Malicious PDF — malware analysis report

Static analysis result for SHA-256 62d741f98ccfce6c…

MALICIOUS

PDF

183.6 KB Created: 2015-08-08 10:00:05 +03:00 Authoring application: wkhtmltopdf 0.12.2.1 (via Qt 4.8.6)
MD5: d9f0d0eac1690121b458e45638c0428c SHA-1: 1e2b062879637dc04538e8b99cdce41220cb4006 SHA-256: 62d741f98ccfce6cf491208279065dc875df00c56b85efcd22c870182cf4d57c
92 Risk Score

Malware Insights

MITRE ATT&CK
T1566.001 Spearphishing Attachment

The PDF contains an embedded link that points to a known malicious redirector. The ML classifier also flagged this PDF with high confidence. The embedded link is likely intended to lure the user to a malicious site, potentially for further exploitation or credential harvesting.

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%B1%D0%BB%D0%B0%D0%BD%D0%BA+%D1%83%D0%B7%D0%B8+%D0%BF%D0%BE%D1%87%D0%B5%D0%BA+%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://img1.liveinternet.ru/images/attach/c/6//4383/4383714_skachat_klip_kiesza_hideaway_torrent.pdf
    • http://img1.liveinternet.ru/images/attach/c/6//4383/4383858_skachat_besplatno_programmu_dlya_sozdaniya_video.pdf
    • http://img0.liveinternet.ru/images/attach/c/6//4384/4384131_instrukciya_avtomagnitoluy_nd3tw56.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_off00023cbb.bin
880e53e6f12106514012eaabb19a261b9f8ae03d695445fc59a5b9b5a1293281		 pdf-font-stream PDF embedded font (sfnt) at offset 0x23CBB 3556 bytes
font_01_sfnt_off00024a3e.bin
0395f1a5b35f2a8c125a171103105e61778004e5fddc87117e16ed7acc440fad		 pdf-font-stream PDF embedded font (sfnt) at offset 0x24A3E 14676 bytes
font_02_sfnt_off000277dd.bin
a9770cbb19a982a1ca245ae9dd57c2ebe78e8510dfe5e68aa43f25edc86204a3		 pdf-font-stream PDF embedded font (sfnt) at offset 0x277DD 14468 bytes
font_03_sfnt_off0002a28f.bin
1285e169ab20c1c729e7bd33df04d63ec1e5bffccd2626e83ed970e209f11fc1		 pdf-font-stream PDF embedded font (sfnt) at offset 0x2A28F 6424 bytes
font_04_sfnt_off0002b4cc.bin
819f9cc5156bfe3dae03045446d677a19b5879270357875344f9514601da73e3		 pdf-font-stream PDF embedded font (sfnt) at offset 0x2B4CC 6084 bytes
font_05_sfnt_off0002c461.bin
9364d8c42993f0db1eb41a63b15a48dd56cef5056a611ab8e91dd81183a5a95e		 pdf-font-stream PDF embedded font (sfnt) at offset 0x2C461 3752 bytes

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