Malicious PDF — malware analysis report

Static analysis result for SHA-256 4053aa13ff7fc681…

MALICIOUS

PDF

188.2 KB Created: 2015-07-23 20:50:58 +03:00 Authoring application: wkhtmltopdf 0.12.2.1 (via Qt 4.8.6)
MD5: 455f43f3e0b5bf01b9cbce024e04cc38 SHA-1: cfb2eb81dbc48fcc09418c16e5ae43b7612d35ba SHA-256: 4053aa13ff7fc681e5c30d7592dd9522356cae878a4b8f017a7dc51e3ff4ce4d
60 Risk Score

Malware Insights

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

The PDF file contains a link to a known malicious redirector, botcraftman.ru. This heuristic indicates the document is designed to lure users to a potentially harmful website. No scripts were extracted, and the document body was truncated, limiting further analysis of the specific lure. The primary IOC is the malicious redirector URL.

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=divinity+original+sin+%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+%D1%80%D1%83%D1%81%D1%81%D0%BA%D0%B0%D1%8F+%D0%BE%D0%B7%D0%B2%D1%83%D1%87%D0%BA%D0%B0&charset=utf-8
    • http://fastpic.ru/
    • http://www.liveinternet.ru/click
    • http://img0.liveinternet.ru/images/attach/c/5//4184/4184710_stroitelstvo_domov_pod_klyuch_iz_gazobetona.pdf
    • http://img0.liveinternet.ru/images/attach/c/5//4184/4184491_maykrosoft_ofis_2010_skachat_besplatno_russkaya_versiya_torrent.pdf
    • http://img0.liveinternet.ru/images/attach/c/5//4184/4184458_videokarta_gigabyte_d33006_drayver.pdf

Extracted artifacts 6

Files carved from inside the sample during analysis.

FilenameKindSourceSize
stream_048_off0002b090.bin
5340927908bf230a610f93659cf20d20f559b233e8bc94f818065bfd48092d73		 decompressed-pdf-stream PDF FlateDecoded stream at offset 0x2B090 7660 bytes
font_00_sfnt_off00024814.bin
880e53e6f12106514012eaabb19a261b9f8ae03d695445fc59a5b9b5a1293281		 pdf-font-stream PDF embedded font (sfnt) at offset 0x24814 3556 bytes
font_01_sfnt_off00025597.bin
3ba060f2e5f6142cc59809a046334f5843d02b77a431613f7949340fe97ac972		 pdf-font-stream PDF embedded font (sfnt) at offset 0x25597 15380 bytes
font_02_sfnt_off000284e2.bin
8a33b3ad85b1a6c8b0204c142a98dce28638d921deea7279351cc709a7d159dd		 pdf-font-stream PDF embedded font (sfnt) at offset 0x284E2 14760 bytes
font_04_sfnt_off0002c722.bin
819f9cc5156bfe3dae03045446d677a19b5879270357875344f9514601da73e3		 pdf-font-stream PDF embedded font (sfnt) at offset 0x2C722 6084 bytes
font_05_sfnt_off0002d6b7.bin
9364d8c42993f0db1eb41a63b15a48dd56cef5056a611ab8e91dd81183a5a95e		 pdf-font-stream PDF embedded font (sfnt) at offset 0x2D6B7 3752 bytes

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