Malicious PDF — malware analysis report

Static analysis result for SHA-256 adb4839aab9538df…

MALICIOUS

PDF

184.2 KB Created: 2015-07-24 00:50:49 +03:00 Authoring application: wkhtmltopdf 0.12.2.1 (via Qt 4.8.6)
MD5: 6fce2e74097390ac2c2f380df7fad581 SHA-1: f1ff41d54d30f61bb72760bb7db87e16a9fb8070 SHA-256: adb4839aab9538dfccfb20c8fe91b93bbc60f9f349a366cf594e2dd10905b03f
60 Risk Score

Malware Insights

MITRE ATT&CK
T1059.001 PowerShell

The PDF file contains a link to a known malicious redirector. The heuristic PDF_MALICIOUS_REDIRECTOR_LINK confirms this, indicating the document's primary purpose is to lead the user to a potentially harmful site. The URL http://botcraftman.ru/ is the highest priority IOC. No scripts were extracted from this sample.

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=whatsapp+%D0%BF%D0%BE%D1%81%D0%BB%D0%B5%D0%B4%D0%BD%D1%8F%D1%8F+%D0%B2%D0%B5%D1%80%D1%81%D0%B8%D1%8F&charset=utf-8
    • http://fastpic.ru/
    • http://www.liveinternet.ru/click
    • http://img0.liveinternet.ru/images/attach/c/5//4184/4184842_velikolepnuyy_vek_3_sezon_skachat_besplatno_cherez_torrent.pdf
    • http://img1.liveinternet.ru/images/attach/c/5//4185/4185343_dzhordzh_martin_vetruy_zimuy_chitat_besplatno_onlayn.pdf
    • http://img0.liveinternet.ru/images/attach/c/5//4184/4184554_sims_3_polnaya_antologiya_19_v_1_skachat_torrent_besplatno.pdf

Extracted artifacts 6

Files carved from inside the sample during analysis.

FilenameKindSourceSize
stream_048_off0002a3a9.bin
eaa8a1bed2eb49859d3d3ad3d242ec9ddd65afcb730c80b886b2b9659c2d3098		 decompressed-pdf-stream PDF FlateDecoded stream at offset 0x2A3A9 6716 bytes
font_00_sfnt_off00023c29.bin
880e53e6f12106514012eaabb19a261b9f8ae03d695445fc59a5b9b5a1293281		 pdf-font-stream PDF embedded font (sfnt) at offset 0x23C29 3556 bytes
font_01_sfnt_off000249ac.bin
35d95f58f5d8a540b780efd73d9a535e833aa6303606e472a3c0fd2b904e6548		 pdf-font-stream PDF embedded font (sfnt) at offset 0x249AC 15160 bytes
font_02_sfnt_off00027875.bin
22e423e23cd310b9e41d5ca53a20034519bd54e64af62a5a0c0c6eeaa9a147fc		 pdf-font-stream PDF embedded font (sfnt) at offset 0x27875 14680 bytes
font_04_sfnt_off0002b6f0.bin
819f9cc5156bfe3dae03045446d677a19b5879270357875344f9514601da73e3		 pdf-font-stream PDF embedded font (sfnt) at offset 0x2B6F0 6084 bytes
font_05_sfnt_off0002c685.bin
9364d8c42993f0db1eb41a63b15a48dd56cef5056a611ab8e91dd81183a5a95e		 pdf-font-stream PDF embedded font (sfnt) at offset 0x2C685 3752 bytes

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