Malicious PDF — malware analysis report

Static analysis result for SHA-256 68d7a29413b6a377…

MALICIOUS

PDF

186.1 KB Created: 2015-08-08 09:42:49 +03:00 Authoring application: wkhtmltopdf 0.12.2.1 (via Qt 4.8.6)
MD5: 7dca1317478b4c4217a70895c0a81bec SHA-1: a9b123581cdca9e790b7f984c8f89bfa9f72005f SHA-256: 68d7a29413b6a377621bee1572ce33a2e2609d66634a047bf10f373e26e68e86
92 Risk Score

Malware Insights

MITRE ATT&CK
T1566.001 Spearphishing Attachment

The PDF document was flagged by a machine learning classifier and contains a link to a known malicious redirector. This indicates an attempt to lure the user to a malicious site, likely for further exploitation or credential harvesting. No scripts were extracted, but the presence of a malicious URL is a strong 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=road+rash+jailbreak+%D1%81%D0%BA%D0%B0%D1%87%D0%B0%D1%82%D1%8C+%D1%82%D0%BE%D1%80%D1%80%D0%B5%D0%BD%D1%82&charset=utf-8
    • http://fastpic.ru/
    • http://www.liveinternet.ru/click
    • http://img1.liveinternet.ru/images/attach/c/6//4383/4383955_skachat_programmu_na_dengi_tdp4.pdf
    • http://img0.liveinternet.ru/images/attach/c/6//4384/4384064_windows_81_skachat.pdf
    • http://img1.liveinternet.ru/images/attach/c/6//4383/4383961_pourochnuye_uroki_po_risovaniyu_v_5_6_klassah.pdf
    • http://www.microsoft.com/typography/fonts/You
    • http://www.microsoft.com/typography/fonts/

Extracted artifacts 6

Files carved from inside the sample during analysis.

FilenameKindSourceSize
stream_048_off0002a96f.bin
e9cc08f8eb3bfa70c1b605f4df0569c4a7bbfc246e2cc64babad00a0d0693c36		 decompressed-pdf-stream PDF FlateDecoded stream at offset 0x2A96F 7316 bytes
font_00_sfnt_off00023fc4.bin
880e53e6f12106514012eaabb19a261b9f8ae03d695445fc59a5b9b5a1293281		 pdf-font-stream PDF embedded font (sfnt) at offset 0x23FC4 3556 bytes
font_01_sfnt_off00024d47.bin
9792ce589b3e7a753df5f82e07bc36d8644f32c0514400ea40fd87af5d362b0e		 pdf-font-stream PDF embedded font (sfnt) at offset 0x24D47 15652 bytes
font_02_sfnt_off00027de5.bin
51e0f5ef0b8a0ddbe04558e99f8c0188c55b0e4beadf673c58ca14b43303c174		 pdf-font-stream PDF embedded font (sfnt) at offset 0x27DE5 14792 bytes
font_04_sfnt_off0002beae.bin
819f9cc5156bfe3dae03045446d677a19b5879270357875344f9514601da73e3		 pdf-font-stream PDF embedded font (sfnt) at offset 0x2BEAE 6084 bytes
font_05_sfnt_off0002ce43.bin
9364d8c42993f0db1eb41a63b15a48dd56cef5056a611ab8e91dd81183a5a95e		 pdf-font-stream PDF embedded font (sfnt) at offset 0x2CE43 3752 bytes

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