Malicious PDF — malware analysis report

Static analysis result for SHA-256 738c7f607f6e8ee7…

MALICIOUS

PDF

188.6 KB Created: 2015-07-24 13:04:47 +03:00 Authoring application: wkhtmltopdf 0.12.2.1 (via Qt 4.8.6)
MD5: b82092c78909fd7c09a37b9040f530d6 SHA-1: 40545c46b8bd81097cac9b9381c55d98e5620718 SHA-256: 738c7f607f6e8ee7ed8163f83026b9e728a3f2254b4949c35f778941836602ed
92 Risk Score

Malware Insights

MITRE ATT&CK
T1566.001 Spearphishing Attachment

The PDF file was flagged by multiple heuristics as malicious, specifically for containing a link to known malicious redirector infrastructure. The embedded URL, http://botcraftcraftman.ru/..., is the primary indicator of malicious intent. While no scripts were extracted, the presence of this malicious link suggests the document is designed to lure users to a harmful site, likely for phishing or malware delivery.

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%B0%D0%BD%D0%B0%D0%BB%D0%B8%D1%82%D0%B8%D1%87%D0%B5%D1%81%D0%BA%D0%B0%D1%8F+%D1%81%D0%BF%D1%80%D0%B0%D0%B2%D0%BA%D0%B0+%D0%BF%D0%BE+%D1%80%D0%B5%D0%B7%D1%83%D0%BB%D1%8C%D1%82%D0%B0%D1%82%D0%B0%D0%BC+%D0%BC%D0%BE%D0%BD%D0%B8%D1%82%D0%BE%D1%80%D0%B8%D0%BD%D0%B3%D0%B0+%D0%B2+%D0%B4%D0%BE%D1%83&charset=utf-8
    • http://fastpic.ru/
    • http://www.liveinternet.ru/click
    • http://img1.liveinternet.ru/images/attach/c/5//4187/4187318_skachat_simsimi_na_kompyuter.pdf
    • http://img0.liveinternet.ru/images/attach/c/5//4192/4192020_skachat_kontr_strayk_besplatno_na_kompyuter.pdf
    • http://img0.liveinternet.ru/images/attach/c/5//4186/4186386_otchet_marketingovogo_issledovaniya.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_off00024e00.bin
880e53e6f12106514012eaabb19a261b9f8ae03d695445fc59a5b9b5a1293281		 pdf-font-stream PDF embedded font (sfnt) at offset 0x24E00 3556 bytes
font_01_sfnt_off00025b83.bin
082abde521266e0ffff681c817615bde8d94611fca95b505bae53c5d6f847138		 pdf-font-stream PDF embedded font (sfnt) at offset 0x25B83 14720 bytes
font_02_sfnt_off000289b5.bin
c33e6903d76079777c1b082a355654bfa5653b97afd40bc3e5344b34556d24bd		 pdf-font-stream PDF embedded font (sfnt) at offset 0x289B5 14468 bytes
font_03_sfnt_off0002b467.bin
9dcf16a59b5eecba43265949a998778ff2a2dcba08bdb57b2d6586dc75da1a41		 pdf-font-stream PDF embedded font (sfnt) at offset 0x2B467 6964 bytes
font_04_sfnt_off0002c89c.bin
819f9cc5156bfe3dae03045446d677a19b5879270357875344f9514601da73e3		 pdf-font-stream PDF embedded font (sfnt) at offset 0x2C89C 6084 bytes
font_05_sfnt_off0002d831.bin
9364d8c42993f0db1eb41a63b15a48dd56cef5056a611ab8e91dd81183a5a95e		 pdf-font-stream PDF embedded font (sfnt) at offset 0x2D831 3752 bytes

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