Malicious PDF — malware analysis report

Static analysis result for SHA-256 fa5c8d727c556993…

MALICIOUS

PDF

185.3 KB Created: 2015-08-05 12:56:01 +03:00 Authoring application: wkhtmltopdf 0.12.2.1 (via Qt 4.8.6)
MD5: 6ef8afc3142fdb0b82bf2e5aadf591ca SHA-1: 4535f529f856a0ac3c3a98255c17abfa371cebb8 SHA-256: fa5c8d727c556993851c17cefbe980f27c1d90cf35c6281c5023f8be495dc31d
60 Risk Score

Malware Insights

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

The PDF file contains an embedded link to a known malicious redirector. This indicates an attempt to lure the user to a harmful website, likely for phishing or malware distribution. The URL 'http://botcraftman.ru/?lip&keyword=hp+deskjet+3050+%D0%B4%D1%80%D0%B0%D0%B9%D0%B2%D0%B5%D1%80+%D1%81%D0%BA%D0%B0%D1%87%D0%B0%D1%82%D1%8C&charset=utf-8' is the primary indicator of this malicious activity. No scripts were extracted, limiting further analysis of the execution chain.

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=hp+deskjet+3050+%D0%B4%D1%80%D0%B0%D0%B9%D0%B2%D0%B5%D1%80+%D1%81%D0%BA%D0%B0%D1%87%D0%B0%D1%82%D1%8C&charset=utf-8
    • http://fastpic.ru/
    • http://www.liveinternet.ru/click
    • http://img1.liveinternet.ru/images/attach/c/6//4285/4285939_the_movies_stunts.pdf
    • http://img0.liveinternet.ru/images/attach/c/5//4262/4262456_muzuyka_dlya_tanca_zhivota_skachat_besplatno_mp3.pdf
    • http://img1.liveinternet.ru/images/attach/c/5//4211/4211138_yelektronnuyy_biznes_testuy_s_otvetami.pdf

Extracted artifacts 6

Files carved from inside the sample during analysis.

FilenameKindSourceSize
stream_048_off0002a624.bin
b880746c68dca9683a33192fba7256fe8c8252a0f301f7727fa8bc39b0af9e21		 decompressed-pdf-stream PDF FlateDecoded stream at offset 0x2A624 7276 bytes
font_00_sfnt_off00023fcb.bin
880e53e6f12106514012eaabb19a261b9f8ae03d695445fc59a5b9b5a1293281		 pdf-font-stream PDF embedded font (sfnt) at offset 0x23FCB 3556 bytes
font_01_sfnt_off00024d4e.bin
dcceb90902149c76388f97c107711a01811ec344f0e4c078a545f4399222f891		 pdf-font-stream PDF embedded font (sfnt) at offset 0x24D4E 14280 bytes
font_02_sfnt_off00027a2a.bin
a1f6b9b614522f48d7c516f84e0ddaa201bc3ca9cb6350f44bd42b3453115793		 pdf-font-stream PDF embedded font (sfnt) at offset 0x27A2A 14904 bytes
font_04_sfnt_off0002bb61.bin
819f9cc5156bfe3dae03045446d677a19b5879270357875344f9514601da73e3		 pdf-font-stream PDF embedded font (sfnt) at offset 0x2BB61 6084 bytes
font_05_sfnt_off0002caf6.bin
9364d8c42993f0db1eb41a63b15a48dd56cef5056a611ab8e91dd81183a5a95e		 pdf-font-stream PDF embedded font (sfnt) at offset 0x2CAF6 3752 bytes

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