Malicious PDF — malware analysis report

Static analysis result for SHA-256 023d27e70d85de43…

MALICIOUS

PDF

357.9 KB Created: 2015-08-22 09:07:35 +03:00 Authoring application: wkhtmltopdf 0.12.2.4 (via Qt 4.8.6)
MD5: fc38d050786df3753c5d777808c0c18f SHA-1: 55c80135619921f2adc300bfeefa52d4b5fbcd37 SHA-256: 023d27e70d85de439e0301f15e57f8864e893f5b583aaa1743c990e9734b0280
92 Risk Score

Malware Insights

MITRE ATT&CK
T1566.001 Spearphishing Attachment

The PDF contains a critical heuristic firing indicating it links to known malicious redirector infrastructure. The ML classifier also strongly flagged this PDF as malicious. The embedded URL is the primary indicator of malicious intent, likely serving as a lure for a phishing attack or to download a secondary payload.

Machine Learning

  • Nyx PDF Classifier malicious score 0.9980

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%BC%D0%B0%D0%B9%D0%BD%D0%BA%D1%80%D0%B0%D1%84%D1%82+080+%D0%BD%D0%B0+%D0%BF%D0%BB%D0%B0%D0%BD%D1%88%D0%B5%D1%82&charset=utf-8
    • http://img0.liveinternet.ru/images/attach/c/6//4674/4674632_kaligula_2_smotret_onlayn_besplatno_na_russkom_yazuyke.pdf
    • http://img0.liveinternet.ru/images/attach/c/6//4674/4674553_takdir_uyini_uzbek_tilida_25_seriya.pdf
    • http://img0.liveinternet.ru/images/attach/c/6//4674/4674656_skachat_programmu_dlya_nakrutki_okov_v_odnoklassnikah.pdf

Extracted artifacts 2

Files carved from inside the sample during analysis.

FilenameKindSourceSize
font_00_sfnt_off000551c4.bin
a8db1319227b9d0af9fb761108c12c6ad6bfce5f3ec454092e93bde47b0a1c97		 pdf-font-stream PDF embedded font (sfnt) at offset 0x551C4 9632 bytes
font_01_sfnt_off00056cde.bin
d3a5efffef83b035399d8d9d2cf48750ab6d966e4218f892079f951449d3df0b		 pdf-font-stream PDF embedded font (sfnt) at offset 0x56CDE 13648 bytes

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