Malicious PDF — malware analysis report

Static analysis result for SHA-256 c2723bfde0acccdf…

MALICIOUS

PDF

186.8 KB Created: 2015-07-23 21:03:04 +03:00 Authoring application: wkhtmltopdf 0.12.2.1 (via Qt 4.8.6)
MD5: 0749aec2114cabb107ce3674c8b2b5c4 SHA-1: 31075f41c91463b3c9a8a85f498e5805e45c1849 SHA-256: c2723bfde0acccdfaf53780561f43d45e0a390c138820d18f52114ac30aa1547
90 Risk Score

Malware Insights

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

The PDF file was flagged by a machine learning classifier and contains a link to a known malicious redirector infrastructure. The embedded URL points to 'botcraftman.ru', which is associated with malicious redirection. This suggests the document is designed to lure users to a malicious website, likely for phishing or malware delivery. No scripts were extracted from this sample.

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=mortal+kombat+3+ultimate+%D1%81%D0%BA%D0%B0%D1%87%D0%B0%D1%82%D1%8C+%D0%BD%D0%B0+pc+%D1%82%D0%BE%D1%80%D1%80%D0%B5%D0%BD%D1%82&charset=utf-8
    • http://fastpic.ru/
    • http://www.liveinternet.ru/click
    • http://img0.liveinternet.ru/images/attach/c/5//4184/4184475_ppr_na_yelektromontazhnuye_rabotuy_skachat_besplatno.pdf
    • http://img0.liveinternet.ru/images/attach/c/5//4184/4184617_skachat_vord_probnuyu_versiyu_besplatno.pdf
    • http://img0.liveinternet.ru/images/attach/c/5//4184/4184595_skachat_besplatno_vuykroyki_platev_dlya_polnuyh.pdf

Extracted artifacts 6

Files carved from inside the sample during analysis.

FilenameKindSourceSize
font_00_sfnt_off0002429b.bin
880e53e6f12106514012eaabb19a261b9f8ae03d695445fc59a5b9b5a1293281		 pdf-font-stream PDF embedded font (sfnt) at offset 0x2429B 3556 bytes
font_01_sfnt_off0002501e.bin
888aa6a74cc332a8c9c72f889608f63c8c5555ee05f187de9df3aff9a83af684		 pdf-font-stream PDF embedded font (sfnt) at offset 0x2501E 15436 bytes
font_02_sfnt_off00027ff7.bin
5d6cd2d75f732003aad63da2b81246bf7981f8a19fff49fdf10eb9ae0ca30df1		 pdf-font-stream PDF embedded font (sfnt) at offset 0x27FF7 14876 bytes
font_03_sfnt_off0002abd7.bin
6d209148b8612e15d05e0988a863cb324ec83e1e2d91dc53f33e2f0b43364257		 pdf-font-stream PDF embedded font (sfnt) at offset 0x2ABD7 7424 bytes
font_04_sfnt_off0002c198.bin
819f9cc5156bfe3dae03045446d677a19b5879270357875344f9514601da73e3		 pdf-font-stream PDF embedded font (sfnt) at offset 0x2C198 6084 bytes
font_05_sfnt_off0002d12d.bin
9364d8c42993f0db1eb41a63b15a48dd56cef5056a611ab8e91dd81183a5a95e		 pdf-font-stream PDF embedded font (sfnt) at offset 0x2D12D 3752 bytes

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