Malicious PDF — malware analysis report

Static analysis result for SHA-256 dd2f36f51a2f6440…

MALICIOUS

PDF

186.3 KB Created: 2015-07-24 14:10:49 +03:00 Authoring application: wkhtmltopdf 0.12.2.1 (via Qt 4.8.6)
MD5: 6138e60ef8c5de29699e4548f319ee35 SHA-1: c515a41263622e09115ef4b4905b43c6f61cb0bd SHA-256: dd2f36f51a2f64401bf4772ebc944a645699a36610684bc85dac35245013154e
60 Risk Score

Malware Insights

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

The PDF file contains an embedded link flagged as a known malicious redirector. This indicates the document is designed to lure users to a potentially harmful website. No scripts were extracted, but the presence of the malicious URL is sufficient evidence for this assessment. The file was authored using wkhtmltopdf, which is sometimes used to generate malicious PDFs.

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%80%D0%B0%D0%BC%D0%BA%D0%B8+%D0%B4%D0%BB%D1%8F+%D0%B3%D1%80%D0%B0%D0%BC%D0%BE%D1%82+%D0%B8+%D0%B4%D0%B8%D0%BF%D0%BB%D0%BE%D0%BC%D0%BE%D0%B2+%D1%81%D0%BA%D0%B0%D1%87%D0%B0%D1%82%D1%8C+%D0%B1%D0%B5%D1%81%D0%BF%D0%BB%D0%B0%D1%82%D0%BD%D0%BE&charset=utf-8
    • http://fastpic.ru/
    • http://www.liveinternet.ru/click
    • http://img1.liveinternet.ru/images/attach/c/5//4189/4189729_glushitel_dlya_sayga_410_chertezh.pdf
    • http://img1.liveinternet.ru/images/attach/c/5//4191/4191591_voennuye_skinuy_dlya_maynkraft.pdf
    • http://img0.liveinternet.ru/images/attach/c/5//4184/4184834_vzlomovod_skachat.pdf

Extracted artifacts 6

Files carved from inside the sample during analysis.

FilenameKindSourceSize
font_00_sfnt_off000245d7.bin
880e53e6f12106514012eaabb19a261b9f8ae03d695445fc59a5b9b5a1293281		 pdf-font-stream PDF embedded font (sfnt) at offset 0x245D7 3556 bytes
font_01_sfnt_off0002535a.bin
ac84562457c677809e93846ca75e8b4caf36533b091bcd11102bbdc1fc36b229		 pdf-font-stream PDF embedded font (sfnt) at offset 0x2535A 14388 bytes
font_02_sfnt_off0002809a.bin
c33e6903d76079777c1b082a355654bfa5653b97afd40bc3e5344b34556d24bd		 pdf-font-stream PDF embedded font (sfnt) at offset 0x2809A 14468 bytes
font_03_sfnt_off0002ab4c.bin
4cac61ff4084f0e2b67fed0b632dffbac7826970454b76d93e6de6000569d331		 pdf-font-stream PDF embedded font (sfnt) at offset 0x2AB4C 6972 bytes
font_04_sfnt_off0002bf78.bin
819f9cc5156bfe3dae03045446d677a19b5879270357875344f9514601da73e3		 pdf-font-stream PDF embedded font (sfnt) at offset 0x2BF78 6084 bytes
font_05_sfnt_off0002cf0d.bin
9364d8c42993f0db1eb41a63b15a48dd56cef5056a611ab8e91dd81183a5a95e		 pdf-font-stream PDF embedded font (sfnt) at offset 0x2CF0D 3752 bytes

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