Malicious PDF — malware analysis report

Static analysis result for SHA-256 189dff297a8779f3…

MALICIOUS

PDF

184.6 KB Created: 2015-07-23 21:18:37 +03:00 Authoring application: wkhtmltopdf 0.12.2.1 (via Qt 4.8.6)
MD5: ec5d8e9de4df3d763ab325e9996c8d41 SHA-1: e9c83f4ada6d7493cb8aca609088ca1aef372e93 SHA-256: 189dff297a8779f3ef54184ee863593c840d7cb464e1cfcb847f97f8644998b7
152 Risk Score

Malware Insights

MITRE ATT&CK
T1566.001 Spearphishing Attachment

The PDF file was flagged by multiple heuristics, including a critical alert for a malicious redirector link and a high ML score. The embedded URL points to a suspicious domain, likely intended to lead the user to malicious content or a phishing site. No scripts were extracted, but the presence of a malicious link indicates an attempt to lure the user to a compromised resource.

Machine Learning

  • Nyx PDF Classifier malicious score 0.9982

Heuristics 3

  • 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.
  • ClamAV: Pdf.Dropper.Agent-7493691-0 critical CLAMAV_DETECTION
    ClamAV detected this file as malware: Pdf.Dropper.Agent-7493691-0
  • 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+%D1%81%D0%B1%D0%BE%D1%80%D0%BD%D0%B8%D0%BA+%D0%BA%D0%B0%D0%B1%D1%80%D0%B8%D0%BE%D0%BB%D0%B5%D1%82+%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://img0.liveinternet.ru/images/attach/c/5//4184/4184409_programma_vremya_segodnyashniy_vuypusk_21_00_smotret_onlayn.pdf
    • http://img0.liveinternet.ru/images/attach/c/5//4184/4184475_ppr_na_yelektromontazhnuye_rabotuy_skachat_besplatno.pdf
    • http://img0.liveinternet.ru/images/attach/c/5//4184/4184489_semago_diagnosticheskiy_albom_skachat_besplatno.pdf
    • http://www.microsoft.com/typography/fonts/
    • http://www.microsoft.com/typography/fonts/You

Extracted artifacts 6

Files carved from inside the sample during analysis.

FilenameKindSourceSize
font_00_sfnt_off00023ef4.bin
880e53e6f12106514012eaabb19a261b9f8ae03d695445fc59a5b9b5a1293281		 pdf-font-stream PDF embedded font (sfnt) at offset 0x23EF4 3556 bytes
font_01_sfnt_off00024c77.bin
d7de29d015f982f1699fb1342647636ad9f1acd3c9be7ac302e4cb1e63bdd898		 pdf-font-stream PDF embedded font (sfnt) at offset 0x24C77 14800 bytes
font_02_sfnt_off00027afd.bin
c33e6903d76079777c1b082a355654bfa5653b97afd40bc3e5344b34556d24bd		 pdf-font-stream PDF embedded font (sfnt) at offset 0x27AFD 14468 bytes
font_03_sfnt_off0002a5af.bin
7784ba9306239ebdce516aa27bb38ab0addf28ac6bd7d546822e0c2a0d568748		 pdf-font-stream PDF embedded font (sfnt) at offset 0x2A5AF 6580 bytes
font_04_sfnt_off0002b879.bin
819f9cc5156bfe3dae03045446d677a19b5879270357875344f9514601da73e3		 pdf-font-stream PDF embedded font (sfnt) at offset 0x2B879 6084 bytes
font_05_sfnt_off0002c80e.bin
9364d8c42993f0db1eb41a63b15a48dd56cef5056a611ab8e91dd81183a5a95e		 pdf-font-stream PDF embedded font (sfnt) at offset 0x2C80E 3752 bytes

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