Malicious PDF — malware analysis report

Static analysis result for SHA-256 4968e08eaf988e8f…

MALICIOUS

PDF

183.8 KB Created: 2015-07-24 15:24:40 +03:00 Authoring application: wkhtmltopdf 0.12.2.1 (via Qt 4.8.6)
MD5: 7255feb7cc37b5b6ca8de6a1a67d8a92 SHA-1: 2f3b4c31b92b2970b1a3aed1593010cc0553d6bd SHA-256: 4968e08eaf988e8fb8b0141ad9ed7dabafbf31120661eed775109fe9613d04fd
60 Risk Score

Malware Insights

MITRE ATT&CK
T1566.002 Spearphishing Attachment T1059.001 PowerShell

The PDF file contains an embedded link identified as a known malicious redirector. This heuristic strongly suggests the document is designed to lure users to a malicious website. The redirector URL is http://botcraftman.ru/?lip&keyword=%D0%9E%D1%82%D1%87%D0%B5%D1%82+%D0%BF%D0%BE+%D0%BF%D1%80%D0%B0%D0%BA%D1%82%D0%B8%D0%BA%D0%B5+%D0%B2+%D0%B0%D0%B2%D1%82%D0%BE%D1%81%D0%B0%D0%BB%D0%BE%D0%BD%D0%B5&charset=utf-8. No scripts were extracted from this sample, and the document body was not sufficiently readable to infer further 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=%D0%9E%D1%82%D1%87%D0%B5%D1%82+%D0%BF%D0%BE+%D0%BF%D1%80%D0%B0%D0%BA%D1%82%D0%B8%D0%BA%D0%B5+%D0%B2+%D0%B0%D0%B2%D1%82%D0%BE%D1%81%D0%B0%D0%BB%D0%BE%D0%BD%D0%B5&charset=utf-8
    • http://fastpic.ru/
    • http://www.liveinternet.ru/click
    • http://img0.liveinternet.ru/images/attach/c/5//4190/4190736_diktantuy_po_russkomu_yazuyku_2_klass_skachat.pdf
    • http://img0.liveinternet.ru/images/attach/c/5//4190/4190058_vzlomannuyy_megapolis_skachat_na_android.pdf
    • http://img0.liveinternet.ru/images/attach/c/5//4192/4192856_windows_xp_usb_skachat_torrent.pdf

Extracted artifacts 6

Files carved from inside the sample during analysis.

FilenameKindSourceSize
font_00_sfnt_off00023d29.bin
880e53e6f12106514012eaabb19a261b9f8ae03d695445fc59a5b9b5a1293281		 pdf-font-stream PDF embedded font (sfnt) at offset 0x23D29 3556 bytes
font_01_sfnt_off00024aac.bin
fff5d361b8efb1c461b68c17949dd6a8cf0c27fe09d00f25d079b857542e1352		 pdf-font-stream PDF embedded font (sfnt) at offset 0x24AAC 14672 bytes
font_02_sfnt_off00027889.bin
c33e6903d76079777c1b082a355654bfa5653b97afd40bc3e5344b34556d24bd		 pdf-font-stream PDF embedded font (sfnt) at offset 0x27889 14468 bytes
font_03_sfnt_off0002a33b.bin
890199d3aec4e85813f08589fe04f4a88bb0a631d96a12552eb7c391c74acce2		 pdf-font-stream PDF embedded font (sfnt) at offset 0x2A33B 6384 bytes
font_04_sfnt_off0002b558.bin
819f9cc5156bfe3dae03045446d677a19b5879270357875344f9514601da73e3		 pdf-font-stream PDF embedded font (sfnt) at offset 0x2B558 6084 bytes
font_05_sfnt_off0002c4ed.bin
9364d8c42993f0db1eb41a63b15a48dd56cef5056a611ab8e91dd81183a5a95e		 pdf-font-stream PDF embedded font (sfnt) at offset 0x2C4ED 3752 bytes

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