Malicious PDF — malware analysis report

Static analysis result for SHA-256 31556eac06bfc407…

MALICIOUS

PDF

187.6 KB Created: 2015-07-24 11:41:19 +03:00 Authoring application: wkhtmltopdf 0.12.2.1 (via Qt 4.8.6)
MD5: 3bb86c5e043f01cff8b7e916e604a82e SHA-1: e24bbbe3d8839077edfb838fc46852aa267a810a SHA-256: 31556eac06bfc4071826e5f0ecfaf41ee036cc201164f07100c9c4fe5cfee3e3
60 Risk Score

Malware Insights

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

The PDF file was flagged as a malicious redirector due to an embedded link. This link, http://botcraftman.ru/..., likely serves as a lure to download malicious payloads or direct users to phishing sites. No scripts were extracted, and the document body was not sufficiently readable to determine a specific lure, but the presence of the malicious URL is a strong indicator of malicious 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=%D1%81%D0%BA%D0%B0%D1%87%D0%B0%D1%82%D1%8C+%D0%B1%D0%B5%D1%81%D0%BF%D0%BB%D0%B0%D1%82%D0%BD%D0%BE+%D0%BF%D1%80%D0%BE%D0%B3%D1%80%D0%B0%D0%BC%D0%BC%D1%83+pattern+maker+%D0%BD%D0%B0+%D1%80%D1%83%D1%81%D1%81%D0%BA%D0%BE%D0%BC+%D1%8F%D0%B7%D1%8B%D0%BA%D0%B5&charset=utf-8
    • http://fastpic.ru/
    • http://www.liveinternet.ru/click
    • http://img1.liveinternet.ru/images/attach/c/5//4185/4185147_card_wars_adventure_time_skachat_na_pc.pdf
    • http://img0.liveinternet.ru/images/attach/c/5//4192/4192058_ostruyy_mech_razyaschiy_koldunov_vredyaschih_skachat.pdf
    • http://img1.liveinternet.ru/images/attach/c/5//4191/4191726_ct_po_angliyskomu_yazuyku_2015.pdf

Extracted artifacts 6

Files carved from inside the sample during analysis.

FilenameKindSourceSize
font_00_sfnt_off00024753.bin
880e53e6f12106514012eaabb19a261b9f8ae03d695445fc59a5b9b5a1293281		 pdf-font-stream PDF embedded font (sfnt) at offset 0x24753 3556 bytes
font_01_sfnt_off000254d6.bin
ce08e595cd3fd7915dc1a9052760bf40c7c181d068ec8c71053cba48102d2a84		 pdf-font-stream PDF embedded font (sfnt) at offset 0x254D6 14620 bytes
font_02_sfnt_off0002824f.bin
4730a81f631828b9256ab452750356c7b369b45bdcce63a6129e4dab0e786b3f		 pdf-font-stream PDF embedded font (sfnt) at offset 0x2824F 14744 bytes
font_03_sfnt_off0002add8.bin
8ab5bf57e924902c7fd0c2a9087ffbedbeed1f9972b9d59607013750aa60b0bf		 pdf-font-stream PDF embedded font (sfnt) at offset 0x2ADD8 7776 bytes
font_04_sfnt_off0002c4c9.bin
819f9cc5156bfe3dae03045446d677a19b5879270357875344f9514601da73e3		 pdf-font-stream PDF embedded font (sfnt) at offset 0x2C4C9 6084 bytes
font_05_sfnt_off0002d45e.bin
9364d8c42993f0db1eb41a63b15a48dd56cef5056a611ab8e91dd81183a5a95e		 pdf-font-stream PDF embedded font (sfnt) at offset 0x2D45E 3752 bytes

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