e53e6f12106514012eaabb19a261b9f8ae03d695445fc59a5b9b5a1293281		 pdf-font-stream PDF embedded font (sfnt) at offset 0x23EC4 3556 bytes
font_01_sfnt_off00024c47.bin
292dd935b2205be956aaa6d14ddc9be3b2ddab592ee7d14fdf8415a606117b8d		 pdf-font-stream PDF embedded font (sfnt) at offset 0x24C47 14652 bytes
font_02_sfnt_off000279bd.bin
83b9a0813c608eeb11998fa9ffc1f8558242565b0d08505644e0109a025d3f11		 pdf-font-stream PDF embedded font (sfnt) at offset 0x279BD 14640 bytes
font_04_sfnt_off0002ba31.bin
819f9cc5156bfe3dae03045446d677a19b5879270357875344f9514601da73e3		 pdf-font-stream PDF embedded font (sfnt) at offset 0x2BA31 6084 bytes
font_05_sfnt_off0002c9c6.bin
9364d8c42993f0db1eb41a63b15a48dd56cef5056a611ab8e91dd81183a5a95e		 pdf-font-stream PDF embedded font (sfnt) at offset 0x2C9C6 3752 bytes

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