Malicious PDF — malware analysis report

Static analysis result for SHA-256 89558b23ff8612c1…

MALICIOUS

PDF

183.5 KB Created: 2015-08-05 13:34:14 +03:00 Authoring application: wkhtmltopdf 0.12.2.1 (via Qt 4.8.6)
MD5: 55a14955ebe6b9943f873c8e6481b28d SHA-1: 2c89ddafeec6550c739aed214feb7193f007d954 SHA-256: 89558b23ff8612c1c7c4ba8a5d32b55fae347c560702c70655e7e5d4d0234631
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 heuristic firing indicates the document is designed to lure users to a potentially harmful website. No scripts were extracted, and the document body was truncated, limiting further analysis of the exact lure. The primary attack vector appears to be a malicious redirector link embedded within the PDF.

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+%D0%B3%D1%82%D0%B0+%D0%B0%D0%BB%D0%B8%D0%B5%D0%BD+%D1%81%D0%B8%D1%82%D0%B8&charset=utf-8
    • http://fastpic.ru/
    • http://www.liveinternet.ru/click
    • http://img0.liveinternet.ru/images/attach/c/6//4304/4304451_bangkok_hilton_skachat_torrent_v_horoshem_kachestve.pdf
    • http://img0.liveinternet.ru/images/attach/c/6//4304/4304494_programma_dlya_seosprint_skachat_besplatno.pdf
    • http://img0.liveinternet.ru/images/attach/c/6//4304/4304454_skachat_igru_zhivaya_stal_na_kompyuter_besplatno.pdf

Extracted artifacts 6

Files carved from inside the sample during analysis.

FilenameKindSourceSize
font_00_sfnt_off00023e08.bin
880e53e6f12106514012eaabb19a261b9f8ae03d695445fc59a5b9b5a1293281		 pdf-font-stream PDF embedded font (sfnt) at offset 0x23E08 3556 bytes
font_01_sfnt_off00024b8b.bin
25fd3a079867ce3d5f185dcc6928c9c2f725ad67c9be6a4c4397d99f8b9945d7		 pdf-font-stream PDF embedded font (sfnt) at offset 0x24B8B 14212 bytes
font_02_sfnt_off00027827.bin
c33e6903d76079777c1b082a355654bfa5653b97afd40bc3e5344b34556d24bd		 pdf-font-stream PDF embedded font (sfnt) at offset 0x27827 14468 bytes
font_03_sfnt_off0002a2d9.bin
4e02685d36fc029be8a56aedcc121d9866f8f55b7499d14eb87d2b7b6006a59d		 pdf-font-stream PDF embedded font (sfnt) at offset 0x2A2D9 6128 bytes
font_04_sfnt_off0002b406.bin
819f9cc5156bfe3dae03045446d677a19b5879270357875344f9514601da73e3		 pdf-font-stream PDF embedded font (sfnt) at offset 0x2B406 6084 bytes
font_05_sfnt_off0002c39b.bin
9364d8c42993f0db1eb41a63b15a48dd56cef5056a611ab8e91dd81183a5a95e		 pdf-font-stream PDF embedded font (sfnt) at offset 0x2C39B 3752 bytes

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