Malicious PDF — malware analysis report

Static analysis result for SHA-256 7899bacc5fd56c83…

MALICIOUS

PDF

186.8 KB Created: 2015-07-25 02:30:56 +03:00 Authoring application: wkhtmltopdf 0.12.2.1 (via Qt 4.8.6)
MD5: 3c64ccacc4afab9ed2465678dd2db0dc SHA-1: 6098d2bc9a71746d54461cca76fd8486713b0b97 SHA-256: 7899bacc5fd56c83783b43cc25bf231a7bed622ccdbb545af24669443a094012
60 Risk Score

Malware Insights

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

The PDF file contains a critical heuristic firing indicating a link to a known malicious redirector. The embedded URL, http://botcraftman.ru/, is likely part of a phishing or malware distribution scheme. No scripts were extracted, and the document body was truncated, limiting further analysis of the exact lure.

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=%D1%81%D0%BA%D0%B0%D1%87%D0%B0%D1%82%D1%8C+%D0%B4%D1%80%D0%B0%D0%B9%D0%B2%D0%B5%D1%80+%D0%BD%D0%B0+%D0%BF%D1%80%D0%B8%D0%BD%D1%82%D0%B5%D1%80+hp+laserjet+1102+%D0%B4%D0%BB%D1%8F+windows+7&charset=utf-8
    • http://fastpic.ru/
    • http://www.liveinternet.ru/click
    • http://img0.liveinternet.ru/images/attach/c/5//4192/4192790_gta_4_skachat_torrent_russkaya_ozvuchka.pdf
    • http://img1.liveinternet.ru/images/attach/c/5//4187/4187804_ramki_dlya_teksta_skachat_besplatno.pdf
    • http://img0.liveinternet.ru/images/attach/c/5//4184/4184471_dnevnik_po_praktike_v_prokurature_2015.pdf

Extracted artifacts 6

Files carved from inside the sample during analysis.

FilenameKindSourceSize
stream_048_off0002a947.bin
b4e835b96379c3344f12a845e27e1df8c1bc2930a4245aa9816b9ff7891e0b69		 decompressed-pdf-stream PDF FlateDecoded stream at offset 0x2A947 8164 bytes
font_00_sfnt_off00024280.bin
880e53e6f12106514012eaabb19a261b9f8ae03d695445fc59a5b9b5a1293281		 pdf-font-stream PDF embedded font (sfnt) at offset 0x24280 3556 bytes
font_01_sfnt_off00025003.bin
83aab44c037cc0b140fa7d8895319f04d4e017cb63ed8020b0ff903ab2bcf124		 pdf-font-stream PDF embedded font (sfnt) at offset 0x25003 14548 bytes
font_02_sfnt_off00027d50.bin
da9ba878a3eda63a24db731faf92fd29ac729423388da8369915daae4706f9f3		 pdf-font-stream PDF embedded font (sfnt) at offset 0x27D50 14888 bytes
font_04_sfnt_off0002c18b.bin
819f9cc5156bfe3dae03045446d677a19b5879270357875344f9514601da73e3		 pdf-font-stream PDF embedded font (sfnt) at offset 0x2C18B 6084 bytes
font_05_sfnt_off0002d120.bin
9364d8c42993f0db1eb41a63b15a48dd56cef5056a611ab8e91dd81183a5a95e		 pdf-font-stream PDF embedded font (sfnt) at offset 0x2D120 3752 bytes

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