Malicious PDF — malware analysis report

Static analysis result for SHA-256 bc3b14fd26bde5cd…

MALICIOUS

PDF

185.7 KB Created: 2015-07-24 09:21:24 +03:00 Authoring application: wkhtmltopdf 0.12.2.1 (via Qt 4.8.6)
MD5: 1f047f99c22a3130737b8f695f364f15 SHA-1: 53231be2c41742f4f8d00d783ef4954854538075 SHA-256: bc3b14fd26bde5cd225550bdec24383db9a56474d8f62dabac4d9d9224e66bda
92 Risk Score

Malware Insights

MITRE ATT&CK
T1566.002 Spearphishing Attachment T1204.002 Malicious Link

The PDF document was flagged by a machine learning classifier and contains a critical heuristic indicating a link to known malicious redirector infrastructure. The embedded URL, http://botcraftman.ru/, is the primary indicator of malicious intent. This suggests the document is designed to lure users to a malicious website, likely for phishing or malware delivery.

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=%D1%8D%D1%80%D0%BE%D1%82%D0%B8%D1%87%D0%B5%D1%81%D0%BA%D0%B8%D0%B5+%D0%BA%D0%B2%D0%B5%D1%81%D1%82%D1%8B+%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/5//4187/4187421_zayavlenie_na_postanovku_na_uchet_transportnogo_sredstva.pdf
    • http://img0.liveinternet.ru/images/attach/c/5//4188/4188770_skachat_fotoredaktor_cherez_torrent.pdf
    • http://img1.liveinternet.ru/images/attach/c/5//4185/4185458_skachat_iso_obraz_windows_8.pdf

Extracted artifacts 6

Files carved from inside the sample during analysis.

FilenameKindSourceSize
font_00_sfnt_off000243a1.bin
880e53e6f12106514012eaabb19a261b9f8ae03d695445fc59a5b9b5a1293281		 pdf-font-stream PDF embedded font (sfnt) at offset 0x243A1 3556 bytes
font_01_sfnt_off00025124.bin
656d9027ca48ddcb10669a27cfd46e0388644f32fc97a0576b919789d6983431		 pdf-font-stream PDF embedded font (sfnt) at offset 0x25124 15020 bytes
font_02_sfnt_off00028015.bin
ed99dd93dfa93b840ea91ddcbc889f8b09649a34036244f3311826b317b6af35		 pdf-font-stream PDF embedded font (sfnt) at offset 0x28015 14692 bytes
font_03_sfnt_off0002ab78.bin
546af364ce52f88c36436053cc42552747b308cfc89885a4fb210c76c04411a6		 pdf-font-stream PDF embedded font (sfnt) at offset 0x2AB78 6228 bytes
font_04_sfnt_off0002bcf5.bin
819f9cc5156bfe3dae03045446d677a19b5879270357875344f9514601da73e3		 pdf-font-stream PDF embedded font (sfnt) at offset 0x2BCF5 6084 bytes
font_05_sfnt_off0002cc8a.bin
9364d8c42993f0db1eb41a63b15a48dd56cef5056a611ab8e91dd81183a5a95e		 pdf-font-stream PDF embedded font (sfnt) at offset 0x2CC8A 3752 bytes

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