Malicious PDF — malware analysis report

Static analysis result for SHA-256 e1814b16136ecc66…

MALICIOUS

PDF

186.2 KB Created: 2015-08-08 09:54:47 +03:00 Authoring application: wkhtmltopdf 0.12.2.1 (via Qt 4.8.6)
MD5: cc6c62d8f938dce3874b2ba8835bde1f SHA-1: 300dbe9321d729d5126c8b50b5bb0059eed3032b SHA-256: e1814b16136ecc66b258b1317b6bd6dba7bb01d97631bc728ca8011194f59ee7
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 at botcraftman.ru. This suggests the document is designed to lure users to a malicious website, likely for phishing or malware delivery. No scripts were extracted, and the document body was heavily truncated, limiting further analysis of the specific 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%B0%D1%83%D0%B4%D0%B8%D0%BE%D0%BA%D0%BD%D0%B8%D0%B3%D0%B8+%D0%B1%D0%BE%D1%80%D0%B8%D1%81+%D0%B0%D0%BA%D1%83%D0%BD%D0%B8%D0%BD+%D1%81%D0%BA%D0%B0%D1%87%D0%B0%D1%82%D1%8C+%D0%B1%D0%B5%D1%81%D0%BF%D0%BB%D0%B0%D1%82%D0%BD%D0%BE&charset=utf-8
    • http://fastpic.ru/
    • http://www.liveinternet.ru/click
    • http://img1.liveinternet.ru/images/attach/c/6//4383/4383932_eset_smart_security_6.pdf
    • http://img1.liveinternet.ru/images/attach/c/6//4383/4383803_myagkaya_mebel_svoimi_rukami_chertezhi_i_shemuy_sborki.pdf
    • http://img0.liveinternet.ru/images/attach/c/6//4384/4384265_luchshaya_programma_dlya_postroeniya_silovogo_fundamenta.pdf

Extracted artifacts 6

Files carved from inside the sample during analysis.

FilenameKindSourceSize
font_00_sfnt_off000244b5.bin
880e53e6f12106514012eaabb19a261b9f8ae03d695445fc59a5b9b5a1293281		 pdf-font-stream PDF embedded font (sfnt) at offset 0x244B5 3556 bytes
font_01_sfnt_off00025238.bin
7260b5ff22f494bc308de623d6c4767ab424b827293ebbfceec38884e18c9cc3		 pdf-font-stream PDF embedded font (sfnt) at offset 0x25238 15064 bytes
font_02_sfnt_off0002810f.bin
c33e6903d76079777c1b082a355654bfa5653b97afd40bc3e5344b34556d24bd		 pdf-font-stream PDF embedded font (sfnt) at offset 0x2810F 14468 bytes
font_03_sfnt_off0002abc1.bin
fa8105471074872054575ca05c3cdff79775f160b2fb8fabfc6f1322debbe446		 pdf-font-stream PDF embedded font (sfnt) at offset 0x2ABC1 6648 bytes
font_04_sfnt_off0002bed7.bin
819f9cc5156bfe3dae03045446d677a19b5879270357875344f9514601da73e3		 pdf-font-stream PDF embedded font (sfnt) at offset 0x2BED7 6084 bytes
font_05_sfnt_off0002ce6c.bin
9364d8c42993f0db1eb41a63b15a48dd56cef5056a611ab8e91dd81183a5a95e		 pdf-font-stream PDF embedded font (sfnt) at offset 0x2CE6C 3752 bytes

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