Malicious PDF — malware analysis report

Static analysis result for SHA-256 69366be62660071f…

MALICIOUS

PDF

186.6 KB Created: 2015-07-25 20:25:02 +03:00 Authoring application: wkhtmltopdf 0.12.2.1 (via Qt 4.8.6)
MD5: e6918fa09e45a3fefc5277011bf6516b SHA-1: ad74f703a6a1e4452ae0da5c59b8df2adf15a354 SHA-256: 69366be62660071f10fc8224a331d1649f17d8b8ce1d5d1736d745639fc1f856
92 Risk Score

Malware Insights

MITRE ATT&CK
T1566.001 Spearphishing Attachment

The PDF contains an embedded URL that is flagged as a malicious redirector. The ML classifier also strongly indicated maliciousness. This suggests the document is designed to lure users to a harmful site, likely for phishing or to download further malware. No scripts were extracted, but the presence of a malicious link is sufficient evidence of malicious intent.

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=%D1%81%D1%82%D0%B0%D0%BB%D0%BA%D0%B5%D1%80+%D0%B7%D0%BE%D0%B2+%D0%BF%D1%80%D0%B8%D0%BF%D1%8F%D1%82%D0%B8+%D0%BA%D0%BE%D0%B4%D1%8B+%D0%BD%D0%B0+%D0%B1%D0%B5%D1%81%D1%81%D0%BC%D0%B5%D1%80%D1%82%D0%B8%D0%B5&charset=utf-8
    • http://fastpic.ru/
    • http://www.liveinternet.ru/click
    • http://img0.liveinternet.ru/images/attach/c/5//4196/4196100_unity3d_skachat_teksturuy.pdf
    • http://img0.liveinternet.ru/images/attach/c/5//4192/4192619_skachat_igruy_cherez_torrent_stalker_chistoe_nebo.pdf
    • http://img1.liveinternet.ru/images/attach/c/5//4185/4185318_skachat_konspektuy_asgardskogo_duhovnogo_uchilischa.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_off00024665.bin
880e53e6f12106514012eaabb19a261b9f8ae03d695445fc59a5b9b5a1293281		 pdf-font-stream PDF embedded font (sfnt) at offset 0x24665 3556 bytes
font_01_sfnt_off000253e8.bin
8729641331a744df2c90765d58317b6e17f2dc06f8a89c3e7feff5ce50d724bd		 pdf-font-stream PDF embedded font (sfnt) at offset 0x253E8 14540 bytes
font_02_sfnt_off0002815e.bin
dde8cb3db78f49492d397de1013a074ab9c596bc0508faa33f94bd64189db0ac		 pdf-font-stream PDF embedded font (sfnt) at offset 0x2815E 14468 bytes
font_03_sfnt_off0002ac11.bin
fcb90d9d46917c2117439ebe820f014033abd859340437ef5e2f521d0dbb2450		 pdf-font-stream PDF embedded font (sfnt) at offset 0x2AC11 7012 bytes
font_04_sfnt_off0002c06a.bin
819f9cc5156bfe3dae03045446d677a19b5879270357875344f9514601da73e3		 pdf-font-stream PDF embedded font (sfnt) at offset 0x2C06A 6084 bytes
font_05_sfnt_off0002cfff.bin
9364d8c42993f0db1eb41a63b15a48dd56cef5056a611ab8e91dd81183a5a95e		 pdf-font-stream PDF embedded font (sfnt) at offset 0x2CFFF 3752 bytes

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