Malicious PDF — malware analysis report

Static analysis result for SHA-256 2fbc0efdd49f0892…

MALICIOUS

PDF

185.1 KB Created: 2015-08-08 12:16:49 +03:00 Authoring application: wkhtmltopdf 0.12.2.1 (via Qt 4.8.6)
MD5: b83a01ae936bef191fbe5f417e617934 SHA-1: e593e5d858973fe014378eb2c3d56de649e21bfb SHA-256: 2fbc0efdd49f0892135a8abf3d577a920872dbe7715c90dab012b7328f0ddf7a
90 Risk Score

Malware Insights

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

The PDF file was flagged by a critical heuristic for linking to known malicious redirector infrastructure. The embedded URL, http://botcraftman.ru/, is identified as a malicious redirector. This suggests the document's primary purpose is to lure the user to a potentially harmful website. No scripts were extracted, and the document body was truncated, limiting further analysis of the exact lure.

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=%D0%BF%D0%BE%D0%BB%D0%B8%D0%BA%D0%BB%D0%B8%D0%BD%D0%B8%D0%BA%D0%B0+7+%D0%BB%D0%B8%D0%BF%D0%B5%D1%86%D0%BA+%D1%80%D0%B0%D1%81%D0%BF%D0%B8%D1%81%D0%B0%D0%BD%D0%B8%D0%B5+%D0%B2%D1%80%D0%B0%D1%87%D0%B5%D0%B9&charset=utf-8
    • http://fastpic.ru/
    • http://www.liveinternet.ru/click
    • http://img0.liveinternet.ru/images/attach/c/6//4388/4388026_shootme_skachat.pdf
    • http://img1.liveinternet.ru/images/attach/c/6//4385/4385682_surganova_novuyy_albom_2015.pdf
    • http://img0.liveinternet.ru/images/attach/c/6//4386/4386820_mrouter_skachat.pdf

Extracted artifacts 6

Files carved from inside the sample during analysis.

FilenameKindSourceSize
font_00_sfnt_off0002427f.bin
880e53e6f12106514012eaabb19a261b9f8ae03d695445fc59a5b9b5a1293281		 pdf-font-stream PDF embedded font (sfnt) at offset 0x2427F 3556 bytes
font_01_sfnt_off00025002.bin
fc313b95b674c2fe26dd057716718d1e3c1222027f2a9d68d22d94363af578d3		 pdf-font-stream PDF embedded font (sfnt) at offset 0x25002 14444 bytes
font_02_sfnt_off00027d30.bin
1107c1490e56408d0c2eaea767678a4888654039837a3442c4e49b2705bbf884		 pdf-font-stream PDF embedded font (sfnt) at offset 0x27D30 14512 bytes
font_03_sfnt_off0002a814.bin
38da7987bada38a9f19a9ea434071b6edd391dd812da10bcf2aaae2680fb2a9b		 pdf-font-stream PDF embedded font (sfnt) at offset 0x2A814 6480 bytes
font_04_sfnt_off0002ba72.bin
819f9cc5156bfe3dae03045446d677a19b5879270357875344f9514601da73e3		 pdf-font-stream PDF embedded font (sfnt) at offset 0x2BA72 6084 bytes
font_05_sfnt_off0002ca07.bin
9364d8c42993f0db1eb41a63b15a48dd56cef5056a611ab8e91dd81183a5a95e		 pdf-font-stream PDF embedded font (sfnt) at offset 0x2CA07 3752 bytes

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