Malicious PDF — malware analysis report

Static analysis result for SHA-256 97da7bfc339dd856…

MALICIOUS

PDF

184.0 KB Created: 2015-08-08 10:54:27 +03:00 Authoring application: wkhtmltopdf 0.12.2.1 (via Qt 4.8.6)
MD5: 614dfbe54d00fcddc97ba23ad5912277 SHA-1: c03bb8ac66bdfde90433ba8e10360f30b3b14459 SHA-256: 97da7bfc339dd856a14e81254686fa1ba2f609745ce15b99b76deac962a5f2f0
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. This suggests the document is designed to lure users to a malicious website. No scripts were extracted, and the document body was heavily obfuscated and truncated, preventing further analysis of the specific lure. The primary IOC is the malicious redirector URL.

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=%D0%BF%D1%80%D0%BE%D0%B3%D1%80%D0%B0%D0%BC%D0%BC%D0%B0+%D1%82%D0%B5%D0%BB%D0%B5%D0%BF%D0%B5%D1%80%D0%B5%D0%B4%D0%B0%D1%87+%D0%BD%D0%B0+%D0%B4%D0%BE%D0%BC%D1%80%D1%83&charset=utf-8
    • http://fastpic.ru/
    • http://www.liveinternet.ru/click
    • http://img0.liveinternet.ru/images/attach/c/6//4384/4384342_chertezhi_besedok_skachat.pdf
    • http://img0.liveinternet.ru/images/attach/c/6//4384/4384554_taksometr_dlya_windows_ce_60.pdf
    • http://img1.liveinternet.ru/images/attach/c/6//4385/4385149_skachat_igru_kvadratnuyy_mir.pdf

Extracted artifacts 6

Files carved from inside the sample during analysis.

FilenameKindSourceSize
font_00_sfnt_off00023f9c.bin
880e53e6f12106514012eaabb19a261b9f8ae03d695445fc59a5b9b5a1293281		 pdf-font-stream PDF embedded font (sfnt) at offset 0x23F9C 3556 bytes
font_01_sfnt_off00024d1f.bin
f673788aca7c3c6e9317c919a81fe01a24c22d9b64b460a0e2b69875a06e1286		 pdf-font-stream PDF embedded font (sfnt) at offset 0x24D1F 14144 bytes
font_02_sfnt_off000279cb.bin
c33e6903d76079777c1b082a355654bfa5653b97afd40bc3e5344b34556d24bd		 pdf-font-stream PDF embedded font (sfnt) at offset 0x279CB 14468 bytes
font_03_sfnt_off0002a47d.bin
d96fa3a0321ac1c252375e40fc18bac672bfceab0e1634c9b57f4882a4ae0ff1		 pdf-font-stream PDF embedded font (sfnt) at offset 0x2A47D 6212 bytes
font_04_sfnt_off0002b603.bin
819f9cc5156bfe3dae03045446d677a19b5879270357875344f9514601da73e3		 pdf-font-stream PDF embedded font (sfnt) at offset 0x2B603 6084 bytes
font_05_sfnt_off0002c598.bin
9364d8c42993f0db1eb41a63b15a48dd56cef5056a611ab8e91dd81183a5a95e		 pdf-font-stream PDF embedded font (sfnt) at offset 0x2C598 3752 bytes

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