Malicious PDF — malware analysis report

Static analysis result for SHA-256 2c5aa01b4b86e3a5…

MALICIOUS

PDF

184.7 KB Created: 2015-08-08 12:29:44 +03:00 Authoring application: wkhtmltopdf 0.12.2.1 (via Qt 4.8.6)
MD5: eb089d38525dee10cf56c452669cd470 SHA-1: f4de474b1301b7e469a5d1971d8bd6d941b508e5 SHA-256: 2c5aa01b4b86e3a5e7ae92c24641e711648b03440fea1878d2b4348e2fa2f6a3
92 Risk Score

Malware Insights

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

The PDF contains a link to a known malicious redirector infrastructure, indicating a likely phishing or malware distribution attempt. The ML classifier also flagged this PDF with high confidence. No scripts were extracted, and the document body was truncated, limiting further analysis of the specific lure.

Machine Learning

  • Nyx PDF Classifier malicious score 0.9982

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=crack+%D0%B4%D0%BB%D1%8F+3d+%D0%B8%D0%BD%D1%81%D1%82%D1%80%D1%83%D0%BA%D1%82%D0%BE%D1%80+227&charset=utf-8
    • http://fastpic.ru/
    • http://www.liveinternet.ru/click
    • http://img0.liveinternet.ru/images/attach/c/6//4388/4388665_kinoteatr_uyut_slavyansk_na_kubani_raspisanie_filmov.pdf
    • http://img1.liveinternet.ru/images/attach/c/6//4387/4387684_plohie_parni_kniga_2_podnimayas_ko_mne_skachat_besplatno.pdf
    • http://img1.liveinternet.ru/images/attach/c/6//4385/4385047_raspisanie_avtobusov_iz_naberezhnuyh_chelnov_v_izhevsk.pdf

Extracted artifacts 6

Files carved from inside the sample during analysis.

FilenameKindSourceSize
font_00_sfnt_off00023f78.bin
880e53e6f12106514012eaabb19a261b9f8ae03d695445fc59a5b9b5a1293281		 pdf-font-stream PDF embedded font (sfnt) at offset 0x23F78 3556 bytes
font_01_sfnt_off00024cfb.bin
88fd3c1ecf94ee02b29edc639bc9838d12bb0d8c260a70a077943cbf91aeb70a		 pdf-font-stream PDF embedded font (sfnt) at offset 0x24CFB 14344 bytes
font_02_sfnt_off000279c8.bin
153625f4b418c5dfc513d4265329e56168f7250042fdd42321d6c4de43e996b5		 pdf-font-stream PDF embedded font (sfnt) at offset 0x279C8 14728 bytes
font_03_sfnt_off0002a4b5.bin
29735dc7025087e168e3f94885bb0a307c8e6d85f794e0f527d94f3e139b2b8d		 pdf-font-stream PDF embedded font (sfnt) at offset 0x2A4B5 6900 bytes
font_04_sfnt_off0002b8cf.bin
819f9cc5156bfe3dae03045446d677a19b5879270357875344f9514601da73e3		 pdf-font-stream PDF embedded font (sfnt) at offset 0x2B8CF 6084 bytes
font_05_sfnt_off0002c864.bin
9364d8c42993f0db1eb41a63b15a48dd56cef5056a611ab8e91dd81183a5a95e		 pdf-font-stream PDF embedded font (sfnt) at offset 0x2C864 3752 bytes

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