Malicious PDF — malware analysis report

Static analysis result for SHA-256 9262161d2b43a7aa…

MALICIOUS

PDF

184.4 KB Created: 2015-07-28 13:15:59 +03:00 Authoring application: wkhtmltopdf 0.12.2.1 (via Qt 4.8.6)
MD5: 5bfbfa2bb88281d3ba0a8f8606e6dcb2 SHA-1: a4e654af1d6b122592437710d7b4394bffe80442 SHA-256: 9262161d2b43a7aa5329e823642a3ea5ea45eb732a4fe2be38f0ea77fade5fbf
60 Risk Score

Malware Insights

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

The PDF file was identified as malicious due to a critical heuristic firing for a link to a known malicious redirector. 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, 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+%D1%88%D1%80%D0%B8%D1%84%D1%82%D1%8B+%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//4204/4204732_skachat_asus_sonic_master.pdf
    • http://img1.liveinternet.ru/images/attach/c/5//4221/4221795_skachat_torrent_disciples_3_gornuye_klanuy.pdf
    • http://img0.liveinternet.ru/images/attach/c/5//4196/4196704_skachat_medal_za_otvagu_1_cherez_torrent.pdf

Extracted artifacts 6

Files carved from inside the sample during analysis.

FilenameKindSourceSize
stream_048_off0002a2ef.bin
f0ecc642281aae9c1f98e6a81b019fb04765f968002e6965b753fe54132c4885		 decompressed-pdf-stream PDF FlateDecoded stream at offset 0x2A2EF 7108 bytes
font_00_sfnt_off00023e60.bin
880e53e6f12106514012eaabb19a261b9f8ae03d695445fc59a5b9b5a1293281		 pdf-font-stream PDF embedded font (sfnt) at offset 0x23E60 3556 bytes
font_01_sfnt_off00024be3.bin
bba88a7cc1907278976779d7c3644f555c93f19b2e3c6647d3d0b0b22f9cbc86		 pdf-font-stream PDF embedded font (sfnt) at offset 0x24BE3 14020 bytes
font_02_sfnt_off000277ae.bin
3a5c92659285ad8780ebb9f5ec49ddf11b7eef789d451b9e055a94f52eb955c0		 pdf-font-stream PDF embedded font (sfnt) at offset 0x277AE 14640 bytes
font_04_sfnt_off0002b79a.bin
819f9cc5156bfe3dae03045446d677a19b5879270357875344f9514601da73e3		 pdf-font-stream PDF embedded font (sfnt) at offset 0x2B79A 6084 bytes
font_05_sfnt_off0002c72f.bin
9364d8c42993f0db1eb41a63b15a48dd56cef5056a611ab8e91dd81183a5a95e		 pdf-font-stream PDF embedded font (sfnt) at offset 0x2C72F 3752 bytes

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