Malicious PDF — malware analysis report

Static analysis result for SHA-256 c29babd78515cdd3…

MALICIOUS

PDF

186.5 KB Created: 2015-07-28 10:45:39 +03:00 Authoring application: wkhtmltopdf 0.12.2.1 (via Qt 4.8.6)
MD5: 00ecc87477b0f3a050f94bfd5cd7441c SHA-1: 60f02cbe76b8ac0019c6eb0243e71c4a6046d996 SHA-256: c29babd78515cdd3d50b14a9ad786850bad5a76a7f42a6c07959c06166558983
90 Risk Score

Malware Insights

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

The PDF file contains a link to a known malicious redirector infrastructure. The ML classifier also strongly indicated maliciousness. The primary attack vector appears to be directing the user to the malicious URL http://botcraftman.ru/ for further exploitation, likely for phishing or malware delivery.

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=%D1%81%D0%BA%D0%B0%D1%87%D0%B0%D1%82%D1%8C+%D0%B8%D0%B3%D1%80%D1%83+%D0%BF%D1%80%D0%BE%D1%82%D0%BE%D1%82%D0%B8%D0%BF+%D1%87%D0%B5%D1%80%D0%B5%D0%B7+%D1%82%D0%BE%D1%80%D1%80%D0%B5%D0%BD%D1%82+%D0%BD%D0%B0+%D0%BA%D0%BE%D0%BC%D0%BF%D1%8C%D1%8E%D1%82%D0%B5%D1%80&charset=utf-8
    • http://fastpic.ru/
    • http://www.liveinternet.ru/click
    • http://img1.liveinternet.ru/images/attach/c/5//4221/4221466_fifa_13_kod_produkta_origin.pdf
    • http://img1.liveinternet.ru/images/attach/c/5//4231/4231545_kapuki_kanuki_skachat_torrent_besplatno.pdf
    • http://img1.liveinternet.ru/images/attach/c/5//4193/4193134_skachat_drayver_dlya_lenovo_wifi.pdf

Extracted artifacts 6

Files carved from inside the sample during analysis.

FilenameKindSourceSize
font_00_sfnt_off00024633.bin
880e53e6f12106514012eaabb19a261b9f8ae03d695445fc59a5b9b5a1293281		 pdf-font-stream PDF embedded font (sfnt) at offset 0x24633 3556 bytes
font_01_sfnt_off000253b6.bin
4325249137601d8acca187f4c11fce64c2191c473f1e85629a7b9f3ab5e9a1d8		 pdf-font-stream PDF embedded font (sfnt) at offset 0x253B6 14916 bytes
font_02_sfnt_off00028287.bin
4ae165705ecc41720893a92c6e94e3ee89b3be36a12e4a920505046f59c61edc		 pdf-font-stream PDF embedded font (sfnt) at offset 0x28287 14468 bytes
font_03_sfnt_off0002ad35.bin
b7e40dd024fa22d0741f7babb01e26c425792e5a2c265be017954485258f65d9		 pdf-font-stream PDF embedded font (sfnt) at offset 0x2AD35 6612 bytes
font_04_sfnt_off0002c028.bin
819f9cc5156bfe3dae03045446d677a19b5879270357875344f9514601da73e3		 pdf-font-stream PDF embedded font (sfnt) at offset 0x2C028 6084 bytes
font_05_sfnt_off0002cfbd.bin
9364d8c42993f0db1eb41a63b15a48dd56cef5056a611ab8e91dd81183a5a95e		 pdf-font-stream PDF embedded font (sfnt) at offset 0x2CFBD 3752 bytes

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