Malicious PDF — malware analysis report

Static analysis result for SHA-256 e55db316bee4d672…

MALICIOUS

PDF

186.2 KB Created: 2015-07-24 04:20:25 +03:00 Authoring application: wkhtmltopdf 0.12.2.1 (via Qt 4.8.6)
MD5: 70c69c05eeaec0f59cf8978675812753 SHA-1: e10535202b8229831e994100410e4dd2183b0338 SHA-256: e55db316bee4d672f4c05948338647ef99f1dd25b58c15a536a59dc7fe4f4cd1
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 known malicious redirector infrastructure. The embedded URL, http://botcraftman.ru/..., is likely used to direct users to a malicious website for phishing or malware delivery. No scripts were extracted from this sample, limiting further analysis of its behavior.

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%9A%D0%B0%D1%80%D1%82%D0%B0+%D0%B0%D0%B2%D1%82%D0%BE%D0%BC%D0%BE%D0%B1%D0%B8%D0%BB%D1%8C%D0%BD%D1%8B%D1%85+%D0%B4%D0%BE%D1%80%D0%BE%D0%B3+%D0%B4%D0%B0%D0%BB%D1%8C%D0%BD%D0%B5%D0%B3%D0%BE+%D0%B2%D0%BE%D1%81%D1%82%D0%BE%D0%BA%D0%B0&charset=utf-8
    • http://fastpic.ru/
    • http://www.liveinternet.ru/click
    • http://img0.liveinternet.ru/images/attach/c/5//4186/4186536_fizika_8_klass_peruyshkin_uchebnik_chitat.pdf
    • http://img0.liveinternet.ru/images/attach/c/5//4184/4184845_pozdravleniya_s_dnem_rozhdeniya_na_mariyskom_yazuyke.pdf
    • http://img0.liveinternet.ru/images/attach/c/5//4184/4184511_skachat_klyuchi_dlya_kasperskogo_2015_na_god.pdf

Extracted artifacts 6

Files carved from inside the sample during analysis.

FilenameKindSourceSize
font_00_sfnt_off00024550.bin
880e53e6f12106514012eaabb19a261b9f8ae03d695445fc59a5b9b5a1293281		 pdf-font-stream PDF embedded font (sfnt) at offset 0x24550 3556 bytes
font_01_sfnt_off000252d3.bin
65e1d1974c28281dbb8463430390cd80304b379093ad9938a2e79ed0b3839789		 pdf-font-stream PDF embedded font (sfnt) at offset 0x252D3 14420 bytes
font_02_sfnt_off00027ff0.bin
0627de34e839737c03af0d9f30945bab194dadec018a1d0b90d3566f99dbb150		 pdf-font-stream PDF embedded font (sfnt) at offset 0x27FF0 14532 bytes
font_03_sfnt_off0002aadf.bin
b02f718c34cd0855b5b9ffbcd2bc4913e62a9a9b100e6c17c18eb6b46195fd50		 pdf-font-stream PDF embedded font (sfnt) at offset 0x2AADF 6972 bytes
font_04_sfnt_off0002bf01.bin
819f9cc5156bfe3dae03045446d677a19b5879270357875344f9514601da73e3		 pdf-font-stream PDF embedded font (sfnt) at offset 0x2BF01 6084 bytes
font_05_sfnt_off0002ce96.bin
9364d8c42993f0db1eb41a63b15a48dd56cef5056a611ab8e91dd81183a5a95e		 pdf-font-stream PDF embedded font (sfnt) at offset 0x2CE96 3752 bytes

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