Malicious PDF — malware analysis report

Static analysis result for SHA-256 fe05b911bbf25570…

MALICIOUS

PDF

185.2 KB Created: 2015-07-23 21:12:59 +03:00 Authoring application: wkhtmltopdf 0.12.2.1 (via Qt 4.8.6)
MD5: 38b530d061f8f7c8a881b4883212a2b7 SHA-1: 58b2eeb83307b732452cb98202e97348470825ca SHA-256: fe05b911bbf255703f5aa4c8a6835f09b166fd3326794c470ebe391ed720269c
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 at http://botcraftman.ru/. This suggests the document is designed to lure users to a malicious website, likely for phishing or malware distribution. No scripts were extracted, and the document body was truncated, limiting further analysis of the specific lure.

Machine Learning

  • Nyx PDF Classifier malicious score 0.9982

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%80%D0%B8%D0%BC+%D1%82%D0%BE%D1%82%D0%B0%D0%BB+%D0%B2%D0%B0%D1%80+2+%D1%81%D0%BA%D0%B0%D1%87%D0%B0%D1%82%D1%8C+%D1%82%D0%BE%D1%80%D1%80%D0%B5%D0%BD%D1%82+%D1%80%D1%83%D1%81%D1%81%D0%BA%D1%83%D1%8E+%D0%B2%D0%B5%D1%80%D1%81%D0%B8%D1%8E&charset=utf-8
    • http://fastpic.ru/
    • http://www.liveinternet.ru/click
    • http://img0.liveinternet.ru/images/attach/c/5//4184/4184791_skachat_chit_na_varfeys_na_aim.pdf
    • http://img0.liveinternet.ru/images/attach/c/5//4184/4184452_skachat_ze_kryu_cherez_torrent.pdf
    • http://img0.liveinternet.ru/images/attach/c/5//4184/4184793_anketa_na_shengenskuyu_vizu_v_finlyandiyu.pdf

Extracted artifacts 6

Files carved from inside the sample during analysis.

FilenameKindSourceSize
font_00_sfnt_off00024373.bin
880e53e6f12106514012eaabb19a261b9f8ae03d695445fc59a5b9b5a1293281		 pdf-font-stream PDF embedded font (sfnt) at offset 0x24373 3556 bytes
font_01_sfnt_off000250f6.bin
9a2a8b228c9a13e4260d1e0010b585779227116f4d55f7e2d98a6f8ddd082af4		 pdf-font-stream PDF embedded font (sfnt) at offset 0x250F6 13780 bytes
font_02_sfnt_off00027c92.bin
e6ad3f97c7dfbd44db78ad6fe45b1839a6a1c0d34936cef119d0a310e59b6237		 pdf-font-stream PDF embedded font (sfnt) at offset 0x27C92 14468 bytes
font_03_sfnt_off0002a742.bin
73590ad81ab14f9ad2ad25a1aa89115ae2b05c2d180f39f4dbdebfdae1755a89		 pdf-font-stream PDF embedded font (sfnt) at offset 0x2A742 6784 bytes
font_04_sfnt_off0002bada.bin
819f9cc5156bfe3dae03045446d677a19b5879270357875344f9514601da73e3		 pdf-font-stream PDF embedded font (sfnt) at offset 0x2BADA 6084 bytes
font_05_sfnt_off0002ca6f.bin
9364d8c42993f0db1eb41a63b15a48dd56cef5056a611ab8e91dd81183a5a95e		 pdf-font-stream PDF embedded font (sfnt) at offset 0x2CA6F 3752 bytes

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