Malicious PDF — malware analysis report

Static analysis result for SHA-256 847d51247419c763…

MALICIOUS

PDF

186.8 KB Created: 2015-07-24 04:13:30 +03:00 Authoring application: wkhtmltopdf 0.12.2.1 (via Qt 4.8.6)
MD5: 330ec2efb3de7f370bbbda14c7e6b0a1 SHA-1: 290a4ac961467e3fd8a8af7f84942c437f7de2f3 SHA-256: 847d51247419c763d13bf98521963c2699a00236160781ec26d4f64e4d66d19f
92 Risk Score

Malware Insights

MITRE ATT&CK
T1566.001 Spearphishing Attachment

The PDF contains a critical heuristic firing indicating a malicious redirector link to 'http://botcraftman.ru/'. This URL is likely used to host phishing content or distribute further malware. While no scripts were explicitly extracted, the PDF structure and the malicious URL strongly suggest an attempt to lure the user into a malicious website, aligning with spearphishing tactics.

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=%D1%81%D0%BA%D0%B0%D1%87%D0%B0%D1%82%D1%8C+%D0%BF%D1%80%D0%B8%D0%BB%D0%BE%D0%B6%D0%B5%D0%BD%D0%B8%D0%B5+%D1%81%D0%B1%D0%B5%D1%80%D0%B1%D0%B0%D0%BD%D0%BA+%D0%BE%D0%BD%D0%BB%D0%B0%D0%B9%D0%BD+%D0%B4%D0%BB%D1%8F+%D0%BA%D0%BE%D0%BC%D0%BF%D1%8C%D1%8E%D1%82%D0%B5%D1%80%D0%B0&charset=utf-8
    • http://fastpic.ru/
    • http://www.liveinternet.ru/click
    • http://img1.liveinternet.ru/images/attach/c/5//4185/4185190_koduy_dlya_nokia_n8.pdf
    • http://img1.liveinternet.ru/images/attach/c/5//4187/4187317_kviddich_s_drevnosti_do_nashih_dney_skachat.pdf
    • http://img0.liveinternet.ru/images/attach/c/5//4188/4188079_skachat_fallout_3_cherez_torrent_na_russkom_ot_mehanikov.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_off00024604.bin
880e53e6f12106514012eaabb19a261b9f8ae03d695445fc59a5b9b5a1293281		 pdf-font-stream PDF embedded font (sfnt) at offset 0x24604 3556 bytes
font_01_sfnt_off00025387.bin
05cbde2d72868ddd80b86176de0c0d58ca0c4ead6ab87d0e70f0e137c2baf332		 pdf-font-stream PDF embedded font (sfnt) at offset 0x25387 14996 bytes
font_02_sfnt_off000281fe.bin
ba3cb981e1f2463b2c264d3e10a61f97939051f7b2910811e6692948e05aa41b		 pdf-font-stream PDF embedded font (sfnt) at offset 0x281FE 14468 bytes
font_03_sfnt_off0002acad.bin
eeb47b85aa013d6cf8295dad4df96a2e2211c68388c15f132f8cdbc193f2c5b3		 pdf-font-stream PDF embedded font (sfnt) at offset 0x2ACAD 7204 bytes
font_04_sfnt_off0002c189.bin
819f9cc5156bfe3dae03045446d677a19b5879270357875344f9514601da73e3		 pdf-font-stream PDF embedded font (sfnt) at offset 0x2C189 6084 bytes
font_05_sfnt_off0002d11e.bin
9364d8c42993f0db1eb41a63b15a48dd56cef5056a611ab8e91dd81183a5a95e		 pdf-font-stream PDF embedded font (sfnt) at offset 0x2D11E 3752 bytes

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