Malicious PDF — malware analysis report

Static analysis result for SHA-256 528ec417709e71f7…

MALICIOUS

PDF

184.0 KB Created: 2015-07-24 07:52:16 +03:00 Authoring application: wkhtmltopdf 0.12.2.1 (via Qt 4.8.6)
MD5: 36af436e159ca30c3b19f42395861b6b SHA-1: d802c58cf8d304831339e1def0a04139e356bc50 SHA-256: 528ec417709e71f75006d400cc2035aa6976c02a4bba22e71d2e34c986e6c7da
90 Risk Score

Malware Insights

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

The PDF file contains a critical heuristic firing indicating a malicious redirector link to botcraftman.ru. This suggests the document's primary purpose is to lure the user to a malicious website. The ML classifier also strongly flagged this PDF as malicious. 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=Vkontrole+message+%D0%B2%D0%B5%D1%80%D1%81%D0%B8%D0%B8+10&charset=utf-8
    • http://fastpic.ru/
    • http://www.liveinternet.ru/click
    • http://img1.liveinternet.ru/images/attach/c/5//4185/4185615_prezentaciya_rastitelnuyy_i_zhivotnuyy_mir_sverdlovskoy_oblasti.pdf
    • http://img0.liveinternet.ru/images/attach/c/5//4188/4188205_skachat_nero_besplatno_polnuyu_versiyu.pdf
    • http://img1.liveinternet.ru/images/attach/c/5//4185/4185277_msvbvm50dll_dlya_windows_7_skachat_besplatno.pdf

Extracted artifacts 6

Files carved from inside the sample during analysis.

FilenameKindSourceSize
stream_048_off0002a1e2.bin
7bde9a5edc666917205aa82d217371a8f0a18e1ad1ef8db59657660b40978f2b		 decompressed-pdf-stream PDF FlateDecoded stream at offset 0x2A1E2 6976 bytes
font_00_sfnt_off00023a29.bin
880e53e6f12106514012eaabb19a261b9f8ae03d695445fc59a5b9b5a1293281		 pdf-font-stream PDF embedded font (sfnt) at offset 0x23A29 3556 bytes
font_01_sfnt_off000247ac.bin
f25ceb39b2af8521c5d7aab6e6daf11725b415d2412715fa7b39f1da99ccadfd		 pdf-font-stream PDF embedded font (sfnt) at offset 0x247AC 15044 bytes
font_02_sfnt_off0002762b.bin
42e1f1e50f305e0dee048c4a0b5f3e7b762a2d828cc5d703fce89de2c95e413e		 pdf-font-stream PDF embedded font (sfnt) at offset 0x2762B 14796 bytes
font_04_sfnt_off0002b612.bin
819f9cc5156bfe3dae03045446d677a19b5879270357875344f9514601da73e3		 pdf-font-stream PDF embedded font (sfnt) at offset 0x2B612 6084 bytes
font_05_sfnt_off0002c5a7.bin
9364d8c42993f0db1eb41a63b15a48dd56cef5056a611ab8e91dd81183a5a95e		 pdf-font-stream PDF embedded font (sfnt) at offset 0x2C5A7 3752 bytes

Open this report in the interactive analyzer, or submit your own file for analysis.