Malicious PDF — malware analysis report

Static analysis result for SHA-256 0f1c0e9a355955f1…

MALICIOUS

PDF

184.8 KB Created: 2015-07-24 13:10:33 +03:00 Authoring application: wkhtmltopdf 0.12.2.1 (via Qt 4.8.6)
MD5: 045679fd71c0ecc9218d81d2f0a4fac5 SHA-1: 1b3607eaedc8617e724a04f9d904c7d3cd73cafb SHA-256: 0f1c0e9a355955f114fcf1b37cc0736b65687448107ee911b8700baf992d1480
92 Risk Score

Malware Insights

MITRE ATT&CK
T1566.001 Spearphishing Attachment

The PDF contains a link to known malicious infrastructure, indicating an attempt to redirect the user to a harmful site. The ML classifier also flagged this PDF with high confidence. No scripts were extracted, but the embedded URL is the primary 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%B4%D0%B5%D1%82%D1%81%D0%BA%D0%B8%D0%B5+%D0%BF%D0%B5%D1%81%D0%BD%D0%B8+%D0%BE+%D1%86%D0%B2%D0%B5%D1%82%D0%B0%D1%85+%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&charset=utf-8
    • http://fastpic.ru/
    • http://www.liveinternet.ru/click
    • http://img1.liveinternet.ru/images/attach/c/5//4185/4185011_rabuynya_strasti_film_smotret.pdf
    • http://img1.liveinternet.ru/images/attach/c/5//4183/4183246_model_idef0_primer.pdf
    • http://img0.liveinternet.ru/images/attach/c/5//4192/4192183_skachat_filmuy_besplatno_velikolepnuyy_vek_3_sezon.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_off0002417c.bin
880e53e6f12106514012eaabb19a261b9f8ae03d695445fc59a5b9b5a1293281		 pdf-font-stream PDF embedded font (sfnt) at offset 0x2417C 3556 bytes
font_01_sfnt_off00024eff.bin
068c6d6b0b112ef3ae5a1cb0d9e9c308587511f3d34639514a25a129b85c0078		 pdf-font-stream PDF embedded font (sfnt) at offset 0x24EFF 14136 bytes
font_02_sfnt_off00027bb0.bin
858de1ea0edee6589051d6c5805376be02fce034b392ea3476abe13984ffa707		 pdf-font-stream PDF embedded font (sfnt) at offset 0x27BB0 14532 bytes
font_03_sfnt_off0002a69d.bin
23c1bf6e03e991428c72d966372f36fb65f5f5cef80b10ab2e07da6ac9bcfc6f		 pdf-font-stream PDF embedded font (sfnt) at offset 0x2A69D 6640 bytes
font_04_sfnt_off0002b996.bin
819f9cc5156bfe3dae03045446d677a19b5879270357875344f9514601da73e3		 pdf-font-stream PDF embedded font (sfnt) at offset 0x2B996 6084 bytes
font_05_sfnt_off0002c92b.bin
9364d8c42993f0db1eb41a63b15a48dd56cef5056a611ab8e91dd81183a5a95e		 pdf-font-stream PDF embedded font (sfnt) at offset 0x2C92B 3752 bytes

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