Malicious PDF — malware analysis report

Static analysis result for SHA-256 17932c0b8e3853b4…

MALICIOUS

PDF

184.3 KB Created: 2015-07-24 13:32:41 +03:00 Authoring application: wkhtmltopdf 0.12.2.1 (via Qt 4.8.6)
MD5: 42f828e3b063e2b98d916f569ffc5ebe SHA-1: 705c54711be788027710d6ab9a88e31ba4919787 SHA-256: 17932c0b8e3853b416a46a507bfeb6a6b584853f69a2440953e42794e9f85cc0
92 Risk Score

Malware Insights

MITRE ATT&CK
T1566.001 Spearphishing Attachment

The PDF contains an embedded URL that is flagged as a malicious redirector. This indicates the document is designed to lure the user to a malicious site, likely for phishing or to download further malware. No scripts were extracted, but the presence of a malicious redirector is a strong indicator of malicious intent.

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%BB%D1%83%D1%87%D1%88%D0%B8%D0%B5+%D0%BF%D0%B5%D1%81%D0%BD%D0%B8+90-%D1%85+%D1%81%D0%BA%D0%B0%D1%87%D0%B0%D1%82%D1%8C+%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://img1.liveinternet.ru/images/attach/c/5//4187/4187127_skachat_gta_san_andreas_s_novuymi_mashinami_torrent.pdf
    • http://img1.liveinternet.ru/images/attach/c/5//4185/4185082_kak_vosstanovit_stranicu_v_kontakte_esli_zabuyl_parol_i_login.pdf
    • http://img0.liveinternet.ru/images/attach/c/5//4184/4184749_skachat_siemens_advantiq_x10_44_instrukciya.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_off00023d2f.bin
880e53e6f12106514012eaabb19a261b9f8ae03d695445fc59a5b9b5a1293281		 pdf-font-stream PDF embedded font (sfnt) at offset 0x23D2F 3556 bytes
font_01_sfnt_off00024ab2.bin
ef9cfca39ba26734037d932e034831607d86acd3238227f5dab17dbb93430399		 pdf-font-stream PDF embedded font (sfnt) at offset 0x24AB2 15032 bytes
font_02_sfnt_off00027914.bin
44b041060715740dc509216d3b77d581c88b332b735c10f011683571684dfb3d		 pdf-font-stream PDF embedded font (sfnt) at offset 0x27914 14588 bytes
font_03_sfnt_off0002a429.bin
0fef8b7f639e3bd857f3b2d4772f9644f6166ffb4ad74037e22830f7dbb284c0		 pdf-font-stream PDF embedded font (sfnt) at offset 0x2A429 6676 bytes
font_04_sfnt_off0002b752.bin
819f9cc5156bfe3dae03045446d677a19b5879270357875344f9514601da73e3		 pdf-font-stream PDF embedded font (sfnt) at offset 0x2B752 6084 bytes
font_05_sfnt_off0002c6e7.bin
9364d8c42993f0db1eb41a63b15a48dd56cef5056a611ab8e91dd81183a5a95e		 pdf-font-stream PDF embedded font (sfnt) at offset 0x2C6E7 3752 bytes

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