Malicious PDF — malware analysis report

Static analysis result for SHA-256 12e64059996aea0c…

MALICIOUS

PDF

366.3 KB Created: 2015-08-19 14:21:00 +03:00 Authoring application: wkhtmltopdf 0.12.2.4 (via Qt 4.8.6)
MD5: fb73cd19d487655d63547b272813a346 SHA-1: 9b25055d3f94488a4c2a1b07f559853a1fbc9b8f SHA-256: 12e64059996aea0c5ed2ac5ca1efbb8fe0e9d0535a780590b8269eeb6429f9f4
92 Risk Score

Malware Insights

MITRE ATT&CK
T1566.001 Spearphishing Attachment

The PDF contains a link to a known malicious redirector, indicating an attempt to lure the user to a harmful site. The ML classifier also flagged the document with high confidence. While no scripts were explicitly extracted, the presence of a malicious URL strongly suggests a phishing or malware distribution attempt.

Machine Learning

  • Nyx PDF Classifier malicious score 0.9946

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=%D0%A1%D0%BA%D0%B8%D0%BD%D1%8B+%D0%BF%D0%BE+%D0%BD%D0%B8%D0%BA%D0%B0%D0%BC+%D0%B2+%D0%BC%D0%B0%D0%B9%D0%BD%D0%BA%D1%80%D0%B0%D1%84%D1%82+152+%D1%81+%D0%BF%D0%BB%D0%B0%D1%89%D0%B0%D0%BC%D0%B8+%D0%B4%D0%BB%D1%8F+%D0%BC%D0%B0%D0%BB%D1%8C%D1%87%D0%B8%D0%BA%D0%BE%D0%B2&charset=utf-8
    • http://img0.liveinternet.ru/images/attach/c/6//4626/4626793_skachat_vord_2010_besplatno_dlya_vindovs_8_cherez_torrent.pdf
    • http://img0.liveinternet.ru/images/attach/c/6//4626/4626533_skachat_programmu_dlya_razdevaniya_foto.pdf
    • http://img0.liveinternet.ru/images/attach/c/6//4626/4626678_katriona_4_voshod_chernoy_zvezduy_skachat_fb2.pdf

Extracted artifacts 2

Files carved from inside the sample during analysis.

FilenameKindSourceSize
font_00_sfnt_off0005708c.bin
1a264b1e759442371c23ad2931d2e1edccb3aee055efb3539749d382412b59c7		 pdf-font-stream PDF embedded font (sfnt) at offset 0x5708C 9864 bytes
font_01_sfnt_off00058c1e.bin
b183e861f83d83d044601d1c6067d8b2d91a0d8ea1da19041f0dce520067cd6e		 pdf-font-stream PDF embedded font (sfnt) at offset 0x58C1E 14256 bytes

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