Malicious PDF — malware analysis report

Static analysis result for SHA-256 9fa032d23cb62fbe…

MALICIOUS

PDF

187.1 KB Created: 2015-07-24 08:52:16 +03:00 Authoring application: wkhtmltopdf 0.12.2.1 (via Qt 4.8.6)
MD5: 918209ff2188687aa2b1fc07445609d2 SHA-1: 88766a87532face8793754627f0a5dd3fddc3779 SHA-256: 9fa032d23cb62fbe7794dc904ac3e98c67bef71dde263cc674f465b8100e24af
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 a known malicious redirector at http://botcraftman.ru/. This suggests the document is designed to lure users to a malicious website. No scripts were extracted from this sample, and the document body was not sufficiently readable to provide further context. The file was authored using wkhtmltopdf, which is sometimes used to generate malicious PDFs.

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%82%D0%B5%D0%BA%D1%81%D1%82%D1%8B+%D0%B4%D0%BB%D1%8F+%D1%87%D1%82%D0%B5%D0%BD%D0%B8%D1%8F+%D0%BF%D0%BE+%D1%81%D0%BB%D0%BE%D0%B3%D0%B0%D0%BC+%D0%B4%D0%BB%D1%8F+%D0%B4%D0%BE%D1%88%D0%BA%D0%BE%D0%BB%D1%8C%D0%BD%D0%B8%D0%BA%D0%BE%D0%B2+%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/5//4185/4185260_skachat_tatarskuyu_muzuyku_besplatno_cherez_torrent.pdf
    • http://img0.liveinternet.ru/images/attach/c/5//4184/4184841_shema_priemnika_pryamogo_usileniya.pdf
    • http://img0.liveinternet.ru/images/attach/c/5//4184/4184371_skachat_blok_launcher_pro_dlya_maynkraft_095.pdf

Extracted artifacts 6

Files carved from inside the sample during analysis.

FilenameKindSourceSize
font_00_sfnt_off000248a5.bin
880e53e6f12106514012eaabb19a261b9f8ae03d695445fc59a5b9b5a1293281		 pdf-font-stream PDF embedded font (sfnt) at offset 0x248A5 3556 bytes
font_01_sfnt_off00025628.bin
6752a55392cd25a21b26e37bfe7325ac19cdd99f755b1564e2c37affe7c395c5		 pdf-font-stream PDF embedded font (sfnt) at offset 0x25628 14704 bytes
font_02_sfnt_off00028416.bin
8c5e5bc4674cee60ec6c1619e60533ff44be00efca6b5f228c587d2f19a61a12		 pdf-font-stream PDF embedded font (sfnt) at offset 0x28416 14520 bytes
font_03_sfnt_off0002aee5.bin
8f8558eb0d06ddfe9153e499717a90015a493940752cc4fe6e15067591348e36		 pdf-font-stream PDF embedded font (sfnt) at offset 0x2AEE5 6824 bytes
font_04_sfnt_off0002c272.bin
819f9cc5156bfe3dae03045446d677a19b5879270357875344f9514601da73e3		 pdf-font-stream PDF embedded font (sfnt) at offset 0x2C272 6084 bytes
font_05_sfnt_off0002d207.bin
9364d8c42993f0db1eb41a63b15a48dd56cef5056a611ab8e91dd81183a5a95e		 pdf-font-stream PDF embedded font (sfnt) at offset 0x2D207 3752 bytes

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