Malicious PDF — malware analysis report

Static analysis result for SHA-256 dbba4f17f89eb6dc…

MALICIOUS

PDF

186.1 KB Created: 2015-07-25 11:50:23 +03:00 Authoring application: wkhtmltopdf 0.12.2.1 (via Qt 4.8.6)
MD5: a66d50124e33d5728e749b31f6235429 SHA-1: e312f8ca54f212039c53c3386a58f7c3c111e574 SHA-256: dbba4f17f89eb6dc9ecf733049fc37978e83dc735fc64b84516f928ae4d67c06
90 Risk Score

Malware Insights

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

The PDF file was flagged by a machine learning classifier and contains a link to a known malicious redirector infrastructure. This indicates the document is likely part of a phishing or malware distribution campaign. The embedded URL, http://botcraftman.ru/, is the primary indicator of malicious intent, suggesting a redirection to a harmful site.

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%BC%D1%83%D0%B7%D1%8B%D0%BA%D1%83+%D0%BB%D1%83%D1%87%D1%88%D0%B8%D1%85+%D0%B4%D0%B8%D0%B4%D0%B6%D0%B5%D0%B5%D0%B2+%D0%BC%D0%B8%D1%80%D0%B0+2015&charset=utf-8
    • http://fastpic.ru/
    • http://www.liveinternet.ru/click
    • http://img0.liveinternet.ru/images/attach/c/5//4192/4192358_biblioteka_mebeli_dlya_sweet_home_3dzip.pdf
    • http://img0.liveinternet.ru/images/attach/c/5//4198/4198707_skachat_root_prava_na_freedom.pdf
    • http://img1.liveinternet.ru/images/attach/c/5//4203/4203470_ringtonuy_na_telefon_skachat_besplatno_na_doch.pdf

Extracted artifacts 6

Files carved from inside the sample during analysis.

FilenameKindSourceSize
font_00_sfnt_off0002438d.bin
880e53e6f12106514012eaabb19a261b9f8ae03d695445fc59a5b9b5a1293281		 pdf-font-stream PDF embedded font (sfnt) at offset 0x2438D 3556 bytes
font_01_sfnt_off00025110.bin
e97170582d65305137b09f49931e80d505807c91067ddab62219fa84be253320		 pdf-font-stream PDF embedded font (sfnt) at offset 0x25110 14172 bytes
font_02_sfnt_off00027d7e.bin
a9fc46c12856c9f69c72d0cdda363cf92e06ec18fa634523d30f13c51e72af10		 pdf-font-stream PDF embedded font (sfnt) at offset 0x27D7E 14764 bytes
font_03_sfnt_off0002a913.bin
3b0e350feaaa3d2d0e7b08fc6ca8dbaa411adfb2a4c38e38fbd6f0740db36190		 pdf-font-stream PDF embedded font (sfnt) at offset 0x2A913 7284 bytes
font_04_sfnt_off0002be7a.bin
819f9cc5156bfe3dae03045446d677a19b5879270357875344f9514601da73e3		 pdf-font-stream PDF embedded font (sfnt) at offset 0x2BE7A 6084 bytes
font_05_sfnt_off0002ce0f.bin
9364d8c42993f0db1eb41a63b15a48dd56cef5056a611ab8e91dd81183a5a95e		 pdf-font-stream PDF embedded font (sfnt) at offset 0x2CE0F 3752 bytes

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