Malicious PDF — malware analysis report

Static analysis result for SHA-256 eee1b69726bd03bb…

MALICIOUS

PDF

182.8 KB Created: 2015-07-24 12:25:07 +03:00 Authoring application: wkhtmltopdf 0.12.2.1 (via Qt 4.8.6) First seen: 2021-09-14
MD5: 9287cb4fb93c40cede1132d4a5f52e5b SHA-1: cf8210516b45eae6675ad747ac5c133068256ea2 SHA-256: eee1b69726bd03bbf9d296d9eb3f5a0ea440e6390d733bd1737376ee41a85de5
92 Risk Score

Malware Insights

MITRE ATT&CK
T1566.001 Spearphishing Attachment

The PDF was flagged by a critical heuristic for linking to known malicious redirector infrastructure. The ML classifier also strongly indicated maliciousness. While no scripts were extracted, the presence of a malicious URL suggests an attempt to lure the user to a compromised site, likely for further exploitation or phishing.

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%BA%D0%BE%D0%B4%D1%8B+%D0%B2+cs+16&charset=utf-8 In PDF document text
    • http://fastpic.ru/In PDF document text
    • http://www.liveinternet.ru/clickIn PDF document text
    • http://img1.liveinternet.ru/images/attach/c/5//4185/4185429_kak_razblokirovat_telefon_esli_zabuyl_zaschitnuyy_kod.pdfIn PDF document text
    • http://img0.liveinternet.ru/images/attach/c/5//4192/4192260_tugan_kongye_tatarcha_scenariy.pdfIn PDF document text
    • http://img0.liveinternet.ru/images/attach/c/5//4190/4190109_skachat_euro_truck_simulator_2_19241s_s_modami_cherez_torrent.pdfIn PDF document text
    • http://www.microsoft.com/typography/fonts/YouIn PDF document text
    • http://www.microsoft.com/typography/fonts/In PDF document text

Extracted artifacts 6

Files carved from inside the sample during analysis.

FilenameKindSourceSize
stream_048_off0002a050.bin decompressed-pdf-stream PDF FlateDecoded stream at offset 0x2A050 6112 bytes
SHA-256: 5d6ee534a3e3403dbdced3f35f06e0a394dab39b6488dac18d88f302fdcc6420
font_00_sfnt_off00023a19.bin pdf-font-stream PDF embedded font (sfnt) at offset 0x23A19 3556 bytes
SHA-256: 880e53e6f12106514012eaabb19a261b9f8ae03d695445fc59a5b9b5a1293281
font_01_sfnt_off0002479c.bin pdf-font-stream PDF embedded font (sfnt) at offset 0x2479C 14852 bytes
SHA-256: 9ccae31faba68401610095e1090bc5e55a9ef3cc243297a55b63b73bb797cab8
font_02_sfnt_off0002759f.bin pdf-font-stream PDF embedded font (sfnt) at offset 0x2759F 14468 bytes
SHA-256: 5b857f19f992fde3806e012bf4cde9a9ba7148b5f08756ea4485fc8a2a43a8ba
font_04_sfnt_off0002b15d.bin pdf-font-stream PDF embedded font (sfnt) at offset 0x2B15D 6084 bytes
SHA-256: 819f9cc5156bfe3dae03045446d677a19b5879270357875344f9514601da73e3
font_05_sfnt_off0002c0f2.bin pdf-font-stream PDF embedded font (sfnt) at offset 0x2C0F2 3752 bytes
SHA-256: 9364d8c42993f0db1eb41a63b15a48dd56cef5056a611ab8e91dd81183a5a95e

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