Malicious PDF — malware analysis report

Static analysis result for SHA-256 2de9e28f7bef44b3…

MALICIOUS

PDF

186.7 KB Created: 2015-07-24 13:32:00 +03:00 Authoring application: wkhtmltopdf 0.12.2.1 (via Qt 4.8.6)
MD5: c312cdad8abb9863009336775f27a5aa SHA-1: 73ec5119472c0cd8b45a243b09d5fab2e0862096 SHA-256: 2de9e28f7bef44b332f2c45ba0c8c85cd7733742f3783ab52a70c800a271fb8e
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. This indicates the document is likely a lure designed to redirect users to a malicious website for phishing or malware distribution. No scripts were extracted, and the document body was not sufficiently readable to determine a 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=dead+space+2+%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+%D1%80%D1%83%D1%81%D1%81%D0%BA%D0%B0%D1%8F+%D0%BE%D0%B7%D0%B2%D1%83%D1%87%D0%BA%D0%B0+pc&charset=utf-8
    • http://fastpic.ru/
    • http://www.liveinternet.ru/click
    • http://img1.liveinternet.ru/images/attach/c/5//4187/4187080_skachat_narezki_na_telefon_besplatno_novinki_2014.pdf
    • http://img1.liveinternet.ru/images/attach/c/5//4185/4185678_maroon_5_diskografiya_skachat_torrent.pdf
    • http://img1.liveinternet.ru/images/attach/c/5//4185/4185022_skachat_stalker_zov_pripyati_mertvuyy_gorod_2_cherez_torrent.pdf

Extracted artifacts 6

Files carved from inside the sample during analysis.

FilenameKindSourceSize
stream_048_off0002ab51.bin
01a74f7069e0d68f74bbcd3eadd3e83633dc1aa232470b2e6e6f61fa0e895064		 decompressed-pdf-stream PDF FlateDecoded stream at offset 0x2AB51 7368 bytes
font_00_sfnt_off00024532.bin
880e53e6f12106514012eaabb19a261b9f8ae03d695445fc59a5b9b5a1293281		 pdf-font-stream PDF embedded font (sfnt) at offset 0x24532 3556 bytes
font_01_sfnt_off000252b5.bin
1ecfe498757b5e84ed27f721ab526730d73e8b03bd4af48fae6d5992a1e008b7		 pdf-font-stream PDF embedded font (sfnt) at offset 0x252B5 14704 bytes
font_02_sfnt_off0002803c.bin
c55cae9f167ac64ffc552f9e95b638e7c124a364d4097b4e249bbd318f7014e0		 pdf-font-stream PDF embedded font (sfnt) at offset 0x2803C 14600 bytes
font_04_sfnt_off0002c0e5.bin
819f9cc5156bfe3dae03045446d677a19b5879270357875344f9514601da73e3		 pdf-font-stream PDF embedded font (sfnt) at offset 0x2C0E5 6084 bytes
font_05_sfnt_off0002d07a.bin
9364d8c42993f0db1eb41a63b15a48dd56cef5056a611ab8e91dd81183a5a95e		 pdf-font-stream PDF embedded font (sfnt) at offset 0x2D07A 3752 bytes

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