Malicious PDF — malware analysis report

Static analysis result for SHA-256 f0f96b5fff3dbb6c…

MALICIOUS

PDF

186.2 KB Created: 2015-08-08 10:55:30 +03:00 Authoring application: wkhtmltopdf 0.12.2.1 (via Qt 4.8.6)
MD5: 5a67751ea2136d7dcd4e0e70e8a42a82 SHA-1: 777c6ed82af7dd51a33022193d6084d82bb6f8e2 SHA-256: f0f96b5fff3dbb6c944aec74ddcc5e09ce58bb9eaa8dd1ef47e2172018caed40
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/?lip&keyword=%D1%81%D0%BA%D0%B0%D1%87%D0%B0%D1%82%D1%8C+%D1%87%D0%B5%D1%80%D0%B5%D0%B7+%D1%82%D0%BE%D1%80%D1%80%D0%B5%D0%BD%D1%82+%D0%BC%D1%83%D0%BB%D1%8C%D1%82%D0%B8%D0%BA+%D0%BC%D0%B0%D1%88%D0%B0+%D0%B8+%D0%BC%D0%B5%D0%B4%D0%B2%D0%B5%D0%B4%D1%8C&charset=utf-8' is the primary indicator of malicious intent. 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=%D1%81%D0%BA%D0%B0%D1%87%D0%B0%D1%82%D1%8C+%D1%87%D0%B5%D1%80%D0%B5%D0%B7+%D1%82%D0%BE%D1%80%D1%80%D0%B5%D0%BD%D1%82+%D0%BC%D1%83%D0%BB%D1%8C%D1%82%D0%B8%D0%BA+%D0%BC%D0%B0%D1%88%D0%B0+%D0%B8+%D0%BC%D0%B5%D0%B4%D0%B2%D0%B5%D0%B4%D1%8C&charset=utf-8
    • http://fastpic.ru/
    • http://www.liveinternet.ru/click
    • http://img1.liveinternet.ru/images/attach/c/6//4385/4385457_skachat_css_v_34_torrent.pdf
    • http://img0.liveinternet.ru/images/attach/c/6//4386/4386278_raspisanie_prigorodnuyh_avtobusov_kemerovo.pdf
    • http://img0.liveinternet.ru/images/attach/c/6//4384/4384104_ubit_peresmeshnika_audiokniga_skachat_besplatno.pdf

Extracted artifacts 6

Files carved from inside the sample during analysis.

FilenameKindSourceSize
font_00_sfnt_off000244b1.bin
880e53e6f12106514012eaabb19a261b9f8ae03d695445fc59a5b9b5a1293281		 pdf-font-stream PDF embedded font (sfnt) at offset 0x244B1 3556 bytes
font_01_sfnt_off00025234.bin
9d912fddc673b901f18d0f29c7ee212a21050f175b1cad8bce1fc461bd5148f5		 pdf-font-stream PDF embedded font (sfnt) at offset 0x25234 14844 bytes
font_02_sfnt_off000280ce.bin
8c5e5bc4674cee60ec6c1619e60533ff44be00efca6b5f228c587d2f19a61a12		 pdf-font-stream PDF embedded font (sfnt) at offset 0x280CE 14520 bytes
font_03_sfnt_off0002ab9d.bin
670610cacb2de9c3dce64b407b813ab8dbcaf4e60d910c8b373066afb97c2c8e		 pdf-font-stream PDF embedded font (sfnt) at offset 0x2AB9D 6752 bytes
font_04_sfnt_off0002bf20.bin
819f9cc5156bfe3dae03045446d677a19b5879270357875344f9514601da73e3		 pdf-font-stream PDF embedded font (sfnt) at offset 0x2BF20 6084 bytes
font_05_sfnt_off0002ceb5.bin
9364d8c42993f0db1eb41a63b15a48dd56cef5056a611ab8e91dd81183a5a95e		 pdf-font-stream PDF embedded font (sfnt) at offset 0x2CEB5 3752 bytes

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