Malicious PDF — malware analysis report

Static analysis result for SHA-256 f24dac1d6b52984f…

MALICIOUS

PDF

186.8 KB Created: 2015-07-23 20:10:53 +03:00 Authoring application: wkhtmltopdf 0.12.2.1 (via Qt 4.8.6)
MD5: 36b238bf1523d32db9b4d208fa18eae5 SHA-1: 33702573cf256353eaad318b0a319412bee34c3d SHA-256: f24dac1d6b52984f1569dcc740f533836f4564447cf4f47f56ac28dbd582027d
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 critical heuristic indicating a link to known malicious redirector infrastructure. The embedded URL 'http://botcraftman.ru/...' is the primary indicator of malicious intent, likely serving as a lure to a phishing or malware distribution site. 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=%D0%BD%D0%BE%D0%B2%D1%8B%D0%B5+biss+%D0%BA%D0%BE%D0%B4%D1%8B+%D0%BD%D0%B0+2015+%D0%B3%D0%BE%D0%B4+%D1%81%D0%BF%D1%83%D1%82%D0%BD%D0%B8%D0%BA%D0%BE%D0%B2%D0%BE%D0%B3%D0%BE+%D1%82%D0%B5%D0%BB%D0%B5%D0%B2%D0%B8%D0%B4%D0%B5%D0%BD%D0%B8%D1%8F&charset=utf-8
    • http://fastpic.ru/
    • http://www.liveinternet.ru/click
    • http://img0.liveinternet.ru/images/attach/c/5//4184/4184385_dzheyms_rollins_tropa_mertvuyh_skachat_besplatno_fb2.pdf
    • http://img1.liveinternet.ru/images/attach/c/5//4183/4183200_lampovuyy_peregruz_shema.pdf
    • http://img1.liveinternet.ru/images/attach/c/5//4183/4183256_shema_podklyucheniya_gerkona.pdf

Extracted artifacts 6

Files carved from inside the sample during analysis.

FilenameKindSourceSize
stream_048_off0002ac1a.bin
68502347ccfa6474e0763efa4ba43b7b649a6ae4346f468d2d5074e4ad931577		 decompressed-pdf-stream PDF FlateDecoded stream at offset 0x2AC1A 7220 bytes
font_00_sfnt_off00024563.bin
880e53e6f12106514012eaabb19a261b9f8ae03d695445fc59a5b9b5a1293281		 pdf-font-stream PDF embedded font (sfnt) at offset 0x24563 3556 bytes
font_01_sfnt_off000252e6.bin
ab1fd79f29bac7ba02888e3037886e4497dc6cd2a281aadece38313e18419dae		 pdf-font-stream PDF embedded font (sfnt) at offset 0x252E6 14548 bytes
font_02_sfnt_off00028084.bin
ff56af0e2218634898628c9c1692d4d0d381ad2c029ffae356361bc0f90560f1		 pdf-font-stream PDF embedded font (sfnt) at offset 0x28084 14776 bytes
font_04_sfnt_off0002c141.bin
819f9cc5156bfe3dae03045446d677a19b5879270357875344f9514601da73e3		 pdf-font-stream PDF embedded font (sfnt) at offset 0x2C141 6084 bytes
font_05_sfnt_off0002d0d6.bin
9364d8c42993f0db1eb41a63b15a48dd56cef5056a611ab8e91dd81183a5a95e		 pdf-font-stream PDF embedded font (sfnt) at offset 0x2D0D6 3752 bytes

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