Malicious PDF — malware analysis report

Static analysis result for SHA-256 965beb4b33974bba…

MALICIOUS

PDF

187.6 KB Created: 2015-08-05 13:21:39 +03:00 Authoring application: wkhtmltopdf 0.12.2.1 (via Qt 4.8.6)
MD5: 95acf47d82ba4ceb75d5b27cdf0bbb70 SHA-1: 7780fb0da9331d662b102ba6b7d6ec928ff420f6 SHA-256: 965beb4b33974bba7db04ed8662caae0769194acd401b5ef57df1ba235c003cf
60 Risk Score

Malware Insights

MITRE ATT&CK
T1566.002 Spearphishing Attachment T1059.001 PowerShell

The PDF contains a link to a known malicious redirector, indicating an attempt to lure the user to a harmful site. The embedded URL is `http://botcraftman.ru/?lip&keyword=%D1%81%D0%BA%D0%B0%D1%87%D0%B0%D1%82%D1%8C+%D0%BC%D0%BE%D0%B4+%D0%B4%D1%80%D1%83%D0%B7%D1%8C%D1%8F+%D0%BD%D0%B0+%D0%B2%D1%81%D1%8E+%D0%B6%D0%B8%D0%B7%D0%BD%D1%8C+%D0%B4%D0%BB%D1%8F+%D0%BC%D0%B0%D1%84%D0%B8%D0%B8+2&charset=utf-8`. This suggests a phishing or malware distribution attempt. No scripts were extracted, limiting further analysis of the payload.

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%BA%D0%B0%D1%87%D0%B0%D1%82%D1%8C+%D0%BC%D0%BE%D0%B4+%D0%B4%D1%80%D1%83%D0%B7%D1%8C%D1%8F+%D0%BD%D0%B0+%D0%B2%D1%81%D1%8E+%D0%B6%D0%B8%D0%B7%D0%BD%D1%8C+%D0%B4%D0%BB%D1%8F+%D0%BC%D0%B0%D1%84%D0%B8%D0%B8+2&charset=utf-8
    • http://fastpic.ru/
    • http://www.liveinternet.ru/click
    • http://img0.liveinternet.ru/images/attach/c/6//4304/4304470_skachat_icq_5_na_kompyuter_besplatno.pdf
    • http://img0.liveinternet.ru/images/attach/c/6//4304/4304464_skachat_muzuyku_s_torrent.pdf
    • http://img0.liveinternet.ru/images/attach/c/6//4304/4304447_interesnuyy_scenariy_vuypusknogo_v_4_klasse.pdf

Extracted artifacts 6

Files carved from inside the sample during analysis.

FilenameKindSourceSize
font_00_sfnt_off000247c5.bin
880e53e6f12106514012eaabb19a261b9f8ae03d695445fc59a5b9b5a1293281		 pdf-font-stream PDF embedded font (sfnt) at offset 0x247C5 3556 bytes
font_01_sfnt_off00025548.bin
74dea81f71b554e80078c80ec4b99844cedae364e023f6ed3f2d0c3223a92c3f		 pdf-font-stream PDF embedded font (sfnt) at offset 0x25548 14948 bytes
font_02_sfnt_off00028428.bin
d8162311fbb197a64026b16dbefe549b15ec71e47426bea4bc227eaadead82ce		 pdf-font-stream PDF embedded font (sfnt) at offset 0x28428 14468 bytes
font_03_sfnt_off0002aed7.bin
22320ccd96b2d146bdfeae830f89afaec32b900fb0d916a23918fc9e01e82ef1		 pdf-font-stream PDF embedded font (sfnt) at offset 0x2AED7 7372 bytes
font_04_sfnt_off0002c47e.bin
819f9cc5156bfe3dae03045446d677a19b5879270357875344f9514601da73e3		 pdf-font-stream PDF embedded font (sfnt) at offset 0x2C47E 6084 bytes
font_05_sfnt_off0002d413.bin
9364d8c42993f0db1eb41a63b15a48dd56cef5056a611ab8e91dd81183a5a95e		 pdf-font-stream PDF embedded font (sfnt) at offset 0x2D413 3752 bytes

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