Malicious PDF — malware analysis report

Static analysis result for SHA-256 0474fb5e2e9edc3f…

MALICIOUS

PDF

184.7 KB Created: 2015-08-08 13:08:32 +03:00 Authoring application: wkhtmltopdf 0.12.2.1 (via Qt 4.8.6)
MD5: 768691561090ccd81f92395961895121 SHA-1: 85bbc58fb9b2149c545e46571076471d474230ff SHA-256: 0474fb5e2e9edc3faa2f055930bcdeab2c3bd9e78f88c792959edffc3029ede5
92 Risk Score

Malware Insights

MITRE ATT&CK
T1566.001 Spearphishing Attachment

The PDF was flagged by multiple heuristics as malicious, specifically for containing a link to known malicious redirector infrastructure. The embedded URL http://botcraftman.ru/... is highly suspicious and likely leads to a malicious site. No scripts were extracted, but the presence of a malicious link suggests an attempt to lure the user to a harmful destination.

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%BF%D0%BE%D1%80%D0%BD%D0%BE+%D1%81+%D0%BF%D0%B5%D1%80%D0%B5%D0%B2%D0%BE%D0%B4%D0%BE%D0%BC+%D1%81%D0%BA%D0%B0%D1%87%D0%B0%D1%82%D1%8C+%D1%82%D0%BE%D1%80%D1%80%D0%B5%D0%BD%D1%82&charset=utf-8
    • http://fastpic.ru/
    • http://www.liveinternet.ru/click
    • http://img1.liveinternet.ru/images/attach/c/6//4387/4387199_patch_dlya_pes_2015_belorusskaya_liga_skachat_besplatno.pdf
    • http://img1.liveinternet.ru/images/attach/c/6//4385/4385796_pochemu_vuyletaet_gta_4_pri_zapuske.pdf
    • http://img0.liveinternet.ru/images/attach/c/6//4390/4390790_prezentaciya_tablica_razryadov_i_klassov.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_off000242aa.bin
880e53e6f12106514012eaabb19a261b9f8ae03d695445fc59a5b9b5a1293281		 pdf-font-stream PDF embedded font (sfnt) at offset 0x242AA 3556 bytes
font_01_sfnt_off0002502d.bin
c7c205b0ce97beac68d631b2d7f6ccb9c69c0929fabad8c8b3ee89ffc0f1d8c8		 pdf-font-stream PDF embedded font (sfnt) at offset 0x2502D 13960 bytes
font_02_sfnt_off00027bdb.bin
c33e6903d76079777c1b082a355654bfa5653b97afd40bc3e5344b34556d24bd		 pdf-font-stream PDF embedded font (sfnt) at offset 0x27BDB 14468 bytes
font_03_sfnt_off0002a68d.bin
a770cd7b178128bab48e2a26c5a5d451e40b1d09f300914b4c5daec5f578eb9b		 pdf-font-stream PDF embedded font (sfnt) at offset 0x2A68D 6460 bytes
font_04_sfnt_off0002b8e5.bin
819f9cc5156bfe3dae03045446d677a19b5879270357875344f9514601da73e3		 pdf-font-stream PDF embedded font (sfnt) at offset 0x2B8E5 6084 bytes
font_05_sfnt_off0002c87a.bin
9364d8c42993f0db1eb41a63b15a48dd56cef5056a611ab8e91dd81183a5a95e		 pdf-font-stream PDF embedded font (sfnt) at offset 0x2C87A 3752 bytes

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