Malicious PDF — malware analysis report

Static analysis result for SHA-256 49afd3ffc0c8e13e…

MALICIOUS

PDF

187.1 KB Created: 2015-07-24 11:59:40 +03:00 Authoring application: wkhtmltopdf 0.12.2.1 (via Qt 4.8.6)
MD5: a9bea957f4a7e8c44846e2d279b238b7 SHA-1: 6cd8686088d5777638b3f6861f98ca5accc7fc40 SHA-256: 49afd3ffc0c8e13ef75d64187d03fa0f1e1082b0b575b1381aacb4a6e5d75222
90 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. The ML classifier also flagged this PDF with high confidence. The embedded URL is likely intended to lead the user to a malicious site for further exploitation.

Machine Learning

  • Nyx PDF Classifier malicious score 0.9980

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%B4%D0%B8%D0%B4%D0%B0%D0%BA%D1%82%D0%B8%D1%87%D0%B5%D1%81%D0%BA%D0%B8%D0%B5+%D0%B8%D0%B3%D1%80%D1%8B+%D0%B2+%D0%BF%D0%BE%D0%B4%D0%B3%D0%BE%D1%82%D0%BE%D0%B2%D0%B8%D1%82%D0%B5%D0%BB%D1%8C%D0%BD%D0%BE%D0%B9+%D0%B3%D1%80%D1%83%D0%BF%D0%BF%D0%B5+%D0%BF%D0%BE+%D0%BC%D0%B0%D1%82%D0%B5%D0%BC%D0%B0%D1%82%D0%B8%D0%BA%D0%B5&charset=utf-8
    • http://fastpic.ru/
    • http://www.liveinternet.ru/click
    • http://img1.liveinternet.ru/images/attach/c/5//4189/4189574_vin_kod_rasshifrovka.pdf
    • http://img0.liveinternet.ru/images/attach/c/5//4188/4188024_mayn_kraft_launcher_s_madam_na_oruzhie_skachat.pdf
    • http://img1.liveinternet.ru/images/attach/c/5//4185/4185329_klyuch_dlya_trackmania_2_canyon.pdf

Extracted artifacts 6

Files carved from inside the sample during analysis.

FilenameKindSourceSize
font_00_sfnt_off0002486f.bin
880e53e6f12106514012eaabb19a261b9f8ae03d695445fc59a5b9b5a1293281		 pdf-font-stream PDF embedded font (sfnt) at offset 0x2486F 3556 bytes
font_01_sfnt_off000255f2.bin
229b7e94f22aea1d83421b440641c755a38b4d234326da07a15cb59ee7391f24		 pdf-font-stream PDF embedded font (sfnt) at offset 0x255F2 14884 bytes
font_02_sfnt_off000283fe.bin
c33e6903d76079777c1b082a355654bfa5653b97afd40bc3e5344b34556d24bd		 pdf-font-stream PDF embedded font (sfnt) at offset 0x283FE 14468 bytes
font_03_sfnt_off0002aeb0.bin
86f0f4453cf0db96a5906aa3d6409fb149cce654a4c312954e425e43f784d3d6		 pdf-font-stream PDF embedded font (sfnt) at offset 0x2AEB0 6936 bytes
font_04_sfnt_off0002c2b6.bin
819f9cc5156bfe3dae03045446d677a19b5879270357875344f9514601da73e3		 pdf-font-stream PDF embedded font (sfnt) at offset 0x2C2B6 6084 bytes
font_05_sfnt_off0002d24b.bin
9364d8c42993f0db1eb41a63b15a48dd56cef5056a611ab8e91dd81183a5a95e		 pdf-font-stream PDF embedded font (sfnt) at offset 0x2D24B 3752 bytes

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