Malicious PDF — malware analysis report

Static analysis result for SHA-256 abb8a247d848173f…

MALICIOUS

PDF

187.4 KB Created: 2015-07-28 14:47:36 +03:00 Authoring application: wkhtmltopdf 0.12.2.1 (via Qt 4.8.6)
MD5: 07f18022704c7ddf8d215140e90e2f08 SHA-1: 72944a8f9931f7e37d422d21b060f284a0b2d803 SHA-256: abb8a247d848173f84fc3c8bf13354655d091e5004e6dd973c67c51b98b40fbd
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 high-confidence ML classification. The embedded URL 'http://botcraftman.ru/...' is identified as malicious. This suggests the document's primary purpose is to lure the user to a malicious site, likely for phishing or to download further malware. No scripts were extracted from this sample.

Machine Learning

  • Nyx PDF Classifier malicious score 0.9980

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-7494621-0 critical CLAMAV_DETECTION
    ClamAV detected this file as malware: Pdf.Dropper.Agent-7494621-0
  • 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%B2%D1%8B%D0%BA%D1%80%D0%BE%D0%B9%D0%BA%D0%B8+%D0%B4%D0%BB%D1%8F+%D0%B1%D0%B0%D1%80%D0%B1%D0%B8+%D0%B2+%D0%BD%D0%B0%D1%82%D1%83%D1%80%D0%B0%D0%BB%D1%8C%D0%BD%D1%83%D1%8E+%D0%B2%D0%B5%D0%BB%D0%B8%D1%87%D0%B8%D0%BD%D1%83+%D1%81%D0%BA%D0%B0%D1%87%D0%B0%D1%82%D1%8C+%D0%B1%D0%B5%D1%81%D0%BF%D0%BB%D0%B0%D1%82%D0%BD%D0%BE&charset=utf-8
    • http://fastpic.ru/
    • http://www.liveinternet.ru/click
    • http://img0.liveinternet.ru/images/attach/c/5//4214/4214921_otchet_po_proizvodstvennoy_praktike_na_predpriyatii_yenergetiki.pdf
    • http://img0.liveinternet.ru/images/attach/c/5//4206/4206831_skachat_shablon_rezyume.pdf
    • http://img1.liveinternet.ru/images/attach/c/5//4203/4203330_katalog_detaley_i_sborochnuyh_edinic_t40am_pdf_skachat.pdf

Extracted artifacts 6

Files carved from inside the sample during analysis.

FilenameKindSourceSize
font_00_sfnt_off00024a46.bin
880e53e6f12106514012eaabb19a261b9f8ae03d695445fc59a5b9b5a1293281		 pdf-font-stream PDF embedded font (sfnt) at offset 0x24A46 3556 bytes
font_01_sfnt_off000257c9.bin
0cc440c8ace496878bdf8c0155222c0a6ee4a0a88c0850e4a830b62009cc67ca		 pdf-font-stream PDF embedded font (sfnt) at offset 0x257C9 14008 bytes
font_02_sfnt_off0002841d.bin
46ec519e62be714e7407e78cf89b1e7f242633b555de9106c954d1163c4578ca		 pdf-font-stream PDF embedded font (sfnt) at offset 0x2841D 14680 bytes
font_03_sfnt_off0002aee6.bin
5b56db79c62c37c3920dcee9a20f023ccb91a7573272b06b809d6db33ec4729c		 pdf-font-stream PDF embedded font (sfnt) at offset 0x2AEE6 7260 bytes
font_04_sfnt_off0002c3f9.bin
819f9cc5156bfe3dae03045446d677a19b5879270357875344f9514601da73e3		 pdf-font-stream PDF embedded font (sfnt) at offset 0x2C3F9 6084 bytes
font_05_sfnt_off0002d38e.bin
9364d8c42993f0db1eb41a63b15a48dd56cef5056a611ab8e91dd81183a5a95e		 pdf-font-stream PDF embedded font (sfnt) at offset 0x2D38E 3752 bytes

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