Malicious PDF — malware analysis report

Static analysis result for SHA-256 e5dbdea7c1a60a94…

MALICIOUS

PDF

187.7 KB Created: 2015-07-24 07:33:50 +03:00 Authoring application: wkhtmltopdf 0.12.2.1 (via Qt 4.8.6)
MD5: f26f40ef993e51778135d3692424c862 SHA-1: 94f60cf7f1f955b0227d60655d29a2ef3ccb1799 SHA-256: e5dbdea7c1a60a94357e2f0a61ab1ceae0e5884d78a7fe11d7dc97cde0358ef3
90 Risk Score

Malware Insights

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

The PDF file was flagged by multiple heuristics as malicious, including a critical alert for a link to a known malicious redirector. The primary malicious IOC is the URL http://botcraftman.ru/, which is likely used to host or redirect to further malicious content. 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%81%D0%BA%D0%B0%D1%87%D0%B0%D1%82%D1%8C+%D0%B8%D0%B3%D1%80%D1%83+gta+san+andreas+%D1%80%D1%83%D1%81%D1%81%D0%BA%D0%B8%D0%B5+%D0%BC%D0%B0%D1%88%D0%B8%D0%BD%D1%8B+%D1%87%D0%B5%D1%80%D0%B5%D0%B7+%D1%82%D0%BE%D1%80%D1%80%D0%B5%D0%BD%D1%82&charset=utf-8
    • http://fastpic.ru/
    • http://www.liveinternet.ru/click
    • http://img0.liveinternet.ru/images/attach/c/5//4184/4184530_olimpoks_programma.pdf
    • http://img1.liveinternet.ru/images/attach/c/5//4185/4185312_skachat_fps_creator_x9.pdf
    • http://img1.liveinternet.ru/images/attach/c/5//4187/4187124_simcity_goroda_budoscheva_skachat_torrent.pdf

Extracted artifacts 6

Files carved from inside the sample during analysis.

FilenameKindSourceSize
stream_048_off0002aea4.bin
e74dcdca6a2e2971e472d14cc2186eea67d0a1f8cd04fae5f4cf892d53ffab6e		 decompressed-pdf-stream PDF FlateDecoded stream at offset 0x2AEA4 7640 bytes
font_00_sfnt_off0002485b.bin
880e53e6f12106514012eaabb19a261b9f8ae03d695445fc59a5b9b5a1293281		 pdf-font-stream PDF embedded font (sfnt) at offset 0x2485B 3556 bytes
font_01_sfnt_off000255de.bin
f1e3b957582f9bb3fe205a0fddfdb7c24165e27c33c4815e6dd8327b73f86f45		 pdf-font-stream PDF embedded font (sfnt) at offset 0x255DE 14796 bytes
font_02_sfnt_off00028374.bin
b4dfd8a50bcd419dde9ce1518efa7d031aee9ffef755d1267653c575cbf0abce		 pdf-font-stream PDF embedded font (sfnt) at offset 0x28374 14636 bytes
font_04_sfnt_off0002c52d.bin
819f9cc5156bfe3dae03045446d677a19b5879270357875344f9514601da73e3		 pdf-font-stream PDF embedded font (sfnt) at offset 0x2C52D 6084 bytes
font_05_sfnt_off0002d4c2.bin
9364d8c42993f0db1eb41a63b15a48dd56cef5056a611ab8e91dd81183a5a95e		 pdf-font-stream PDF embedded font (sfnt) at offset 0x2D4C2 3752 bytes

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