Malicious PDF — malware analysis report

Static analysis result for SHA-256 4d26ba41c050a2c0…

MALICIOUS

PDF

184.7 KB Created: 2015-07-23 20:52:17 +03:00 Authoring application: wkhtmltopdf 0.12.2.1 (via Qt 4.8.6)
MD5: 432f7ba4caca2f8303ab7db03788c806 SHA-1: bd8eeb8ca8dae0fe16c09f759d417f884cd230e1 SHA-256: 4d26ba41c050a2c074f8e18e5bbd99c562b08b87035bd1e4f5d872a531019cef
60 Risk Score

Malware Insights

MITRE ATT&CK
T1566.002 Spearphishing Attachment T1059.001 PowerShell

The PDF file was flagged for containing a link to a known malicious redirector. This indicates a likely attempt to lure the user to a malicious website for phishing or malware delivery. No scripts were extracted, and the document body was truncated, limiting further analysis of the specific lure. The primary IOC is the malicious redirector URL.

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%9A%D1%8B%D1%80%D0%B3%D1%8B%D0%B7%D1%87%D0%B0+%D1%81%D1%83%D0%B9%D1%83%D1%83+%D0%BB%D0%B8%D1%80%D0%B8%D0%BA%D0%B0%D0%BB%D0%B0%D1%80&charset=utf-8
    • http://fastpic.ru/
    • http://www.liveinternet.ru/click
    • http://img0.liveinternet.ru/images/attach/c/5//4184/4184663_otvetnoe_slovo_vuypusknikov_na_vuypusknom_vechere.pdf
    • http://img0.liveinternet.ru/images/attach/c/5//4184/4184685_akunin_ohota_na_odisseya_skachat.pdf
    • http://img1.liveinternet.ru/images/attach/c/5//4183/4183184_labirint_minotavra_shema.pdf

Extracted artifacts 6

Files carved from inside the sample during analysis.

FilenameKindSourceSize
font_00_sfnt_off0002409c.bin
880e53e6f12106514012eaabb19a261b9f8ae03d695445fc59a5b9b5a1293281		 pdf-font-stream PDF embedded font (sfnt) at offset 0x2409C 3556 bytes
font_01_sfnt_off00024e1f.bin
7fda01e58927f55769ffb3d7eb59344899fc948151e9e8e709a5c3785c497255		 pdf-font-stream PDF embedded font (sfnt) at offset 0x24E1F 14672 bytes
font_02_sfnt_off00027c6a.bin
c33e6903d76079777c1b082a355654bfa5653b97afd40bc3e5344b34556d24bd		 pdf-font-stream PDF embedded font (sfnt) at offset 0x27C6A 14468 bytes
font_03_sfnt_off0002a71c.bin
839bfc5bfe52faf5521079c25ef8719834d5e8aac2aeb850322d99b2be5b8b6a		 pdf-font-stream PDF embedded font (sfnt) at offset 0x2A71C 6380 bytes
font_04_sfnt_off0002b924.bin
819f9cc5156bfe3dae03045446d677a19b5879270357875344f9514601da73e3		 pdf-font-stream PDF embedded font (sfnt) at offset 0x2B924 6084 bytes
font_05_sfnt_off0002c8b9.bin
9364d8c42993f0db1eb41a63b15a48dd56cef5056a611ab8e91dd81183a5a95e		 pdf-font-stream PDF embedded font (sfnt) at offset 0x2C8B9 3752 bytes

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