Malicious PDF — malware analysis report

Static analysis result for SHA-256 df00dd4eae4688da…

MALICIOUS

PDF

184.8 KB Created: 2015-08-08 11:52:06 +03:00 Authoring application: wkhtmltopdf 0.12.2.1 (via Qt 4.8.6)
MD5: f479ca9a121e11be285b885441f68d4b SHA-1: 12ac011fde2027a02235cf50f8d08b0ecb8632e0 SHA-256: df00dd4eae4688da6a6d6e7470b4a5f5e7f1f15d3fb0ef284c186119a41b66d9
90 Risk Score

Malware Insights

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

The PDF file was flagged by a critical heuristic for linking to known malicious redirector infrastructure. The primary malicious URL identified is http://botcraftman.ru/. The ML classifier also assigned a high probability of maliciousness. No scripts were extracted from this sample, and the document body was truncated and uninformative.

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=wotlk+335a+%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://img0.liveinternet.ru/images/attach/c/6//4386/4386157_gdz_po_matematike_5_klass_dorofeeva_sharuygina_otvetuy_2015.pdf
    • http://img0.liveinternet.ru/images/attach/c/6//4384/4384302_albom_hyu_lori_skachat.pdf
    • http://img1.liveinternet.ru/images/attach/c/6//4387/4387470_sb_potolok_programma_skachat.pdf

Extracted artifacts 6

Files carved from inside the sample during analysis.

FilenameKindSourceSize
font_00_sfnt_off00023f29.bin
880e53e6f12106514012eaabb19a261b9f8ae03d695445fc59a5b9b5a1293281		 pdf-font-stream PDF embedded font (sfnt) at offset 0x23F29 3556 bytes
font_01_sfnt_off00024cac.bin
dc6f1e5277041d3b8efaf7523562a0b4b558af481f10b03ebe42eae4ac28cb83		 pdf-font-stream PDF embedded font (sfnt) at offset 0x24CAC 14624 bytes
font_02_sfnt_off00027a52.bin
22e314ac4bb17ba94b9f8590d332f3951866d61a829df17539adab45b8f4d768		 pdf-font-stream PDF embedded font (sfnt) at offset 0x27A52 14756 bytes
font_03_sfnt_off0002a5e6.bin
b0579035d1ef9165169c5717622cedf666a75c38447cacfee63f3fb7d745f698		 pdf-font-stream PDF embedded font (sfnt) at offset 0x2A5E6 6780 bytes
font_04_sfnt_off0002b980.bin
819f9cc5156bfe3dae03045446d677a19b5879270357875344f9514601da73e3		 pdf-font-stream PDF embedded font (sfnt) at offset 0x2B980 6084 bytes
font_05_sfnt_off0002c915.bin
9364d8c42993f0db1eb41a63b15a48dd56cef5056a611ab8e91dd81183a5a95e		 pdf-font-stream PDF embedded font (sfnt) at offset 0x2C915 3752 bytes

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