Malicious PDF — malware analysis report

Static analysis result for SHA-256 7fdc3bee2bb82987…

MALICIOUS

PDF

185.6 KB Created: 2015-07-24 03:45:28 +03:00 Authoring application: wkhtmltopdf 0.12.2.1 (via Qt 4.8.6)
MD5: 17122ae739b6823f99b4cb555d20776e SHA-1: 2e0e65414a28d7263c0dd96688cac2e0247873a2 SHA-256: 7fdc3bee2bb8298798a45b28d17511d926da4ed5661c93ede267f44d365ea69b
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 embedded URL, http://botcraftman.ru/..., is identified as a malicious redirector. This suggests the document is designed to lure users to a potentially harmful website. No scripts were extracted, and the document body was truncated, limiting further analysis of the 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%BF%D1%80%D0%BE%D0%B3%D1%80%D0%B0%D0%BC%D0%BC%D0%B0+%D1%83%D1%87%D0%B5%D1%82%D0%B0+%D0%BF%D1%83%D1%82%D0%B5%D0%B2%D1%8B%D1%85+%D0%BB%D0%B8%D1%81%D1%82%D0%BE%D0%B2+%D0%B1%D0%B5%D1%81%D0%BF%D0%BB%D0%B0%D1%82%D0%BD%D0%BE&charset=utf-8
    • http://fastpic.ru/
    • http://www.liveinternet.ru/click
    • http://img1.liveinternet.ru/images/attach/c/5//4185/4185186_raspisanie_prigorodnuyh_yelektrichek_krasnoyarsk.pdf
    • http://img0.liveinternet.ru/images/attach/c/5//4186/4186466_explay_surfer_732_3g_proshivka.pdf
    • http://img1.liveinternet.ru/images/attach/c/5//4187/4187836_zayavlenie_na_perevod_mt103_vtb_24.pdf

Extracted artifacts 6

Files carved from inside the sample during analysis.

FilenameKindSourceSize
font_00_sfnt_off00024346.bin
880e53e6f12106514012eaabb19a261b9f8ae03d695445fc59a5b9b5a1293281		 pdf-font-stream PDF embedded font (sfnt) at offset 0x24346 3556 bytes
font_01_sfnt_off000250c9.bin
002bcb5494fc7e5f0d7170b511e32897f2b15780a907dddc61d3c2ae9dcca73c		 pdf-font-stream PDF embedded font (sfnt) at offset 0x250C9 14680 bytes
font_02_sfnt_off00027e64.bin
a6626c0bd3595dc776735a93968cf26fa9368d0e017313712711ccf7ec06347e		 pdf-font-stream PDF embedded font (sfnt) at offset 0x27E64 14532 bytes
font_03_sfnt_off0002a954.bin
e4cc8985c0a888f57cdc3c8d023207ab1340fe2a6216d399df27337f204b1e63		 pdf-font-stream PDF embedded font (sfnt) at offset 0x2A954 6748 bytes
font_04_sfnt_off0002bcc7.bin
819f9cc5156bfe3dae03045446d677a19b5879270357875344f9514601da73e3		 pdf-font-stream PDF embedded font (sfnt) at offset 0x2BCC7 6084 bytes
font_05_sfnt_off0002cc5c.bin
9364d8c42993f0db1eb41a63b15a48dd56cef5056a611ab8e91dd81183a5a95e		 pdf-font-stream PDF embedded font (sfnt) at offset 0x2CC5C 3752 bytes

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