Malicious PDF — malware analysis report

Static analysis result for SHA-256 1ce3a538bf164037…

MALICIOUS

PDF

185.4 KB Created: 2015-07-24 00:17:35 +03:00 Authoring application: wkhtmltopdf 0.12.2.1 (via Qt 4.8.6)
MD5: 8efab2de9897019b67a55507b0b121e6 SHA-1: 01ce8af4550a5f7c867dc75344ed974c8cf00c58 SHA-256: 1ce3a538bf1640373b674f0139ef0517519f0851e0910635cecd90f40ccfeee0
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. This indicates the document is designed to lure the user to a potentially harmful website. The redirector URL is http://botcraftman.ru/?lip&keyword=%D1%81%D0%BA%D0%B0%D1%87%D0%B0%D1%82%D1%8C+%D1%81%D1%82%D0%B0%D0%BD%D0%B4%D0%B0%D1%80%D1%82%D0%BD%D1%8B%D0%B5+%D0%B8%D0%B3%D1%80%D1%8B+%D0%BD%D0%B0+windows+xp&charset=utf-8. No scripts were extracted, limiting further analysis of the payload.

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%81%D1%82%D0%B0%D0%BD%D0%B4%D0%B0%D1%80%D1%82%D0%BD%D1%8B%D0%B5+%D0%B8%D0%B3%D1%80%D1%8B+%D0%BD%D0%B0+windows+xp&charset=utf-8
    • http://fastpic.ru/
    • http://www.liveinternet.ru/click
    • http://img1.liveinternet.ru/images/attach/c/5//4185/4185486_fiksiki_novuye_serii_s_41_po_51_skachat_torrent.pdf
    • http://img0.liveinternet.ru/images/attach/c/5//4184/4184929_barbie_horse_adventures_riding_camp_skachat.pdf
    • http://img1.liveinternet.ru/images/attach/c/5//4185/4185024_koduy_produkta_dlya_origin_besplatno.pdf

Extracted artifacts 6

Files carved from inside the sample during analysis.

FilenameKindSourceSize
stream_048_off0002a768.bin
56cce1e3c122cbeac96cd5084a7a5e12cc5500d4ee56ee2fdce6c0e404ba7408		 decompressed-pdf-stream PDF FlateDecoded stream at offset 0x2A768 7076 bytes
font_00_sfnt_off00024026.bin
880e53e6f12106514012eaabb19a261b9f8ae03d695445fc59a5b9b5a1293281		 pdf-font-stream PDF embedded font (sfnt) at offset 0x24026 3556 bytes
font_01_sfnt_off00024da9.bin
21a123b315ce739b7926e19c54c571d8ad3198ae02393fc1f2299858c163df77		 pdf-font-stream PDF embedded font (sfnt) at offset 0x24DA9 15324 bytes
font_02_sfnt_off00027c3a.bin
1091b4b8d48a8ce1027c776f27791d9202155ca7b76db25bb73195ecd5f5c327		 pdf-font-stream PDF embedded font (sfnt) at offset 0x27C3A 14604 bytes
font_04_sfnt_off0002bbec.bin
819f9cc5156bfe3dae03045446d677a19b5879270357875344f9514601da73e3		 pdf-font-stream PDF embedded font (sfnt) at offset 0x2BBEC 6084 bytes
font_05_sfnt_off0002cb81.bin
9364d8c42993f0db1eb41a63b15a48dd56cef5056a611ab8e91dd81183a5a95e		 pdf-font-stream PDF embedded font (sfnt) at offset 0x2CB81 3752 bytes

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