Malicious PDF — malware analysis report

Static analysis result for SHA-256 1f34e4117ed296d9…

MALICIOUS

PDF

185.2 KB Created: 2015-07-24 12:22:11 +03:00 Authoring application: wkhtmltopdf 0.12.2.1 (via Qt 4.8.6)
MD5: ef413059652fa7d5777d922ea7e27284 SHA-1: fbb3cfeb3f96c315f30fb68958b1820ebb20c116 SHA-256: 1f34e4117ed296d99890ca983937bf7fddcd1cd19d9b4d8822fe007673090be1
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. The embedded URL `http://botcraftman.ru/?lip&keyword=prominy+v-metal+%D1%81%D0%BA%D0%B0%D1%87%D0%B0%D1%82%D1%8C+%D1%82%D0%BE%D1%80%D1%80%D0%B5%D0%BD%D1%82&charset=utf-8` is the primary indicator of malicious intent, suggesting a phishing or malware delivery attempt. No scripts were extracted from this sample.

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=prominy+v-metal+%D1%81%D0%BA%D0%B0%D1%87%D0%B0%D1%82%D1%8C+%D1%82%D0%BE%D1%80%D1%80%D0%B5%D0%BD%D1%82&charset=utf-8
    • http://fastpic.ru/
    • http://www.liveinternet.ru/click
    • http://img0.liveinternet.ru/images/attach/c/5//4184/4184772_operaciya_geniy_specotryad_fiziki_skachat_torrent.pdf
    • http://img1.liveinternet.ru/images/attach/c/5//4191/4191246_videopleer_dlya_nokia_5228.pdf
    • http://img1.liveinternet.ru/images/attach/c/5//4191/4191721_otchet_po_praktike_v_mebelnom_magazine.pdf

Extracted artifacts 6

Files carved from inside the sample during analysis.

FilenameKindSourceSize
font_00_sfnt_off00023f91.bin
880e53e6f12106514012eaabb19a261b9f8ae03d695445fc59a5b9b5a1293281		 pdf-font-stream PDF embedded font (sfnt) at offset 0x23F91 3556 bytes
font_01_sfnt_off00024d14.bin
b039062dd582d7f5bbbc4dd44d250b25464e6118015d2fd6e4f8e43ad688155b		 pdf-font-stream PDF embedded font (sfnt) at offset 0x24D14 14700 bytes
font_02_sfnt_off00027a7c.bin
db89ce818a014170e7deea7688c2cf166fdb2863a1da2edfbae394d0485c880c		 pdf-font-stream PDF embedded font (sfnt) at offset 0x27A7C 14936 bytes
font_03_sfnt_off0002a64e.bin
5e87bded73f1be0216526af887e6ca4083a1ef4c3e587229326f37b554392cee		 pdf-font-stream PDF embedded font (sfnt) at offset 0x2A64E 7116 bytes
font_04_sfnt_off0002bb0e.bin
819f9cc5156bfe3dae03045446d677a19b5879270357875344f9514601da73e3		 pdf-font-stream PDF embedded font (sfnt) at offset 0x2BB0E 6084 bytes
font_05_sfnt_off0002caa3.bin
9364d8c42993f0db1eb41a63b15a48dd56cef5056a611ab8e91dd81183a5a95e		 pdf-font-stream PDF embedded font (sfnt) at offset 0x2CAA3 3752 bytes

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