Malicious PDF — malware analysis report

Static analysis result for SHA-256 4cbee79f03cb01ec…

MALICIOUS

PDF

187.5 KB Created: 2015-07-25 03:13:15 +03:00 Authoring application: wkhtmltopdf 0.12.2.1 (via Qt 4.8.6)
MD5: 67e61f92400247c9a50ae858438fb7ac SHA-1: f03152e997fe1f96260fb61c27079a9ac336aae5 SHA-256: 4cbee79f03cb01ec5167ddb7f56ee45fb93292e4cee53992d7a4a71180745e05
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 the primary indicator of malicious intent. No scripts were extracted, and the document body was not parsable, but the presence of the malicious URL strongly suggests a phishing or malware distribution attempt.

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%BC%D0%BE%D0%B4%D1%8B+%D0%BD%D0%B0+%D1%84%D0%B5%D1%80%D0%BC%D0%B5%D1%80+%D1%81%D0%B8%D0%BC%D1%83%D0%BB%D1%8F%D1%82%D0%BE%D1%80+2013+%D0%BD%D0%B0+%D1%80%D1%83%D1%81%D1%81%D0%BA%D1%83%D1%8E+%D1%82%D0%B5%D1%85%D0%BD%D0%B8%D0%BA%D1%83+fs&charset=utf-8
    • http://fastpic.ru/
    • http://www.liveinternet.ru/click
    • http://img0.liveinternet.ru/images/attach/c/5//4196/4196107_viktor_frankl_iskusstvo_zhizni_ili_upryamstvo_voli.pdf
    • http://img1.liveinternet.ru/images/attach/c/5//4197/4197793_spravka_po_forme_banka_ak_bars_bank_skachat.pdf
    • http://img0.liveinternet.ru/images/attach/c/5//4184/4184495_uroki_po_russkomu_yazuyku_5_klass_laduyzhenskaya_fgos.pdf

Extracted artifacts 6

Files carved from inside the sample during analysis.

FilenameKindSourceSize
stream_048_off0002ad48.bin
2d16873e4cc3c0e4c6817e8f4ddb5f8a08e8a0b28297cbef44b44ed6d8345fcf		 decompressed-pdf-stream PDF FlateDecoded stream at offset 0x2AD48 7684 bytes
font_00_sfnt_off00024832.bin
880e53e6f12106514012eaabb19a261b9f8ae03d695445fc59a5b9b5a1293281		 pdf-font-stream PDF embedded font (sfnt) at offset 0x24832 3556 bytes
font_01_sfnt_off000255b5.bin
09c300d905c87dcf7ced0c5d584d7a3d6dcb35fc8734e2975f97b178730b9a79		 pdf-font-stream PDF embedded font (sfnt) at offset 0x255B5 14072 bytes
font_02_sfnt_off00028207.bin
86ab9809285a511e2a236a80ed6802ed4cd1d1b828e44960f349ec6f87e14141		 pdf-font-stream PDF embedded font (sfnt) at offset 0x28207 14632 bytes
font_04_sfnt_off0002c426.bin
819f9cc5156bfe3dae03045446d677a19b5879270357875344f9514601da73e3		 pdf-font-stream PDF embedded font (sfnt) at offset 0x2C426 6084 bytes
font_05_sfnt_off0002d3bb.bin
9364d8c42993f0db1eb41a63b15a48dd56cef5056a611ab8e91dd81183a5a95e		 pdf-font-stream PDF embedded font (sfnt) at offset 0x2D3BB 3752 bytes

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