Malicious PDF — malware analysis report

Static analysis result for SHA-256 344e629037fbbb6a…

MALICIOUS

PDF

188.7 KB Created: 2015-07-24 04:42:55 +03:00 Authoring application: wkhtmltopdf 0.12.2.1 (via Qt 4.8.6)
MD5: 82e4b0dcd59ebc5cd060910f98cf58dc SHA-1: 0c5025ff617d142e7533b52e40fa5cfec8086183 SHA-256: 344e629037fbbb6ab841fc7cfbef43a7d2c834fcf32f37667ad2267afd289663
92 Risk Score

Malware Insights

MITRE ATT&CK
T1566.001 Spearphishing Attachment

The PDF contains an embedded link flagged as malicious, redirecting to botcraftman.ru. This indicates an attempt to lure the user to a potentially harmful site, likely for further exploitation or credential harvesting. While no scripts were explicitly extracted, the PDF structure and the malicious redirector strongly suggest a phishing or malware distribution attempt.

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%B8%D0%B3%D1%80%D1%83+18+%D1%81%D1%82%D0%B0%D0%BB%D1%8C%D0%BD%D1%8B%D1%85+%D0%BA%D0%BE%D0%BB%D0%B5%D1%81+%D0%BF%D0%BE+%D0%B4%D0%BE%D1%80%D0%BE%D0%B3%D0%B0%D0%BC+%D1%80%D0%BE%D1%81%D1%81%D0%B8%D0%B8+%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://img1.liveinternet.ru/images/attach/c/5//4185/4185619_chertezhi_krolichih_kletok.pdf
    • http://img1.liveinternet.ru/images/attach/c/5//4185/4185272_instrukciya_polzovatelya_1s_zarplata_i_kadruy_versii_77.pdf
    • http://img0.liveinternet.ru/images/attach/c/5//4184/4184319_kryak_alavar_2015.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_off00024e97.bin
880e53e6f12106514012eaabb19a261b9f8ae03d695445fc59a5b9b5a1293281		 pdf-font-stream PDF embedded font (sfnt) at offset 0x24E97 3556 bytes
font_01_sfnt_off00025c1a.bin
44df2a1d54d56cd81fa99f44e2dad8a499f0019b43e323063bfa420d244261c8		 pdf-font-stream PDF embedded font (sfnt) at offset 0x25C1A 14420 bytes
font_02_sfnt_off0002895f.bin
cc89568594106d53ebf5ef0aef853d000668570d0d7c5223eb4ee066651795e6		 pdf-font-stream PDF embedded font (sfnt) at offset 0x2895F 14532 bytes
font_03_sfnt_off0002b44f.bin
f725f8e10070766026814096095963a950830a792d96144b73db227582a7930d		 pdf-font-stream PDF embedded font (sfnt) at offset 0x2B44F 7024 bytes
font_04_sfnt_off0002c8ce.bin
819f9cc5156bfe3dae03045446d677a19b5879270357875344f9514601da73e3		 pdf-font-stream PDF embedded font (sfnt) at offset 0x2C8CE 6084 bytes
font_05_sfnt_off0002d863.bin
9364d8c42993f0db1eb41a63b15a48dd56cef5056a611ab8e91dd81183a5a95e		 pdf-font-stream PDF embedded font (sfnt) at offset 0x2D863 3752 bytes

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