Malicious PDF — malware analysis report

Static analysis result for SHA-256 a9842bae9445609b…

MALICIOUS

PDF

186.9 KB Created: 2015-07-26 10:27:57 +03:00 Authoring application: wkhtmltopdf 0.12.2.1 (via Qt 4.8.6)
MD5: 61bdfdfd0b0ccf09cb4ace133b75cd0f SHA-1: bc6f0e6602ff5383c906e0269c428786017d2741 SHA-256: a9842bae9445609b88e0415b307d06931e5b5c731a0a24b2ef4d029c4d56c765
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, http://botcraftman.ru/. This indicates an attempt to lure the user to a malicious site. No scripts were extracted, but the presence of the malicious URL is sufficient evidence for this assessment.

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%D0%BA%D0%B0%D1%87%D0%B0%D1%82%D1%8C+%D0%B8%D0%B3%D1%80%D1%83+%D0%B1%D0%B0%D1%80%D0%B1%D0%B8+%D1%82%D0%B0%D0%B8%D0%BD%D1%81%D1%82%D0%B2%D0%B5%D0%BD%D0%BD%D0%B0%D1%8F+%D0%BF%D1%80%D0%BE%D0%B3%D1%83%D0%BB%D0%BA%D0%B0+%D1%87%D0%B5%D1%80%D0%B5%D0%B7+%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/5//4199/4199906_sergey_lukyanenko_uchastkovuyy_skachat_fb2.pdf
    • http://img1.liveinternet.ru/images/attach/c/5//4185/4185727_klyuch_win7_domashnyaya_rasshirennaya.pdf
    • http://img0.liveinternet.ru/images/attach/c/5//4212/4212117_klyuchi_dlya_kasperskogo_60_na_2015_god_skachat_besplatno.pdf

Extracted artifacts 6

Files carved from inside the sample during analysis.

FilenameKindSourceSize
font_00_sfnt_off000247b3.bin
880e53e6f12106514012eaabb19a261b9f8ae03d695445fc59a5b9b5a1293281		 pdf-font-stream PDF embedded font (sfnt) at offset 0x247B3 3556 bytes
font_01_sfnt_off00025536.bin
4cf9fdb3378ea23a6d1893210a79b121c6d73663ba1e3fb69b2aba991555ef93		 pdf-font-stream PDF embedded font (sfnt) at offset 0x25536 14388 bytes
font_02_sfnt_off000282b7.bin
c33e6903d76079777c1b082a355654bfa5653b97afd40bc3e5344b34556d24bd		 pdf-font-stream PDF embedded font (sfnt) at offset 0x282B7 14468 bytes
font_03_sfnt_off0002ad69.bin
c5779882f591473a950e59cd3999f1521a243a97d613e10e11e4469b303ad0e1		 pdf-font-stream PDF embedded font (sfnt) at offset 0x2AD69 6988 bytes
font_04_sfnt_off0002c1ac.bin
819f9cc5156bfe3dae03045446d677a19b5879270357875344f9514601da73e3		 pdf-font-stream PDF embedded font (sfnt) at offset 0x2C1AC 6084 bytes
font_05_sfnt_off0002d141.bin
9364d8c42993f0db1eb41a63b15a48dd56cef5056a611ab8e91dd81183a5a95e		 pdf-font-stream PDF embedded font (sfnt) at offset 0x2D141 3752 bytes

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