Malicious PDF — malware analysis report

Static analysis result for SHA-256 e5c91deb0af9e733…

MALICIOUS

PDF

186.2 KB Created: 2015-07-24 04:13:30 +03:00 Authoring application: wkhtmltopdf 0.12.2.1 (via Qt 4.8.6)
MD5: 4fce62325e4d0d4aca26d4b5fc2255df SHA-1: 84d6f6f9271920543b285f88ee2c256e50d3ab70 SHA-256: e5c91deb0af9e7334e7416eb760d7cde25f89fa5e1215ad85079aedb11d352cf
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 part of a phishing or malware distribution chain. No scripts were extracted, and the document body was not sufficiently readable to determine a specific 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+acronis+disk+director+11+home+rus+++%D0%BA%D0%BB%D1%8E%D1%87&charset=utf-8
    • http://fastpic.ru/
    • http://www.liveinternet.ru/click
    • http://img1.liveinternet.ru/images/attach/c/5//4185/4185336_rammstein_skachat_klip_ich_will.pdf
    • http://img1.liveinternet.ru/images/attach/c/5//4185/4185071_zakachat_maynkraft_151.pdf
    • http://img1.liveinternet.ru/images/attach/c/5//4185/4185367_dzhey_konrad_levinson_partizanskaya_kreativnost_skachat.pdf

Extracted artifacts 6

Files carved from inside the sample during analysis.

FilenameKindSourceSize
stream_048_off0002a99e.bin
e12f42a225c1e4783fd30b097b44c929339953e442c784d528d5261c08c37927		 decompressed-pdf-stream PDF FlateDecoded stream at offset 0x2A99E 7284 bytes
font_00_sfnt_off000241f7.bin
880e53e6f12106514012eaabb19a261b9f8ae03d695445fc59a5b9b5a1293281		 pdf-font-stream PDF embedded font (sfnt) at offset 0x241F7 3556 bytes
font_01_sfnt_off00024f7a.bin
0722f2f6dcc03b789bf0f0ad81d890d5fa95eb8ae2e7500eaa4a06de609f0685		 pdf-font-stream PDF embedded font (sfnt) at offset 0x24F7A 15104 bytes
font_02_sfnt_off00027dff.bin
8b5e379f53e523be45fd066dd3901515b2849b0313842e3c13c2f52c50234473		 pdf-font-stream PDF embedded font (sfnt) at offset 0x27DFF 14844 bytes
font_04_sfnt_off0002bee9.bin
819f9cc5156bfe3dae03045446d677a19b5879270357875344f9514601da73e3		 pdf-font-stream PDF embedded font (sfnt) at offset 0x2BEE9 6084 bytes
font_05_sfnt_off0002ce7e.bin
9364d8c42993f0db1eb41a63b15a48dd56cef5056a611ab8e91dd81183a5a95e		 pdf-font-stream PDF embedded font (sfnt) at offset 0x2CE7E 3752 bytes

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