Malicious PDF — malware analysis report

Static analysis result for SHA-256 cb58c3233d5d11b1…

MALICIOUS

PDF

186.7 KB Created: 2015-07-24 00:07:19 +03:00 Authoring application: wkhtmltopdf 0.12.2.1 (via Qt 4.8.6)
MD5: 484383702d32263e8f139512b29d38e9 SHA-1: 0c39cbc4d602dc0c3bd3ee329f4da13fd41cbd70 SHA-256: cb58c3233d5d11b17359ae11e4e4357d80e0bca6dd155f459f8325b48e6a565e
120 Risk Score

Malware Insights

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

The PDF file was flagged as malicious due to a critical heuristic indicating a link to known malicious redirector infrastructure. The embedded URL, http://botcraftman.ru/..., is the primary indicator of malicious intent. This suggests the document is a lure to download a second-stage payload.

Heuristics 3

  • 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.
  • ClamAV: Pdf.Dropper.Agent-8789500-0 critical CLAMAV_DETECTION
    ClamAV detected this file as malware: Pdf.Dropper.Agent-8789500-0
  • 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%81%D0%B8%D0%BC%D1%83%D0%BB%D1%8F%D1%82%D0%BE%D1%80+%D1%84%D0%B5%D1%80%D0%BC%D0%B5%D1%80%D0%B0+2011+%D1%87%D0%B5%D1%80%D0%B5%D0%B7+%D1%82%D0%BE%D1%80%D1%80%D0%B5%D0%BD%D1%82&charset=utf-8
    • http://fastpic.ru/
    • http://www.liveinternet.ru/click
    • http://img1.liveinternet.ru/images/attach/c/5//4185/4185574_skachat_muzuyku_na_ayfon_4_besplatno.pdf
    • http://img0.liveinternet.ru/images/attach/c/5//4184/4184495_uroki_po_russkomu_yazuyku_5_klass_laduyzhenskaya_fgos.pdf
    • http://img0.liveinternet.ru/images/attach/c/5//4184/4184798_skachat_windows_7_starter_32_bit_cherez_torrent.pdf

Extracted artifacts 6

Files carved from inside the sample during analysis.

FilenameKindSourceSize
font_00_sfnt_off00024696.bin
880e53e6f12106514012eaabb19a261b9f8ae03d695445fc59a5b9b5a1293281		 pdf-font-stream PDF embedded font (sfnt) at offset 0x24696 3556 bytes
font_01_sfnt_off00025419.bin
554a72cbfa850784a9603b9125146b8cdf887f32dd58a40996c3b0365076e610		 pdf-font-stream PDF embedded font (sfnt) at offset 0x25419 14608 bytes
font_02_sfnt_off0002816f.bin
f332f630edb11f2652521b1ca682850710077f109e9c98e99461c31fd4619328		 pdf-font-stream PDF embedded font (sfnt) at offset 0x2816F 14468 bytes
font_03_sfnt_off0002ac25.bin
02c4cef73d42b6b0092997afa9f744de179ff37d565db787642de56e2a665d78		 pdf-font-stream PDF embedded font (sfnt) at offset 0x2AC25 7104 bytes
font_04_sfnt_off0002c0fe.bin
819f9cc5156bfe3dae03045446d677a19b5879270357875344f9514601da73e3		 pdf-font-stream PDF embedded font (sfnt) at offset 0x2C0FE 6084 bytes
font_05_sfnt_off0002d093.bin
9364d8c42993f0db1eb41a63b15a48dd56cef5056a611ab8e91dd81183a5a95e		 pdf-font-stream PDF embedded font (sfnt) at offset 0x2D093 3752 bytes

Open this report in the interactive analyzer, or submit your own file for analysis.