Malicious PDF — malware analysis report

Static analysis result for SHA-256 8962971f5c2add17…

MALICIOUS

PDF

187.0 KB Created: 2015-07-24 09:17:18 +03:00 Authoring application: wkhtmltopdf 0.12.2.1 (via Qt 4.8.6)
MD5: 24422eba6231acf8382744943b52bb99 SHA-1: 3bffd0a17bd79b1e9234caddfd47e11e65d1ffba SHA-256: 8962971f5c2add17b070d13c4cd5fcfa91baf13c4ed901a2d2aed0b720369d84
92 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. This suggests the document is designed to lure users to a malicious website. No scripts were extracted, and the document body was truncated, limiting further analysis of the specific lure.

Machine Learning

  • Nyx PDF Classifier malicious score 0.9980

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%BA+%D0%B8%D0%B3%D1%80%D0%B5+%D0%BA%D0%B0%D0%BA+%D0%B4%D0%BE%D1%81%D1%82%D0%B0%D1%82%D1%8C+%D1%81%D0%BE%D1%81%D0%B5%D0%B4%D0%B0+%D1%81%D0%BB%D0%B0%D0%B4%D0%BA%D0%B0%D1%8F+%D0%BC%D0%B5%D1%81%D1%82%D1%8C+%D0%BE%D1%82+%D0%B0%D0%BB%D0%B0%D0%B2%D0%B0%D1%80+%D1%87%D0%B8%D1%82%D0%B0%D1%82%D1%8C&charset=utf-8
    • http://fastpic.ru/
    • http://www.liveinternet.ru/click
    • http://img0.liveinternet.ru/images/attach/c/5//4188/4188187_kak_uznat_kod_kraski_avtomobilya_po_vin_kodu.pdf
    • http://img1.liveinternet.ru/images/attach/c/5//4187/4187958_sains_rov_4_koduy.pdf
    • http://img1.liveinternet.ru/images/attach/c/5//4185/4185389_princessuy_zacharovannuyy_mir_skachat_torrent.pdf

Extracted artifacts 6

Files carved from inside the sample during analysis.

FilenameKindSourceSize
font_00_sfnt_off000248b1.bin
880e53e6f12106514012eaabb19a261b9f8ae03d695445fc59a5b9b5a1293281		 pdf-font-stream PDF embedded font (sfnt) at offset 0x248B1 3556 bytes
font_01_sfnt_off00025634.bin
bacd07dcf30808422f5c37085b3df8db8e848bda885baefa1068bcd8ebc1da53		 pdf-font-stream PDF embedded font (sfnt) at offset 0x25634 14440 bytes
font_02_sfnt_off000283ab.bin
13c118e1b16d932ee74b7fb21ba03c9b98cbe48dfb6f44f054098b58aeb7df02		 pdf-font-stream PDF embedded font (sfnt) at offset 0x283AB 14468 bytes
font_03_sfnt_off0002ae5b.bin
36bcff9d7b9ebb947d7fe28c092e0444e72e25dd86dbf2ca976b42077c1185ac		 pdf-font-stream PDF embedded font (sfnt) at offset 0x2AE5B 6900 bytes
font_04_sfnt_off0002c235.bin
819f9cc5156bfe3dae03045446d677a19b5879270357875344f9514601da73e3		 pdf-font-stream PDF embedded font (sfnt) at offset 0x2C235 6084 bytes
font_05_sfnt_off0002d1ca.bin
9364d8c42993f0db1eb41a63b15a48dd56cef5056a611ab8e91dd81183a5a95e		 pdf-font-stream PDF embedded font (sfnt) at offset 0x2D1CA 3752 bytes

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