Malicious PDF — malware analysis report

Static analysis result for SHA-256 aba1ac5c5bcbf17d…

MALICIOUS

PDF

185.6 KB Created: 2015-08-08 14:06:46 +03:00 Authoring application: wkhtmltopdf 0.12.2.1 (via Qt 4.8.6)
MD5: 5bf6dedd1433121ea12052406211bca0 SHA-1: e099c62685b49f38f62f66c924f2eef0a0a1e561 SHA-256: aba1ac5c5bcbf17d0b4c6f966c8931fafabf8ee51b162884a155763599d2cf10
60 Risk Score

Malware Insights

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

The PDF file contains a critical heuristic firing for a malicious redirector link. The embedded URL 'http://botcraftman.ru/?lip&keyword=%D0%B1%D0%B5%D1%81%D0%BF%D0%BE%D1%89%D0%B0%D0%B4%D0%BD%D0%B0%D1%8F+%D0%B8%D1%81%D1%82%D0%B8%D0%BD%D0%B0+%D0%BC%D0%B0%D0%B9%D0%BA+%D1%82%D0%B0%D0%B9%D1%81%D0%BE%D0%BD+%D1%81%D0%BA%D0%B0%D1%87%D0%B0%D1%82%D1%8C&charset=utf-8' is known to point to malicious infrastructure. No scripts were extracted, but the presence of this link strongly suggests a phishing or malware distribution attempt.

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%B1%D0%B5%D1%81%D0%BF%D0%BE%D1%89%D0%B0%D0%B4%D0%BD%D0%B0%D1%8F+%D0%B8%D1%81%D1%82%D0%B8%D0%BD%D0%B0+%D0%BC%D0%B0%D0%B9%D0%BA+%D1%82%D0%B0%D0%B9%D1%81%D0%BE%D0%BD+%D1%81%D0%BA%D0%B0%D1%87%D0%B0%D1%82%D1%8C&charset=utf-8
    • http://fastpic.ru/
    • http://www.liveinternet.ru/click
    • http://img0.liveinternet.ru/images/attach/c/6//4390/4390105_shot_skachat_vse_albomuy_torrent.pdf
    • http://img1.liveinternet.ru/images/attach/c/6//4391/4391565_programma_dlya_sozdaniya_bitov_na_russkom_torrent.pdf
    • http://img0.liveinternet.ru/images/attach/c/6//4384/4384316_skachat_multfilm_valli_na_telefon.pdf

Extracted artifacts 6

Files carved from inside the sample during analysis.

FilenameKindSourceSize
font_00_sfnt_off000244e9.bin
880e53e6f12106514012eaabb19a261b9f8ae03d695445fc59a5b9b5a1293281		 pdf-font-stream PDF embedded font (sfnt) at offset 0x244E9 3556 bytes
font_01_sfnt_off0002526c.bin
9db566b31184f66ead3f6c14bdb6bdf369e1174da1b53c7cf1a12df4a30b3044		 pdf-font-stream PDF embedded font (sfnt) at offset 0x2526C 14324 bytes
font_02_sfnt_off00027f0e.bin
a9770cbb19a982a1ca245ae9dd57c2ebe78e8510dfe5e68aa43f25edc86204a3		 pdf-font-stream PDF embedded font (sfnt) at offset 0x27F0E 14468 bytes
font_03_sfnt_off0002a9c0.bin
8d6c4bc6364d7938255af820f0d14f8319dcb8451bace29e0456bee49691df93		 pdf-font-stream PDF embedded font (sfnt) at offset 0x2A9C0 6624 bytes
font_04_sfnt_off0002bc7c.bin
819f9cc5156bfe3dae03045446d677a19b5879270357875344f9514601da73e3		 pdf-font-stream PDF embedded font (sfnt) at offset 0x2BC7C 6084 bytes
font_05_sfnt_off0002cc11.bin
9364d8c42993f0db1eb41a63b15a48dd56cef5056a611ab8e91dd81183a5a95e		 pdf-font-stream PDF embedded font (sfnt) at offset 0x2CC11 3752 bytes

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