Malicious PDF — malware analysis report

Static analysis result for SHA-256 65a334f03d2cd434…

MALICIOUS

PDF

184.1 KB Created: 2015-07-26 07:17:20 +03:00 Authoring application: wkhtmltopdf 0.12.2.1 (via Qt 4.8.6)
MD5: 170fc49b1005aa25e9a859ca1346260b SHA-1: 6eb22887d168a087db23ca72f514f7fcaf35f0bc SHA-256: 65a334f03d2cd43499430ad5209e4905fb072d9cb336c3cfd0a18ce29ec1f41a
92 Risk Score

Malware Insights

MITRE ATT&CK
T1566.001 Spearphishing Attachment

The PDF file was flagged by a critical heuristic for linking to known malicious redirector infrastructure. The embedded URL 'http://botcraftman.ru/' is suspicious and likely serves as a lure to a malicious site. No scripts were extracted, but the presence of a malicious redirector strongly suggests an attempt to deliver a secondary payload or conduct phishing.

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=anno+2070+deluxe+edition+%D0%BA%D1%80%D1%8F%D0%BA&charset=utf-8
    • http://fastpic.ru/
    • http://www.liveinternet.ru/click
    • http://img0.liveinternet.ru/images/attach/c/5//4204/4204848_skachat_freedom_dlya_ios.pdf
    • http://img1.liveinternet.ru/images/attach/c/5//4207/4207753_skachat_programmu_krivoe_zerkalo_dlya_veb_kameruy.pdf
    • http://img1.liveinternet.ru/images/attach/c/5//4207/4207204_skachat_stili_dlya_proshou_prodyuser_besplatno.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_off00023d0a.bin
880e53e6f12106514012eaabb19a261b9f8ae03d695445fc59a5b9b5a1293281		 pdf-font-stream PDF embedded font (sfnt) at offset 0x23D0A 3556 bytes
font_01_sfnt_off00024a8d.bin
b719ae3673d71c15052822d23433151a875f5cc71d01b595c82133dff4f8a3a2		 pdf-font-stream PDF embedded font (sfnt) at offset 0x24A8D 14884 bytes
font_02_sfnt_off0002786d.bin
cec5776d5d578524c72526a62c1bb9ea7cd91c3f58c4551ed568d99539fbd885		 pdf-font-stream PDF embedded font (sfnt) at offset 0x2786D 14688 bytes
font_03_sfnt_off0002a3ec.bin
85f1ac79d6ebe905df4bca53807d5967548bcf9182a20d15069235f3b5acc467		 pdf-font-stream PDF embedded font (sfnt) at offset 0x2A3EC 6552 bytes
font_04_sfnt_off0002b6a4.bin
819f9cc5156bfe3dae03045446d677a19b5879270357875344f9514601da73e3		 pdf-font-stream PDF embedded font (sfnt) at offset 0x2B6A4 6084 bytes
font_05_sfnt_off0002c639.bin
9364d8c42993f0db1eb41a63b15a48dd56cef5056a611ab8e91dd81183a5a95e		 pdf-font-stream PDF embedded font (sfnt) at offset 0x2C639 3752 bytes

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