Malicious PDF — malware analysis report

Static analysis result for SHA-256 0abda3ec592199a2…

MALICIOUS

PDF

186.7 KB Created: 2015-07-24 19:06:08 +03:00 Authoring application: wkhtmltopdf 0.12.2.1 (via Qt 4.8.6)
MD5: b5caab966b1e895f6f5109ebb3d62c36 SHA-1: 2ef6e43682a3828e629e1878ebf25d70c521ba01 SHA-256: 0abda3ec592199a27b89c49beb7a7d52556e7df84085cf87520abb30ca78f908
152 Risk Score

Malware Insights

MITRE ATT&CK
T1566.001 Spearphishing Attachment

The PDF file was detected as malicious by multiple heuristics, including ClamAV and an ML classifier. A critical heuristic identified a link to a known malicious redirector, botcraftman.ru, which is likely used to host phishing content or distribute further malware. No scripts were extracted, but the presence of the malicious URL strongly suggests a phishing or malware delivery attempt.

Machine Learning

  • Nyx PDF Classifier malicious score 0.9982

Heuristics 3

  • 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.
  • ClamAV: Pdf.Dropper.Agent-8954012-0 critical CLAMAV_DETECTION
    ClamAV detected this file as malware: Pdf.Dropper.Agent-8954012-0
  • 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%BF%D1%80%D0%B0%D0%B2%D0%BA%D0%B0+%D0%BE+%D0%BF%D0%BE%D0%B4%D1%82%D0%B2%D0%B5%D1%80%D0%B6%D0%B4%D0%B5%D0%BD%D0%B8%D0%B8+%D1%81%D1%82%D0%B0%D0%B6%D0%B0+%D1%80%D0%B0%D0%B1%D0%BE%D1%82%D1%8B+%D0%BE%D0%B1%D1%80%D0%B0%D0%B7%D0%B5%D1%86&charset=utf-8
    • http://fastpic.ru/
    • http://www.liveinternet.ru/click
    • http://img0.liveinternet.ru/images/attach/c/5//4186/4186302_skachat_fayl_dlya_rezyume.pdf
    • http://img1.liveinternet.ru/images/attach/c/5//4189/4189462_flightradar24com_na_russkom_yazuyke_skachat.pdf
    • http://img1.liveinternet.ru/images/attach/c/5//4185/4185275_prohozhdenie_igruy_stalker_chistoe_nebo_holodnaya_krov.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_off000246ab.bin
880e53e6f12106514012eaabb19a261b9f8ae03d695445fc59a5b9b5a1293281		 pdf-font-stream PDF embedded font (sfnt) at offset 0x246AB 3556 bytes
font_01_sfnt_off0002542e.bin
4cf6ccc1cd617ead33f68e250280d60d13a621e157923fb62fe11fb0b02ebb66		 pdf-font-stream PDF embedded font (sfnt) at offset 0x2542E 14968 bytes
font_02_sfnt_off0002824c.bin
b79d56b22a3d37edc4793e81e28af2d51416733c1decb699be69ae0b1e9dff38		 pdf-font-stream PDF embedded font (sfnt) at offset 0x2824C 14468 bytes
font_03_sfnt_off0002acfb.bin
f692c27e9249bc59dc81083e27828bf7cb379c6efd5645f050d8ef028ee2298f		 pdf-font-stream PDF embedded font (sfnt) at offset 0x2ACFB 6948 bytes
font_04_sfnt_off0002c102.bin
819f9cc5156bfe3dae03045446d677a19b5879270357875344f9514601da73e3		 pdf-font-stream PDF embedded font (sfnt) at offset 0x2C102 6084 bytes
font_05_sfnt_off0002d097.bin
9364d8c42993f0db1eb41a63b15a48dd56cef5056a611ab8e91dd81183a5a95e		 pdf-font-stream PDF embedded font (sfnt) at offset 0x2D097 3752 bytes

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