Malicious PDF — malware analysis report

Static analysis result for SHA-256 63561a1b67f40aff…

MALICIOUS

PDF

185.4 KB Created: 2015-08-05 22:02:44 +03:00 Authoring application: wkhtmltopdf 0.12.2.1 (via Qt 4.8.6)
MD5: 84cb0fdd2f6d3dae23d4e44277a309b0 SHA-1: cad58a36abe73652c2af1fbb80c10fe189b596ae SHA-256: 63561a1b67f40affdacf9dbeb144f396edb522b787d676f0ecdd978b5701cf35
92 Risk Score

Malware Insights

MITRE ATT&CK
T1566.001 Spearphishing Attachment

The PDF file was flagged by a machine learning classifier and contains a direct link to a known malicious redirector. This indicates the document is designed to lure users to a harmful website, likely 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%B8%D0%B3%D1%80%D1%8B+%D0%BF%D0%BE+%D0%BB%D0%BE%D0%BA%D0%B0%D0%BB%D1%8C%D0%BD%D0%BE%D0%B9+%D1%81%D0%B5%D1%82%D0%B8+%D0%BD%D0%B0+%D0%BF%D1%80%D0%BE%D1%85%D0%BE%D0%B6%D0%B4%D0%B5%D0%BD%D0%B8%D0%B5&charset=utf-8
    • http://fastpic.ru/
    • http://www.liveinternet.ru/click
    • http://img0.liveinternet.ru/images/attach/c/6//4304/4304552_wpdbusenum_fs_drayver.pdf
    • http://img0.liveinternet.ru/images/attach/c/6//4308/4308294_skachat_paket_drayverov_dlya_netbuka_emachines_m355_besplatno.pdf
    • http://img0.liveinternet.ru/images/attach/c/6//4304/4304440_skachat_zmeyku_na_android.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_off00024119.bin
880e53e6f12106514012eaabb19a261b9f8ae03d695445fc59a5b9b5a1293281		 pdf-font-stream PDF embedded font (sfnt) at offset 0x24119 3556 bytes
font_01_sfnt_off00024e9c.bin
5ccaf6f568e8379551bd8a300b7f619538cd5c815076969856e14ef55540da16		 pdf-font-stream PDF embedded font (sfnt) at offset 0x24E9C 15268 bytes
font_02_sfnt_off00027db3.bin
025452afb5be3c847a34c6c843f5a2af627756a14d418d3ef06ce81a73e8da96		 pdf-font-stream PDF embedded font (sfnt) at offset 0x27DB3 14532 bytes
font_03_sfnt_off0002a8a4.bin
a8d35f108ee8299cda88200908e0b588a64734ff5e1607703893154fd5f3a174		 pdf-font-stream PDF embedded font (sfnt) at offset 0x2A8A4 6736 bytes
font_04_sfnt_off0002bbd0.bin
819f9cc5156bfe3dae03045446d677a19b5879270357875344f9514601da73e3		 pdf-font-stream PDF embedded font (sfnt) at offset 0x2BBD0 6084 bytes
font_05_sfnt_off0002cb65.bin
9364d8c42993f0db1eb41a63b15a48dd56cef5056a611ab8e91dd81183a5a95e		 pdf-font-stream PDF embedded font (sfnt) at offset 0x2CB65 3752 bytes

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