Malicious PDF — malware analysis report

Static analysis result for SHA-256 69868b08fb05f91f…

MALICIOUS

PDF

184.9 KB Created: 2015-07-23 20:19:33 +03:00 Authoring application: wkhtmltopdf 0.12.2.1 (via Qt 4.8.6)
MD5: 103154447724df2085a4a88d6aec73ff SHA-1: dbafb51f7111391210a2fe9a889063063e182d73 SHA-256: 69868b08fb05f91fb93c23f3a5183cfae6979bc39fe5ee70c139e6d9df641f3f
92 Risk Score

Malware Insights

MITRE ATT&CK
T1566.001 Spearphishing Attachment

The PDF contains a link to a known malicious redirector, botcraftman.ru, which is designed to lure users to potentially harmful websites. The ML classifier also flagged this PDF with high confidence. While no scripts were explicitly extracted, the PDF structure and embedded links suggest an attempt to exploit user interaction for malicious purposes, likely related to 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=Adobe+photoshop+cs7+rus+%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//4184/4184468_programma_dlya_obnovleniya_bios.pdf
    • http://img0.liveinternet.ru/images/attach/c/5//4184/4184436_blagodarstvennoe_pismo_studentu_za_prohozhdenie_praktiki_obrazec.pdf
    • http://img0.liveinternet.ru/images/attach/c/5//4184/4184357_speed_art_skachat_programmu_dlya_risovaniya.pdf
    • http://www.microsoft.com/typography/fonts/You
    • http://www.microsoft.com/typography/fonts/

Extracted artifacts 6

Files carved from inside the sample during analysis.

FilenameKindSourceSize
stream_048_off0002a6a9.bin
e360a5e22004e3c152a2e42968612eec6c6f9c385ba913a14c111c9b8efd7a69		 decompressed-pdf-stream PDF FlateDecoded stream at offset 0x2A6A9 6724 bytes
font_00_sfnt_off00023f7f.bin
880e53e6f12106514012eaabb19a261b9f8ae03d695445fc59a5b9b5a1293281		 pdf-font-stream PDF embedded font (sfnt) at offset 0x23F7F 3556 bytes
font_01_sfnt_off00024d02.bin
cab295a5c1d1ef22d7cb79384041b3961e22f0353ad7e17fc4702a6d05b6c3e8		 pdf-font-stream PDF embedded font (sfnt) at offset 0x24D02 14932 bytes
font_02_sfnt_off00027ae6.bin
ec2706db2755bf5e20a2922bd1f9aaaf1848f5c9489da0b3bda70fcf8b61f212		 pdf-font-stream PDF embedded font (sfnt) at offset 0x27AE6 14856 bytes
font_04_sfnt_off0002b9e7.bin
819f9cc5156bfe3dae03045446d677a19b5879270357875344f9514601da73e3		 pdf-font-stream PDF embedded font (sfnt) at offset 0x2B9E7 6084 bytes
font_05_sfnt_off0002c97c.bin
9364d8c42993f0db1eb41a63b15a48dd56cef5056a611ab8e91dd81183a5a95e		 pdf-font-stream PDF embedded font (sfnt) at offset 0x2C97C 3752 bytes

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