Malicious PDF — malware analysis report

Static analysis result for SHA-256 10ccf2fa2b3ee6a0…

MALICIOUS

PDF

187.6 KB Created: 2015-07-24 14:50:32 +03:00 Authoring application: wkhtmltopdf 0.12.2.1 (via Qt 4.8.6)
MD5: 3a6fba81f9bee08618afaa05e4e77e85 SHA-1: a07587e777cac0763a035844e4368135f274bc3d SHA-256: 10ccf2fa2b3ee6a08c125d8f35093351fb0c455f40e7a1c4adf0bfc6e00b38c3
92 Risk Score

Malware Insights

MITRE ATT&CK
T1566.001 Spearphishing Attachment

The PDF file was flagged as malicious by a machine learning classifier and contains a link to known malicious redirector infrastructure. The embedded URL, http://botcraftman.ru/, is likely part of a phishing or malware distribution scheme. No scripts were extracted, but the presence of a malicious link strongly suggests an attempt to compromise the user.

Machine Learning

  • Nyx PDF Classifier malicious score 0.9982

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%B4%D0%B5%D0%BD+%D0%B1%D1%80%D0%B0%D1%83%D0%BD+%D0%B8%D0%BD%D1%84%D0%B5%D1%80%D0%BD%D0%BE+%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%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//4187/4187621_sobor_parizhskoy_bogomateri_myuzikl_russkaya_versiya_torrent.pdf
    • http://img1.liveinternet.ru/images/attach/c/5//4191/4191086_temuy_dlya_nokia_e72_skachat_besplatno.pdf
    • http://img0.liveinternet.ru/images/attach/c/5//4192/4192431_whatsapp_dlya_nokia_s3_00_skachat_besplatno.pdf
    • http://www.microsoft.com/typography/fonts/
    • http://www.microsoft.com/typography/fonts/You

Extracted artifacts 6

Files carved from inside the sample during analysis.

FilenameKindSourceSize
font_00_sfnt_off000248a5.bin
880e53e6f12106514012eaabb19a261b9f8ae03d695445fc59a5b9b5a1293281		 pdf-font-stream PDF embedded font (sfnt) at offset 0x248A5 3556 bytes
font_01_sfnt_off00025628.bin
c9e0e0cd6b6a37b054b7698d03d2261b9ffc880dd7ccb492e5eb7681375fa962		 pdf-font-stream PDF embedded font (sfnt) at offset 0x25628 14996 bytes
font_02_sfnt_off000284d3.bin
c33e6903d76079777c1b082a355654bfa5653b97afd40bc3e5344b34556d24bd		 pdf-font-stream PDF embedded font (sfnt) at offset 0x284D3 14468 bytes
font_03_sfnt_off0002af85.bin
44bac95d2fc462bc0f14801f4ff9b89609d5251ecacdbc54868c0e36a17225ab		 pdf-font-stream PDF embedded font (sfnt) at offset 0x2AF85 7184 bytes
font_04_sfnt_off0002c47a.bin
819f9cc5156bfe3dae03045446d677a19b5879270357875344f9514601da73e3		 pdf-font-stream PDF embedded font (sfnt) at offset 0x2C47A 6084 bytes
font_05_sfnt_off0002d40f.bin
9364d8c42993f0db1eb41a63b15a48dd56cef5056a611ab8e91dd81183a5a95e		 pdf-font-stream PDF embedded font (sfnt) at offset 0x2D40F 3752 bytes

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