Malicious PDF — malware analysis report

Static analysis result for SHA-256 9a9e18ecef1b265b…

MALICIOUS

PDF

185.8 KB Created: 2015-07-25 02:20:41 +03:00 Authoring application: wkhtmltopdf 0.12.2.1 (via Qt 4.8.6)
MD5: f2a01f6e338569e8fe77cfde2ddb7e7b SHA-1: 37a83d31a82ec3215b9e7c291277af9822d0adb0 SHA-256: 9a9e18ecef1b265b5abf7846f16c7bb4b35a5b173f189b3f9a53f645904be9fc
150 Risk Score

Malware Insights

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

The PDF file was flagged by multiple heuristics, including a critical alert for a malicious redirector link and a ClamAV detection for Pdf.Dropper.Agent-7494483-0. The embedded URL points to botcraftman.ru, which is identified as known malicious infrastructure. This suggests the document's primary purpose is to lure the user to a malicious site, likely for further exploitation or credential harvesting.

Machine Learning

  • Nyx PDF Classifier malicious score 0.9982

Heuristics 3

  • 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.
  • ClamAV: Pdf.Dropper.Agent-7494483-0 critical CLAMAV_DETECTION
    ClamAV detected this file as malware: Pdf.Dropper.Agent-7494483-0
  • 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%A1%D0%BA%D0%B0%D1%87%D0%B0%D1%82%D1%8C+%D0%B8%D0%B3%D1%80%D1%83+%D0%B3%D1%82%D0%B0+4+%D0%B4%D0%B0%D0%B3%D0%B5%D1%81%D1%82%D0%B0%D0%BD+%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//4194/4194251_skachat_yekvalayzer_dlya_kolonok_sven.pdf
    • http://img0.liveinternet.ru/images/attach/c/5//4196/4196716_fifa_2015_psp_skachat.pdf
    • http://img1.liveinternet.ru/images/attach/c/5//4197/4197927_natalya_morskaya_pehota_skachat_video.pdf

Extracted artifacts 6

Files carved from inside the sample during analysis.

FilenameKindSourceSize
font_00_sfnt_off00024480.bin
880e53e6f12106514012eaabb19a261b9f8ae03d695445fc59a5b9b5a1293281		 pdf-font-stream PDF embedded font (sfnt) at offset 0x24480 3556 bytes
font_01_sfnt_off00025203.bin
77dca94c57995ed9831d0e219f019d1db9efd9d46131e3351b25d4bdc687bbc2		 pdf-font-stream PDF embedded font (sfnt) at offset 0x25203 14824 bytes
font_02_sfnt_off00028009.bin
67d53b5d93f9c1a2a208a20cc40158f0d1b9c29be983670d6b7c684d37a817b5		 pdf-font-stream PDF embedded font (sfnt) at offset 0x28009 14468 bytes
font_03_sfnt_off0002aab9.bin
bdd533196bcb1a1eb146359cd1e9d40c97ee0714a88452ac908382cb2e07f9ed		 pdf-font-stream PDF embedded font (sfnt) at offset 0x2AAB9 6464 bytes
font_04_sfnt_off0002bd35.bin
819f9cc5156bfe3dae03045446d677a19b5879270357875344f9514601da73e3		 pdf-font-stream PDF embedded font (sfnt) at offset 0x2BD35 6084 bytes
font_05_sfnt_off0002ccca.bin
9364d8c42993f0db1eb41a63b15a48dd56cef5056a611ab8e91dd81183a5a95e		 pdf-font-stream PDF embedded font (sfnt) at offset 0x2CCCA 3752 bytes

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