Malicious PDF — malware analysis report

Static analysis result for SHA-256 c6247dc9e481dfcb…

MALICIOUS

PDF

185.6 KB Created: 2015-07-24 14:33:24 +03:00 Authoring application: wkhtmltopdf 0.12.2.1 (via Qt 4.8.6)
MD5: 008a168d36eed258605c862cc63db880 SHA-1: 8f82a99fff4b6800b71a9d827f42bc5e40aad98f SHA-256: c6247dc9e481dfcb52c12af43f5e2875104254d2ca6e919b9ce3e92a156e2932
90 Risk Score

Malware Insights

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

The PDF file was flagged by a machine learning classifier and contains a link to a known malicious redirector. This indicates the document is likely a lure designed to redirect users to a malicious website for phishing or malware delivery. 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=%D0%A1%D0%BA%D0%B0%D1%87%D0%B0%D1%82%D1%8C+%D1%87%D0%B8%D1%82+%D0%BD%D0%B0+%D0%BC3+%D0%B2+%D1%82%D0%B0%D0%BD%D0%BA%D0%B0%D1%85+%D0%BE%D0%BD%D0%BB%D0%B0%D0%B9%D0%BD&charset=utf-8
    • http://fastpic.ru/
    • http://www.liveinternet.ru/click
    • http://img0.liveinternet.ru/images/attach/c/5//4192/4192225_skachat_skrillex_feat_damian_jr_gong_marley_make_it_bun_dem.pdf
    • http://img1.liveinternet.ru/images/attach/c/5//4185/4185379_rabochaya_programma_po_obzh_8_klass_smirnov_hrennikov_2013.pdf
    • http://img1.liveinternet.ru/images/attach/c/5//4185/4185702_skachat_dvd_dekoder_dlya_windows_7.pdf

Extracted artifacts 6

Files carved from inside the sample during analysis.

FilenameKindSourceSize
font_00_sfnt_off00024377.bin
880e53e6f12106514012eaabb19a261b9f8ae03d695445fc59a5b9b5a1293281		 pdf-font-stream PDF embedded font (sfnt) at offset 0x24377 3556 bytes
font_01_sfnt_off000250fa.bin
e56f808fd342ada2682d0d66b2d7bd22c17deb76b5b1c2a7bc6ca61a9d0933bd		 pdf-font-stream PDF embedded font (sfnt) at offset 0x250FA 14920 bytes
font_02_sfnt_off00027f61.bin
1dfdc1beb7484b9d088b9b774f50c00259743f00395e3eec8ada10cbb76f6f0a		 pdf-font-stream PDF embedded font (sfnt) at offset 0x27F61 14532 bytes
font_03_sfnt_off0002aa4a.bin
d6de028416d950179b09ee46b021aaa515737b2b86a95712ac6776b207380518		 pdf-font-stream PDF embedded font (sfnt) at offset 0x2AA4A 6492 bytes
font_04_sfnt_off0002bcc0.bin
819f9cc5156bfe3dae03045446d677a19b5879270357875344f9514601da73e3		 pdf-font-stream PDF embedded font (sfnt) at offset 0x2BCC0 6084 bytes
font_05_sfnt_off0002cc55.bin
9364d8c42993f0db1eb41a63b15a48dd56cef5056a611ab8e91dd81183a5a95e		 pdf-font-stream PDF embedded font (sfnt) at offset 0x2CC55 3752 bytes

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