Malicious PDF — malware analysis report

Static analysis result for SHA-256 1da4123f8eb0ec74…

MALICIOUS

PDF

188.1 KB Created: 2015-07-24 23:52:27 +03:00 Authoring application: wkhtmltopdf 0.12.2.1 (via Qt 4.8.6)
MD5: a75228aceba8bd393ef9a9850ce36754 SHA-1: 6d96cd4d5562577cd56afd4c331c0842c5009fab SHA-256: 1da4123f8eb0ec745a9709f8f7e4d5c831be9d67d21b2fde96810d8393f3860f
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 link to a known malicious redirector. This indicates the document is likely a lure to direct users to a malicious website for phishing or malware distribution. 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%90%D0%BD%D0%BA%D0%B5%D1%82%D0%B0+%D0%B4%D0%BB%D1%8F+%D0%BF%D0%BE%D0%BA%D1%83%D0%BF%D0%B0%D1%82%D0%B5%D0%BB%D0%B5%D0%B9+%D0%BF%D1%80%D0%BE%D0%B4%D1%83%D0%BA%D1%82%D0%BE%D0%B2%D0%BE%D0%B3%D0%BE+%D0%BC%D0%B0%D0%B3%D0%B0%D0%B7%D0%B8%D0%BD%D0%B0&charset=utf-8
    • http://fastpic.ru/
    • http://www.liveinternet.ru/click
    • http://img1.liveinternet.ru/images/attach/c/5//4193/4193289_vacab_skachat_besplatno_dlya_kompyutera.pdf
    • http://img1.liveinternet.ru/images/attach/c/5//4195/4195196_skachat_operu_mini_na_nokia_2700.pdf
    • http://img1.liveinternet.ru/images/attach/c/5//4191/4191417_chituy_na_onlayn_igru_bitva_titanov_dlya_mobilnuyh_telefonov.pdf

Extracted artifacts 6

Files carved from inside the sample during analysis.

FilenameKindSourceSize
font_00_sfnt_off00024b48.bin
880e53e6f12106514012eaabb19a261b9f8ae03d695445fc59a5b9b5a1293281		 pdf-font-stream PDF embedded font (sfnt) at offset 0x24B48 3556 bytes
font_01_sfnt_off000258cb.bin
ea79665d01fa9d934a1ca55ad536fb84412546f1cd05389767ee129228aa77b4		 pdf-font-stream PDF embedded font (sfnt) at offset 0x258CB 15224 bytes
font_02_sfnt_off0002885d.bin
dde8cb3db78f49492d397de1013a074ab9c596bc0508faa33f94bd64189db0ac		 pdf-font-stream PDF embedded font (sfnt) at offset 0x2885D 14468 bytes
font_03_sfnt_off0002b310.bin
ac2665f4eb60db39e2ac09778871baf2d2ac487014a0ac1187a5c747dd97fee0		 pdf-font-stream PDF embedded font (sfnt) at offset 0x2B310 6800 bytes
font_04_sfnt_off0002c6a6.bin
819f9cc5156bfe3dae03045446d677a19b5879270357875344f9514601da73e3		 pdf-font-stream PDF embedded font (sfnt) at offset 0x2C6A6 6084 bytes
font_05_sfnt_off0002d63b.bin
9364d8c42993f0db1eb41a63b15a48dd56cef5056a611ab8e91dd81183a5a95e		 pdf-font-stream PDF embedded font (sfnt) at offset 0x2D63B 3752 bytes

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