Malicious PDF — malware analysis report

Static analysis result for SHA-256 75e952d0a02a0d66…

MALICIOUS

PDF

184.5 KB Created: 2015-07-24 09:18:38 +03:00 Authoring application: wkhtmltopdf 0.12.2.1 (via Qt 4.8.6)
MD5: 04462141777d2bceeb52b4eae86e7686 SHA-1: edfc6c93a036434bb64578f48cbddd295575fee0 SHA-256: 75e952d0a02a0d6601708a99fe0f927619e46d01625a04c0190e553130cc0ce0
152 Risk Score

Malware Insights

MITRE ATT&CK
T1566.001 Spearphishing Attachment

The PDF file was flagged by multiple heuristics as malicious, including a critical alert for a redirector link to botcraftman.ru. This indicates the document is likely a lure to direct users to malicious infrastructure. No scripts were extracted, but the presence of a malicious URL is a strong indicator of a phishing or malware distribution attempt.

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-8787763-0 critical CLAMAV_DETECTION
    ClamAV detected this file as malware: Pdf.Dropper.Agent-8787763-0
  • 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+bike+baron+%D0%BD%D0%B0+%D0%B0%D0%BD%D0%B4%D1%80%D0%BE%D0%B8%D0%B4&charset=utf-8
    • http://fastpic.ru/
    • http://www.liveinternet.ru/click
    • http://img1.liveinternet.ru/images/attach/c/5//4189/4189401_talon_na_moped_skachat.pdf
    • http://img1.liveinternet.ru/images/attach/c/5//4185/4185180_rington_shilova_v_horoshem_kachestve_skachat.pdf
    • http://img0.liveinternet.ru/images/attach/c/5//4184/4184977_koduy_probnikov_orifleym_2015.pdf
    • http://www.microsoft.com/typography/fonts/
    • http://www.microsoft.com/typography/fonts/You

Extracted artifacts 6

Files carved from inside the sample during analysis.

FilenameKindSourceSize
font_00_sfnt_off00023dcc.bin
880e53e6f12106514012eaabb19a261b9f8ae03d695445fc59a5b9b5a1293281		 pdf-font-stream PDF embedded font (sfnt) at offset 0x23DCC 3556 bytes
font_01_sfnt_off00024b4f.bin
2435c27bacc7f7805599ecefc57dd4bd6b2c60d43f2599e397dbddcf86b48a70		 pdf-font-stream PDF embedded font (sfnt) at offset 0x24B4F 14740 bytes
font_02_sfnt_off000278f1.bin
59a7351e456ccdc6d72f46a6e2c340940e6735af9a2bd165e051dc5ed55eb6bc		 pdf-font-stream PDF embedded font (sfnt) at offset 0x278F1 14596 bytes
font_03_sfnt_off0002a404.bin
6b38c32af3f6211b22d511f89251d5cc2745b0ec97fa1dccfda09d62646e7007		 pdf-font-stream PDF embedded font (sfnt) at offset 0x2A404 6940 bytes
font_04_sfnt_off0002b820.bin
819f9cc5156bfe3dae03045446d677a19b5879270357875344f9514601da73e3		 pdf-font-stream PDF embedded font (sfnt) at offset 0x2B820 6084 bytes
font_05_sfnt_off0002c7b5.bin
9364d8c42993f0db1eb41a63b15a48dd56cef5056a611ab8e91dd81183a5a95e		 pdf-font-stream PDF embedded font (sfnt) at offset 0x2C7B5 3752 bytes

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