Malicious PDF — malware analysis report

Static analysis result for SHA-256 7015e441f57b2fd6…

MALICIOUS

PDF

187.6 KB Created: 2015-07-24 03:42:54 +03:00 Authoring application: wkhtmltopdf 0.12.2.1 (via Qt 4.8.6)
MD5: 357f38770670dfde392c0d7c42887e99 SHA-1: ea5b6f0cee25ca8441ef81ea09c33817c908fb96 SHA-256: 7015e441f57b2fd6de2dcf8a888da94697e3cca497cbe71d7c483f32643cfb5c
92 Risk Score

Malware Insights

MITRE ATT&CK
T1566.001 Spearphishing Attachment

The PDF file was flagged by a critical heuristic for linking to known malicious redirector infrastructure. The embedded URL, http://botcraftman.ru/..., is highly suspicious and likely serves as a lure to a phishing or malware distribution site. No scripts were extracted, but the presence of a malicious link strongly suggests an intent to redirect the user to a harmful destination.

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%B1%D0%BB%D0%B0%D0%BD%D0%BA+%D0%B3%D0%B5%D0%BD%D0%B5%D1%80%D0%B0%D0%BB%D1%8C%D0%BD%D0%BE%D0%B9+%D0%B4%D0%BE%D0%B2%D0%B5%D1%80%D0%B5%D0%BD%D0%BD%D0%BE%D1%81%D1%82%D0%B8+%D0%BD%D0%B0+%D0%B2%D1%81%D0%B5+%D0%BF%D0%BE%D0%BB%D0%BD%D0%BE%D0%BC%D0%BE%D1%87%D0%B8%D1%8F&charset=utf-8
    • http://fastpic.ru/
    • http://www.liveinternet.ru/click
    • http://img1.liveinternet.ru/images/attach/c/5//4185/4185513_skachat_maynkraft_0_8_1_na_kompyuter_cherez_torrent.pdf
    • http://img1.liveinternet.ru/images/attach/c/5//4183/4183249_proekt_po_fizicheskoy_kulture.pdf
    • http://img1.liveinternet.ru/images/attach/c/5//4187/4187989_vsya_shkolnaya_programma_po_matematike.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_off00024a82.bin
880e53e6f12106514012eaabb19a261b9f8ae03d695445fc59a5b9b5a1293281		 pdf-font-stream PDF embedded font (sfnt) at offset 0x24A82 3556 bytes
font_01_sfnt_off00025805.bin
0f8325a8cdab1e8d24e76827a1f698aa68f9c0582ec56ea7058555cb20e77926		 pdf-font-stream PDF embedded font (sfnt) at offset 0x25805 14728 bytes
font_02_sfnt_off00028601.bin
a9770cbb19a982a1ca245ae9dd57c2ebe78e8510dfe5e68aa43f25edc86204a3		 pdf-font-stream PDF embedded font (sfnt) at offset 0x28601 14468 bytes
font_03_sfnt_off0002b0b3.bin
ef8708086f645c44b8c02dd8992db4aa19c25a716f742d1d3f9fcf82f994bbdf		 pdf-font-stream PDF embedded font (sfnt) at offset 0x2B0B3 6908 bytes
font_04_sfnt_off0002c493.bin
819f9cc5156bfe3dae03045446d677a19b5879270357875344f9514601da73e3		 pdf-font-stream PDF embedded font (sfnt) at offset 0x2C493 6084 bytes
font_05_sfnt_off0002d428.bin
9364d8c42993f0db1eb41a63b15a48dd56cef5056a611ab8e91dd81183a5a95e		 pdf-font-stream PDF embedded font (sfnt) at offset 0x2D428 3752 bytes

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