Malicious PDF — malware analysis report

Static analysis result for SHA-256 9dccf0dc74316a53…

MALICIOUS

PDF

187.0 KB Created: 2015-07-23 21:27:38 +03:00 Authoring application: wkhtmltopdf 0.12.2.1 (via Qt 4.8.6)
MD5: f1c8d9532529f5186f62756c67ac08d9 SHA-1: 6d783489eb999709701d6e7f47fea550810e86d2 SHA-256: 9dccf0dc74316a5369a7413a1e1ae97ecc5fc070439f78c77728fd5a1f9a83e0
90 Risk Score

Malware Insights

MITRE ATT&CK
T1566.002 Spearphishing Attachment T1059.001 PowerShell

The PDF file contains a link to a known malicious redirector, indicating an attempt to direct the user to a harmful site. The ML classifier also flagged this PDF with high confidence. No scripts were extracted, and the document body was not sufficiently readable to determine a specific lure.

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%9A%D0%B0%D1%80%D0%B1%D1%8E%D1%80%D0%B0%D1%82%D0%BE%D1%80+%D0%BA-151%D0%B4+%D1%81%D1%85%D0%B5%D0%BC%D0%B0+%D0%BF%D0%BE%D0%B4%D0%BA%D0%BB%D1%8E%D1%87%D0%B5%D0%BD%D0%B8%D0%B5+%D1%88%D0%BB%D0%B0%D0%BD%D0%B3%D0%BE%D0%B2&charset=utf-8
    • http://fastpic.ru/
    • http://www.liveinternet.ru/click
    • http://img0.liveinternet.ru/images/attach/c/5//4184/4184465_testovuye_zadaniya_po_russkomu_yazuyku_4_klass.pdf
    • http://img0.liveinternet.ru/images/attach/c/5//4184/4184670_yubiley_60_let_zhenschine_prikolnuyy_scenariy.pdf
    • http://img0.liveinternet.ru/images/attach/c/5//4184/4184890_smotret_multik_maynkraft_priklyucheniya_nuba_vse_serii.pdf

Extracted artifacts 6

Files carved from inside the sample during analysis.

FilenameKindSourceSize
font_00_sfnt_off0002455e.bin
880e53e6f12106514012eaabb19a261b9f8ae03d695445fc59a5b9b5a1293281		 pdf-font-stream PDF embedded font (sfnt) at offset 0x2455E 3556 bytes
font_01_sfnt_off000252e1.bin
1f06a3a5219ebd3af183db42e31235e838b461e8cf07901c8490b5bd4870e192		 pdf-font-stream PDF embedded font (sfnt) at offset 0x252E1 15056 bytes
font_02_sfnt_off00028173.bin
d8803c9257deaa238bd6830c9cd11fc3ecf37935650cdafbc41080959b6441ab		 pdf-font-stream PDF embedded font (sfnt) at offset 0x28173 14764 bytes
font_03_sfnt_off0002ad06.bin
2d4aac6650ebab50c9b0e8a7f677e2a22357876dfcac6bb3fabf3db9314f53ab		 pdf-font-stream PDF embedded font (sfnt) at offset 0x2AD06 7232 bytes
font_04_sfnt_off0002c21a.bin
819f9cc5156bfe3dae03045446d677a19b5879270357875344f9514601da73e3		 pdf-font-stream PDF embedded font (sfnt) at offset 0x2C21A 6084 bytes
font_05_sfnt_off0002d1af.bin
9364d8c42993f0db1eb41a63b15a48dd56cef5056a611ab8e91dd81183a5a95e		 pdf-font-stream PDF embedded font (sfnt) at offset 0x2D1AF 3752 bytes

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