Malicious PDF — malware analysis report

Static analysis result for SHA-256 de3dca81e5ec8741…

MALICIOUS

PDF

186.5 KB Created: 2015-07-24 00:13:07 +03:00 Authoring application: wkhtmltopdf 0.12.2.1 (via Qt 4.8.6)
MD5: 52d497f568ae3621237ca6c3063c1e3e SHA-1: 5fc6d16d487a711a1939f241e4983a9e9163c22e SHA-256: de3dca81e5ec874123675614c3ce322984dc63ba74e33072f3ece91bbc02054d
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, botcraftman.ru, which is likely used to deliver malware. The link is presented in a way that suggests a software download, aiming to trick the user into clicking it. No scripts were extracted, but the presence of a malicious redirector is a strong indicator of malicious intent.

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=adobe+premiere+pro+cs5+rus+%D1%81%D0%BA%D0%B0%D1%87%D0%B0%D1%82%D1%8C+%D0%B1%D0%B5%D1%81%D0%BF%D0%BB%D0%B0%D1%82%D0%BD%D0%BE&charset=utf-8
    • http://fastpic.ru/
    • http://www.liveinternet.ru/click
    • http://img1.liveinternet.ru/images/attach/c/5//4185/4185335_skachat_besplatno_drayver_dlya_rv620_le_agp_ati_radeon_hd_3450.pdf
    • http://img0.liveinternet.ru/images/attach/c/5//4184/4184692_skachat_igru_vokrug_sveta_za_80_dney_torrent.pdf
    • http://img0.liveinternet.ru/images/attach/c/5//4184/4184520_velikolepnuyy_vek_5_sezon_skachat_cherez_torrent.pdf

Extracted artifacts 6

Files carved from inside the sample during analysis.

FilenameKindSourceSize
stream_048_off0002aa1d.bin
aee57dbeb0967ca9e04f537becc62a89e81627fecee4ded134651332817a899d		 decompressed-pdf-stream PDF FlateDecoded stream at offset 0x2AA1D 7488 bytes
font_00_sfnt_off0002430c.bin
880e53e6f12106514012eaabb19a261b9f8ae03d695445fc59a5b9b5a1293281		 pdf-font-stream PDF embedded font (sfnt) at offset 0x2430C 3556 bytes
font_01_sfnt_off0002508f.bin
7027573d71ee3d7de5f758c6b2a77026868c1ff07936469d512ea861b99784cb		 pdf-font-stream PDF embedded font (sfnt) at offset 0x2508F 14656 bytes
font_02_sfnt_off00027e12.bin
abe980330e17b464fe7d17a06bc1f6b85e8e872247d6081f250a7e9a5979ee2c		 pdf-font-stream PDF embedded font (sfnt) at offset 0x27E12 14940 bytes
font_04_sfnt_off0002c013.bin
819f9cc5156bfe3dae03045446d677a19b5879270357875344f9514601da73e3		 pdf-font-stream PDF embedded font (sfnt) at offset 0x2C013 6084 bytes
font_05_sfnt_off0002cfa8.bin
9364d8c42993f0db1eb41a63b15a48dd56cef5056a611ab8e91dd81183a5a95e		 pdf-font-stream PDF embedded font (sfnt) at offset 0x2CFA8 3752 bytes

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