Malicious PDF — malware analysis report

Static analysis result for SHA-256 225cacaef10ace50…

MALICIOUS

PDF

184.4 KB Created: 2015-07-24 00:03:29 +03:00 Authoring application: wkhtmltopdf 0.12.2.1 (via Qt 4.8.6)
MD5: d82c1ec568cccbdcb8efa39df334f287 SHA-1: 9b979aa6dd67560247144a5f9ea07f1a0eaa92a9 SHA-256: 225cacaef10ace509b4260f2b91a98b21ee870b0d1463bb3a49d9a13c4f67ac8
90 Risk Score

Malware Insights

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

The PDF file contains an embedded link that redirects to a known malicious domain, botcraftman.ru. This indicates a phishing or redirection attempt. The ML classifier also flagged this PDF with high confidence. No scripts were extracted from this sample, limiting the analysis of its specific payload delivery mechanism.

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=key+collector+2015+%D1%81%D0%BA%D0%B0%D1%87%D0%B0%D1%82%D1%8C+%D0%B1%D0%B5%D1%81%D0%BF%D0%BB%D0%B0%D1%82%D0%BD%D0%BE&charset=utf-8
    • http://fastpic.ru/
    • http://www.liveinternet.ru/click
    • http://img1.liveinternet.ru/images/attach/c/5//4185/4185417_malenkie_smeshnuye_scenki_dlya_detey.pdf
    • http://img1.liveinternet.ru/images/attach/c/5//4185/4185183_igra_monstr_hay_roler_meys_skachat_cherez_torrent.pdf
    • http://img0.liveinternet.ru/images/attach/c/5//4184/4184522_ct_po_fizike_2015_zadaniya.pdf

Extracted artifacts 6

Files carved from inside the sample during analysis.

FilenameKindSourceSize
font_00_sfnt_off00023d28.bin
880e53e6f12106514012eaabb19a261b9f8ae03d695445fc59a5b9b5a1293281		 pdf-font-stream PDF embedded font (sfnt) at offset 0x23D28 3556 bytes
font_01_sfnt_off00024aab.bin
227f0b32be33947a8ca62f44c23824ebc7065527502fab648a31c99bc5b77045		 pdf-font-stream PDF embedded font (sfnt) at offset 0x24AAB 14012 bytes
font_02_sfnt_off000276e4.bin
ecad9ff47ceec53a0e33068bda67471ff9d267df89227268d7aef20b92c6f921		 pdf-font-stream PDF embedded font (sfnt) at offset 0x276E4 14816 bytes
font_03_sfnt_off0002a2a3.bin
a68e698cfd9de93298e5f61071d5efc92908f365931082c48f676bd1bed0b5fa		 pdf-font-stream PDF embedded font (sfnt) at offset 0x2A2A3 7192 bytes
font_04_sfnt_off0002b7c5.bin
819f9cc5156bfe3dae03045446d677a19b5879270357875344f9514601da73e3		 pdf-font-stream PDF embedded font (sfnt) at offset 0x2B7C5 6084 bytes
font_05_sfnt_off0002c75a.bin
9364d8c42993f0db1eb41a63b15a48dd56cef5056a611ab8e91dd81183a5a95e		 pdf-font-stream PDF embedded font (sfnt) at offset 0x2C75A 3752 bytes

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