Malicious PDF — malware analysis report

Static analysis result for SHA-256 058b196f4ba32ddf…

MALICIOUS

PDF

187.7 KB Created: 2015-07-25 06:24:45 +03:00 Authoring application: wkhtmltopdf 0.12.2.1 (via Qt 4.8.6)
MD5: 94026863dd42d5e890e06f7663c2d094 SHA-1: a8adb88c272ac2a7b9bb11f6c0f1f3c4f5a90edd SHA-256: 058b196f4ba32ddfd42e1caf36655dd76a60535bdd542dcc12869dc42639e502
92 Risk Score

Malware Insights

MITRE ATT&CK
T1566.001 Spearphishing Attachment

The file is a PDF document that contains an embedded URL identified as a known malicious redirector. This suggests the document is designed to lure users to a malicious website, likely for phishing or malware distribution. No scripts were extracted, but the presence of a malicious link is a strong indicator of malicious intent.

Machine Learning

  • Nyx PDF Classifier malicious score 0.9980

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=%D1%84%D0%B8%D0%BB%D1%8C%D0%BC%D1%8B+%D0%B4%D0%BB%D1%8F+%D0%BD%D0%B0%D0%B2%D0%B8%D0%B3%D0%B0%D1%82%D0%BE%D1%80%D0%BE%D0%B2+480x272+%D1%81%D0%BA%D0%B0%D1%87%D0%B0%D1%82%D1%8C+%D0%B1%D0%B5%D1%81%D0%BF%D0%BB%D0%B0%D1%82%D0%BD%D0%BE+%D1%87%D0%B5%D1%80%D0%B5%D0%B7+%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//4191/4191460_skachat_windows_8_32_rus_torrent.pdf
    • http://img1.liveinternet.ru/images/attach/c/5//4195/4195986_skachat_maynkraft_095_na_aypad.pdf
    • http://img1.liveinternet.ru/images/attach/c/5//4189/4189913_skachat_chituy_dlya_tanki_onlayn.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_off0002476a.bin
880e53e6f12106514012eaabb19a261b9f8ae03d695445fc59a5b9b5a1293281		 pdf-font-stream PDF embedded font (sfnt) at offset 0x2476A 3556 bytes
font_01_sfnt_off000254ed.bin
266a2f824276de481f28fb8e3687fdb7bb27c3e9cb69a8647030e7b2c2080ad4		 pdf-font-stream PDF embedded font (sfnt) at offset 0x254ED 14492 bytes
font_02_sfnt_off00028278.bin
2e19ba73a63eaf9134aeea70c1513534a0fc0c7ab7e689b397069a4dde6df00e		 pdf-font-stream PDF embedded font (sfnt) at offset 0x28278 14580 bytes
font_03_sfnt_off0002ad99.bin
0996cf22f125f0374ed71bd463e3eb2c113689f17b8b3dcf66fd86b442706456		 pdf-font-stream PDF embedded font (sfnt) at offset 0x2AD99 7836 bytes
font_04_sfnt_off0002c4d3.bin
819f9cc5156bfe3dae03045446d677a19b5879270357875344f9514601da73e3		 pdf-font-stream PDF embedded font (sfnt) at offset 0x2C4D3 6084 bytes
font_05_sfnt_off0002d468.bin
9364d8c42993f0db1eb41a63b15a48dd56cef5056a611ab8e91dd81183a5a95e		 pdf-font-stream PDF embedded font (sfnt) at offset 0x2D468 3752 bytes

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