Malicious PDF — malware analysis report

Static analysis result for SHA-256 6e9706d5652ed143…

MALICIOUS

PDF

184.7 KB Created: 2015-07-24 00:48:08 +03:00 Authoring application: wkhtmltopdf 0.12.2.1 (via Qt 4.8.6)
MD5: ff7c464af7b2f1d77856bb6725ad3a3d SHA-1: 0c7b96f7c8b46e2e4d2abbe3e5a40fd2aee67eac SHA-256: 6e9706d5652ed14343995b8b0f5f4a23f7daf0ffd203f5d98046b4a59b033d3e
92 Risk Score

Malware Insights

MITRE ATT&CK
T1566.001 Spearphishing Attachment

The PDF file was flagged as malicious by an ML classifier and contains a link to a known malicious redirector. The embedded URL, http://botcraftcraftman.ru/, is likely used to direct users to a malicious site for phishing or malware distribution. No scripts were extracted, but the presence of a malicious link suggests an attempt to lure the user to a harmful resource.

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%A1%D0%BA%D0%B0%D1%87%D0%B0%D1%82%D1%8C+terraria+123+%D1%80%D1%83%D1%81%D1%81%D0%BA%D0%B0%D1%8F+%D0%B2%D0%B5%D1%80%D1%81%D0%B8%D1%8F&charset=utf-8
    • http://fastpic.ru/
    • http://www.liveinternet.ru/click
    • http://img1.liveinternet.ru/images/attach/c/5//4185/4185259_skachat_igru_sonik_adventure_2_cherez_torrent.pdf
    • http://img1.liveinternet.ru/images/attach/c/5//4185/4185264_skachat_demo_versiyu_medok_besplatno.pdf
    • http://img0.liveinternet.ru/images/attach/c/5//4186/4186614_skachat_lenovo_launcher.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_off00023f7a.bin
880e53e6f12106514012eaabb19a261b9f8ae03d695445fc59a5b9b5a1293281		 pdf-font-stream PDF embedded font (sfnt) at offset 0x23F7A 3556 bytes
font_01_sfnt_off00024cfd.bin
e50dcd8faf3c8d14ef137b4a73789e054f534ecf96399d2e4b2f3a03ef9a2d6f		 pdf-font-stream PDF embedded font (sfnt) at offset 0x24CFD 14344 bytes
font_02_sfnt_off0002794f.bin
a3e01be494f8221368db0415d1901514812d1358e3cd779cdfc27c3584db2d89		 pdf-font-stream PDF embedded font (sfnt) at offset 0x2794F 14576 bytes
font_03_sfnt_off0002a457.bin
1915cd7da8a00f79823713bbd4587a484b0859f87824348b864d09b165279243		 pdf-font-stream PDF embedded font (sfnt) at offset 0x2A457 7108 bytes
font_04_sfnt_off0002b912.bin
819f9cc5156bfe3dae03045446d677a19b5879270357875344f9514601da73e3		 pdf-font-stream PDF embedded font (sfnt) at offset 0x2B912 6084 bytes
font_05_sfnt_off0002c8a7.bin
9364d8c42993f0db1eb41a63b15a48dd56cef5056a611ab8e91dd81183a5a95e		 pdf-font-stream PDF embedded font (sfnt) at offset 0x2C8A7 3752 bytes

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