Malicious PDF — malware analysis report

Static analysis result for SHA-256 78e2a866a94281af…

MALICIOUS

PDF

187.7 KB Created: 2015-07-25 09:25:44 +03:00 Authoring application: wkhtmltopdf 0.12.2.1 (via Qt 4.8.6)
MD5: 6a69e1d59a57bff00d21d78595f677dd SHA-1: a7bb9509f1477862353e9c92bb1d61edec9070b6 SHA-256: 78e2a866a94281af215a2681ab216e78d58afc055ebc397971fc1ec138ad5398
92 Risk Score

Malware Insights

MITRE ATT&CK
T1566.001 Spearphishing Attachment

The PDF file was flagged by multiple heuristics as malicious, specifically for containing a link to a known malicious redirector. The embedded URL `http://botcraftman.ru/...` is the primary indicator of malicious intent. While no scripts were extracted, the presence of this link suggests the document is designed to lure the user to a harmful site, 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%81%D0%B8%D0%BC%D1%83%D0%BB%D1%8F%D1%82%D0%BE%D1%80+%D1%80%D0%B6%D0%B4+%D1%81+%D1%80%D1%83%D1%81%D1%81%D0%BA%D0%B8%D0%BC%D0%B8+%D0%BC%D0%B0%D1%80%D1%88%D1%80%D1%83%D1%82%D0%B0%D0%BC%D0%B8+%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/5//4200/4200328_iron_maiden_skachat_diskografiyu_torrent.pdf
    • http://img1.liveinternet.ru/images/attach/c/5//4197/4197201_kupit_kod_dlya_polucheniya_skina_v_lol.pdf
    • http://img1.liveinternet.ru/images/attach/c/5//4195/4195618_audiokniga_upk_rf.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_off0002497d.bin
880e53e6f12106514012eaabb19a261b9f8ae03d695445fc59a5b9b5a1293281		 pdf-font-stream PDF embedded font (sfnt) at offset 0x2497D 3556 bytes
font_01_sfnt_off00025700.bin
24ef6f2fbb050d0a3b8f64cd2111df643bde4665201dfe95f4e012a89dd2624f		 pdf-font-stream PDF embedded font (sfnt) at offset 0x25700 15192 bytes
font_02_sfnt_off0002860d.bin
9f558dabf45529e4aaaeff3bf2294953589666d941f4556866a982aac24a79f3		 pdf-font-stream PDF embedded font (sfnt) at offset 0x2860D 14520 bytes
font_03_sfnt_off0002b0da.bin
7ffbd6256643a639ad1492c9cf38411ecfe67ef608b66b479c8248378d4ce1a8		 pdf-font-stream PDF embedded font (sfnt) at offset 0x2B0DA 6896 bytes
font_04_sfnt_off0002c4ce.bin
819f9cc5156bfe3dae03045446d677a19b5879270357875344f9514601da73e3		 pdf-font-stream PDF embedded font (sfnt) at offset 0x2C4CE 6084 bytes
font_05_sfnt_off0002d463.bin
9364d8c42993f0db1eb41a63b15a48dd56cef5056a611ab8e91dd81183a5a95e		 pdf-font-stream PDF embedded font (sfnt) at offset 0x2D463 3752 bytes

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