Malicious PDF — malware analysis report

Static analysis result for SHA-256 cb0639d55f23d170…

MALICIOUS

PDF

187.7 KB Created: 2015-07-23 20:36:08 +03:00 Authoring application: wkhtmltopdf 0.12.2.1 (via Qt 4.8.6)
MD5: 5f187412618a5896d1c87cd8956706a3 SHA-1: ebd564dd95fb569f775e37069d95df4b6980aea1 SHA-256: cb0639d55f23d170d75a296e2ce5a2c52572e6d3c06a312baa7484a0c0192055
60 Risk Score

Malware Insights

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

The PDF file contains an embedded link to a known malicious redirector. This indicates an attempt to lure the user to a harmful site, likely for further exploitation or credential harvesting. The redirector URL is http://botcraftman.ru/?lip&keyword=%D1%81%D0%BA%D0%B0%D1%87%D0%B0%D1%82%D1%8C+%D0%B8%D0%B3%D1%80%D1%80%D1%83+lego+the+hobbit+2015+%D1%87%D0%B5%D1%80%D0%B5%D0%B7+%D1%82%D0%BE%D1%80%D1%80%D0%B5%D0%BD%D1%82+%D0%BD%D0%B0+%D0%BF%D0%BA&charset=utf-8. No scripts were extracted from this sample, limiting further analysis of its behavior.

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%B8%D0%B3%D1%80%D1%83+lego+the+hobbit+2015+%D1%87%D0%B5%D1%80%D0%B5%D0%B7+%D1%82%D0%BE%D1%80%D1%80%D0%B5%D0%BD%D1%82+%D0%BD%D0%B0+%D0%BF%D0%BA&charset=utf-8
    • http://fastpic.ru/
    • http://www.liveinternet.ru/click
    • http://img0.liveinternet.ru/images/attach/c/5//4184/4184541_geroi_mecha_i_magii_3_duyhanie_smerti_skachat_mediaget.pdf
    • http://img0.liveinternet.ru/images/attach/c/5//4184/4184425_pipboy_3000_fallout_3_theme_android.pdf
    • http://img0.liveinternet.ru/images/attach/c/5//4184/4184350_yesse_po_obschestvu_primeruy.pdf

Extracted artifacts 6

Files carved from inside the sample during analysis.

FilenameKindSourceSize
font_00_sfnt_off00024607.bin
880e53e6f12106514012eaabb19a261b9f8ae03d695445fc59a5b9b5a1293281		 pdf-font-stream PDF embedded font (sfnt) at offset 0x24607 3556 bytes
font_01_sfnt_off0002538a.bin
81bd865afae6892e7632d4a000f87cb7013e8375068ffac6acf5e17e8fe6e7cf		 pdf-font-stream PDF embedded font (sfnt) at offset 0x2538A 15400 bytes
font_02_sfnt_off000282a5.bin
c441b7043544095f727d50c60497b48705c2140a8980fb09f60cda54e0b06603		 pdf-font-stream PDF embedded font (sfnt) at offset 0x282A5 14988 bytes
font_03_sfnt_off0002aebb.bin
d47c2e1970efd00af98cae692adf1ef69334ac783125a03271f60ac5699f2ea1		 pdf-font-stream PDF embedded font (sfnt) at offset 0x2AEBB 7536 bytes
font_04_sfnt_off0002c4fe.bin
819f9cc5156bfe3dae03045446d677a19b5879270357875344f9514601da73e3		 pdf-font-stream PDF embedded font (sfnt) at offset 0x2C4FE 6084 bytes
font_05_sfnt_off0002d493.bin
9364d8c42993f0db1eb41a63b15a48dd56cef5056a611ab8e91dd81183a5a95e		 pdf-font-stream PDF embedded font (sfnt) at offset 0x2D493 3752 bytes

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