Malicious PDF — malware analysis report

Static analysis result for SHA-256 08ad48b4a5dc0f50…

MALICIOUS

PDF

350.2 KB Created: 2015-08-21 09:32:02 +03:00 Authoring application: wkhtmltopdf 0.12.2.4 (via Qt 4.8.6)
MD5: b77d1dce0f24950309739927528b1ede SHA-1: b7c2b16bf42f58e92cd860d994a7af25b81fb918 SHA-256: 08ad48b4a5dc0f50b73d69d4a8400aad1c6b7f5ffd8c101cc4529e41e527f195
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 this PDF with high confidence. While no scripts were extracted, the embedded URL is the primary indicator of malicious intent, likely serving as a downloader or phishing lure.

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=%D0%91%D0%B0%D0%B7%D0%B0+%D0%B4%D0%B0%D0%BD%D0%BD%D1%8B%D1%85+%D0%B3%D0%B8%D0%B1%D0%B4%D0%B4+2013+%D1%82%D0%BE%D1%80%D1%80%D0%B5%D0%BD%D1%82&charset=utf-8
    • http://img0.liveinternet.ru/images/attach/c/6//4654/4654836_darya_doncova_skachat_knigi_besplatno_v_formate_txt.pdf
    • http://img0.liveinternet.ru/images/attach/c/6//4654/4654747_solidworks_skachat_besplatno_russkaya_versiya_bez_registracii.pdf
    • http://img0.liveinternet.ru/images/attach/c/6//4654/4654762_evro_trak_simulyator_3_skachat_torrent.pdf

Extracted artifacts 2

Files carved from inside the sample during analysis.

FilenameKindSourceSize
font_00_sfnt_off00052c17.bin
1d79f07ebc92e4d0ac77eec67b8589c8f1fe24d078939ee04a34a5c87484e907		 pdf-font-stream PDF embedded font (sfnt) at offset 0x52C17 10344 bytes
font_01_sfnt_off0005484c.bin
aa3c060a2175b3fdfe430de9d6f8c5d5f23e7de267e3d8d6f81838bd09b856a6		 pdf-font-stream PDF embedded font (sfnt) at offset 0x5484C 15644 bytes

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