Malicious PDF — malware analysis report

Static analysis result for SHA-256 57e1830493f77c66…

MALICIOUS

PDF

186.5 KB Created: 2015-07-23 21:23:04 +03:00 Authoring application: wkhtmltopdf 0.12.2.1 (via Qt 4.8.6)
MD5: 92e2870fc74b2c3cf7fa901738940dec SHA-1: 77ac333497fed49e75a9e951249050bce1fe1332 SHA-256: 57e1830493f77c661cbf05d05aa404fd0004d398afce7c8b7fdce2a5896b0ee4
60 Risk Score

Malware Insights

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

The PDF file contains a link to a known malicious redirector, http://botcraftman.ru/. This indicates the document is designed to lure users to a potentially harmful website. The embedded URL is the primary indicator of malicious intent, suggesting a phishing or malware distribution scheme. No scripts were extracted, limiting further analysis of the payload.

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%A1%D0%BA%D0%B0%D1%87%D0%B0%D1%82%D1%8C+%D0%B4%D1%80%D0%B0%D0%B9%D0%B2%D0%B5%D1%80+crystal+soundfusion+tm+cs4281+wdm+audio&charset=utf-8
    • http://fastpic.ru/
    • http://www.liveinternet.ru/click
    • http://img0.liveinternet.ru/images/attach/c/5//4184/4184908_upstream_intermediate_b2_students_book_skachat_besplatno.pdf
    • http://img1.liveinternet.ru/images/attach/c/5//4183/4183254_kto_nas_zaschischaet_proekt_3_klass.pdf
    • http://img0.liveinternet.ru/images/attach/c/5//4184/4184352_skachat_spidhak_dlya_kss_v34.pdf

Extracted artifacts 6

Files carved from inside the sample during analysis.

FilenameKindSourceSize
stream_048_off0002a858.bin
bcbab94c55c99356388142769193888f2b0785ebf56a4103cc30746113bd26a2		 decompressed-pdf-stream PDF FlateDecoded stream at offset 0x2A858 7948 bytes
font_00_sfnt_off00023faa.bin
880e53e6f12106514012eaabb19a261b9f8ae03d695445fc59a5b9b5a1293281		 pdf-font-stream PDF embedded font (sfnt) at offset 0x23FAA 3556 bytes
font_01_sfnt_off00024d2d.bin
97c439e5dcfdb3699cc0045d3ac3103942834fe25817e0ec7c6404c19d1424d9		 pdf-font-stream PDF embedded font (sfnt) at offset 0x24D2D 15196 bytes
font_02_sfnt_off00027c40.bin
b9e1f7e8ebaec0474178a60c1da8a675b20bb69cf099978bb0d68c8b5f3a6df2		 pdf-font-stream PDF embedded font (sfnt) at offset 0x27C40 14916 bytes
font_04_sfnt_off0002c018.bin
819f9cc5156bfe3dae03045446d677a19b5879270357875344f9514601da73e3		 pdf-font-stream PDF embedded font (sfnt) at offset 0x2C018 6084 bytes
font_05_sfnt_off0002cfad.bin
9364d8c42993f0db1eb41a63b15a48dd56cef5056a611ab8e91dd81183a5a95e		 pdf-font-stream PDF embedded font (sfnt) at offset 0x2CFAD 3752 bytes

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