Malicious PDF — malware analysis report

Static analysis result for SHA-256 06df7978d33a982b…

MALICIOUS

PDF

186.4 KB Created: 2015-07-24 00:11:28 +03:00 Authoring application: wkhtmltopdf 0.12.2.1 (via Qt 4.8.6)
MD5: 0d35a80a347d4673d2794a30d1a3a450 SHA-1: c2f3248a266a321ca0cb6c3f4089bc809eb5c64c SHA-256: 06df7978d33a982bf174519c80ee99c0ffd32fd98c3b8850653d1986bd2b881c
92 Risk Score

Malware Insights

MITRE ATT&CK
T1566.001 Spearphishing Attachment

The PDF document was flagged by multiple heuristics as malicious, specifically for containing a link to a known malicious redirector. The ML classifier also strongly indicated maliciousness. The embedded URL is the primary indicator of malicious intent, likely serving as a lure to a phishing or malware distribution site. No scripts were extracted, but the presence of a malicious URL is sufficient evidence.

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%9F%D1%80%D0%BE%D0%B3%D1%80%D0%B0%D0%BC%D0%BC%D0%B0+%D0%B4%D0%BB%D1%8F+%D0%B2%D0%B7%D0%BB%D0%BE%D0%BC%D0%B0+%D0%B0%D0%B4%D0%BC%D0%B8%D0%BD%D0%BE%D0%BA+%D0%B2+%D0%BC%D0%B0%D0%B9%D0%BD+%D0%BA%D1%80%D0%B0%D1%84%D1%82+1+5+2&charset=utf-8
    • http://fastpic.ru/
    • http://www.liveinternet.ru/click
    • http://img1.liveinternet.ru/images/attach/c/5//4185/4185206_dsdtse_skachat_windows.pdf
    • http://img1.liveinternet.ru/images/attach/c/5//4185/4185335_skachat_besplatno_drayver_dlya_rv620_le_agp_ati_radeon_hd_3450.pdf
    • http://img0.liveinternet.ru/images/attach/c/5//4186/4186236_smotret_h2o_prosto_dobav_voduy_1_2_3_4_5_6_sezon.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_off00024481.bin
880e53e6f12106514012eaabb19a261b9f8ae03d695445fc59a5b9b5a1293281		 pdf-font-stream PDF embedded font (sfnt) at offset 0x24481 3556 bytes
font_01_sfnt_off00025204.bin
44edc227ddee5cacd7f509062b73fcd5f87c2b7852688886e6e82d2b8134528a		 pdf-font-stream PDF embedded font (sfnt) at offset 0x25204 14996 bytes
font_02_sfnt_off00028062.bin
cfe700f2d36c9099e036fab54dcb7a869333f3c3c99075ac04c4f40eaea759a1		 pdf-font-stream PDF embedded font (sfnt) at offset 0x28062 14640 bytes
font_03_sfnt_off0002ab93.bin
0e9ee56690d0d8325f0f864cbb7c215310f12ba790f1c29a1ce589f09c6309c8		 pdf-font-stream PDF embedded font (sfnt) at offset 0x2AB93 6960 bytes
font_04_sfnt_off0002bfc5.bin
819f9cc5156bfe3dae03045446d677a19b5879270357875344f9514601da73e3		 pdf-font-stream PDF embedded font (sfnt) at offset 0x2BFC5 6084 bytes
font_05_sfnt_off0002cf5a.bin
9364d8c42993f0db1eb41a63b15a48dd56cef5056a611ab8e91dd81183a5a95e		 pdf-font-stream PDF embedded font (sfnt) at offset 0x2CF5A 3752 bytes

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