Malicious PDF — malware analysis report

Static analysis result for SHA-256 860082673dc6c3cd…

MALICIOUS

PDF

183.0 KB Created: 2015-08-05 13:35:58 +03:00 Authoring application: wkhtmltopdf 0.12.2.1 (via Qt 4.8.6)
MD5: addea74a9575671ec0d82718637bc5d9 SHA-1: 0f099aa06792d19d4cfd7959b1e69c625e6bb380 SHA-256: 860082673dc6c3cd22739b3678c13457e6321972a307d45968a6a6558738f0b6
92 Risk Score

Malware Insights

MITRE ATT&CK
T1566.001 Spearphishing Attachment

The PDF contains an embedded URL that points to known malicious redirector infrastructure. This indicates the document is designed to lure the user to a harmful website. The ML classifier also flagged this PDF with high confidence.

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%94%D1%80%D0%B0%D0%B9%D0%B2%D0%B5%D1%80+%D0%B0%D1%8D%D1%80%D0%BE+%D1%81%D0%BA%D0%B0%D1%87%D0%B0%D1%82%D1%8C&charset=utf-8
    • http://fastpic.ru/
    • http://www.liveinternet.ru/click
    • http://img0.liveinternet.ru/images/attach/c/6//4304/4304571_nakrutka_dlya_tyuryagi_skachat_besplatno_bez_sms.pdf
    • http://img0.liveinternet.ru/images/attach/c/6//4304/4304485_porno_onlayn_dlya_androida.pdf
    • http://img0.liveinternet.ru/images/attach/c/6//4304/4304491_dessar_mp3_skachat_besplatno_albom.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_off00023ad8.bin
880e53e6f12106514012eaabb19a261b9f8ae03d695445fc59a5b9b5a1293281		 pdf-font-stream PDF embedded font (sfnt) at offset 0x23AD8 3556 bytes
font_01_sfnt_off0002485b.bin
2fa05ff59437cd79d932184fc28343eafd386b4aaed360ba2f197ea815e77fab		 pdf-font-stream PDF embedded font (sfnt) at offset 0x2485B 14384 bytes
font_02_sfnt_off00027531.bin
2faf238a7982558102f008fa2e03cbd823800727545a7f10afda32250c8cbf2a		 pdf-font-stream PDF embedded font (sfnt) at offset 0x27531 14468 bytes
font_03_sfnt_off00029fe4.bin
b86fb88dd022c6969cbcc0affb4a8e93efdb119e44a3ffc8659ab2e6413aa78b		 pdf-font-stream PDF embedded font (sfnt) at offset 0x29FE4 6416 bytes
font_04_sfnt_off0002b21f.bin
819f9cc5156bfe3dae03045446d677a19b5879270357875344f9514601da73e3		 pdf-font-stream PDF embedded font (sfnt) at offset 0x2B21F 6084 bytes
font_05_sfnt_off0002c1b4.bin
9364d8c42993f0db1eb41a63b15a48dd56cef5056a611ab8e91dd81183a5a95e		 pdf-font-stream PDF embedded font (sfnt) at offset 0x2C1B4 3752 bytes

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