Malicious PDF — malware analysis report

Static analysis result for SHA-256 1740f9ee38d27693…

MALICIOUS

PDF

183.9 KB Created: 2015-08-08 09:55:46 +03:00 Authoring application: wkhtmltopdf 0.12.2.1 (via Qt 4.8.6)
MD5: 52ca8da1f5d18767488994a61f047ac6 SHA-1: c1a06ce8fbdb739c6c7ac90444a2af7324e1447a SHA-256: 1740f9ee38d27693288235940391c1d75563149905c4f272858412303c6acc41
92 Risk Score

Malware Insights

MITRE ATT&CK
T1566.001 Spearphishing Attachment

The PDF contains a critical heuristic firing indicating a malicious redirector link. The embedded URL points to 'botcraftman.ru', which is flagged as malicious. While no scripts were extracted, the presence of a malicious link suggests an attempt to lure the user to a compromised site, likely 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=cm+14+%D0%B4%D0%BB%D1%8F+fifa+14+%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//4383/4383947_skachat_sverhestestvennoe_na_telefon_3_sezon.pdf
    • http://img1.liveinternet.ru/images/attach/c/6//4383/4383773_skachat_besplatno_dogovor_na_okazanie_transportnuyh_uslug.pdf
    • http://img0.liveinternet.ru/images/attach/c/6//4384/4384401_tekstovuye_kvestuy_onlayn.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_off00023bcb.bin
880e53e6f12106514012eaabb19a261b9f8ae03d695445fc59a5b9b5a1293281		 pdf-font-stream PDF embedded font (sfnt) at offset 0x23BCB 3556 bytes
font_01_sfnt_off0002494e.bin
a76e4550205c3812c3cb8070b8fcc8ad8caaba045d3df615a5a27e7e792820e4		 pdf-font-stream PDF embedded font (sfnt) at offset 0x2494E 14848 bytes
font_02_sfnt_off00027726.bin
e9703f7352711d4cd4b3a2a03ac880b7dc5065c85e17cc2506deef98beeec23b		 pdf-font-stream PDF embedded font (sfnt) at offset 0x27726 14944 bytes
font_03_sfnt_off0002a2bd.bin
0fb81c8836ee8e792ad407a6cf5410dc170f2b570af1d6b736e03d986d5b44d8		 pdf-font-stream PDF embedded font (sfnt) at offset 0x2A2BD 6636 bytes
font_04_sfnt_off0002b5b7.bin
819f9cc5156bfe3dae03045446d677a19b5879270357875344f9514601da73e3		 pdf-font-stream PDF embedded font (sfnt) at offset 0x2B5B7 6084 bytes
font_05_sfnt_off0002c54c.bin
9364d8c42993f0db1eb41a63b15a48dd56cef5056a611ab8e91dd81183a5a95e		 pdf-font-stream PDF embedded font (sfnt) at offset 0x2C54C 3752 bytes

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