Malicious PDF — malware analysis report

Static analysis result for SHA-256 cf695e34109fb001…

MALICIOUS

PDF

188.4 KB Created: 2015-07-25 11:43:44 +03:00 Authoring application: wkhtmltopdf 0.12.2.1 (via Qt 4.8.6)
MD5: 60201489a56961b6cf0df23a1bdad764 SHA-1: b346ff7d7d885d63cb9ddc6d83692ea6197a7ad8 SHA-256: cf695e34109fb00198cdaee81c142dc6bdb790141912c4f360f46eefed4b94e3
60 Risk Score

Malware Insights

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

The PDF file contains a link to a known malicious redirector, botcraftman.ru. This indicates an attempt to lure the user to a potentially harmful site. No scripts were extracted, but the presence of the malicious URL is a strong indicator of malicious intent. The file was generated by wkhtmltopdf, which can sometimes be used to create malicious documents.

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%A1%D0%BA%D0%B0%D1%87%D0%B0%D1%82%D1%8C+%D0%9F%D1%80%D0%BE%D0%B3%D1%80%D0%B0%D0%BC%D0%BC%D1%8B+%D0%B4%D0%BB%D1%8F+%D0%B0%D0%B2%D1%82%D0%BE%D0%B7%D0%B0%D1%80%D0%B0%D0%B1%D0%BE%D1%82%D0%BA%D0%B0+%D0%B2+%D0%B8%D0%BD%D1%82%D0%B5%D1%80%D0%BD%D0%B5%D1%82%D0%B5&charset=utf-8
    • http://fastpic.ru/
    • http://www.liveinternet.ru/click
    • http://img1.liveinternet.ru/images/attach/c/5//4193/4193150_skachat_anti_afk_dlya_samp_03e.pdf
    • http://img1.liveinternet.ru/images/attach/c/5//4193/4193549_programma_stadia_skachat.pdf
    • http://img1.liveinternet.ru/images/attach/c/5//4189/4189554_dzhon_yeykaff_nachni_skachat.pdf

Extracted artifacts 6

Files carved from inside the sample during analysis.

FilenameKindSourceSize
font_00_sfnt_off00024d7a.bin
880e53e6f12106514012eaabb19a261b9f8ae03d695445fc59a5b9b5a1293281		 pdf-font-stream PDF embedded font (sfnt) at offset 0x24D7A 3556 bytes
font_01_sfnt_off00025afd.bin
b0ddcaf499a61d13ec6b873aa8038926f482621e154656cb5c90160b07c32479		 pdf-font-stream PDF embedded font (sfnt) at offset 0x25AFD 14580 bytes
font_02_sfnt_off0002883d.bin
c33e6903d76079777c1b082a355654bfa5653b97afd40bc3e5344b34556d24bd		 pdf-font-stream PDF embedded font (sfnt) at offset 0x2883D 14468 bytes
font_03_sfnt_off0002b2ef.bin
ec4238ff9001f5eeec82c94f38fdd45835751f3da377b9a4140649509e61581e		 pdf-font-stream PDF embedded font (sfnt) at offset 0x2B2EF 7120 bytes
font_04_sfnt_off0002c7a6.bin
819f9cc5156bfe3dae03045446d677a19b5879270357875344f9514601da73e3		 pdf-font-stream PDF embedded font (sfnt) at offset 0x2C7A6 6084 bytes
font_05_sfnt_off0002d73b.bin
9364d8c42993f0db1eb41a63b15a48dd56cef5056a611ab8e91dd81183a5a95e		 pdf-font-stream PDF embedded font (sfnt) at offset 0x2D73B 3752 bytes

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