Malicious PDF — malware analysis report

Static analysis result for SHA-256 700e90311095a280…

MALICIOUS

PDF

356.3 KB Created: 2015-08-20 08:45:47 +03:00 Authoring application: wkhtmltopdf 0.12.2.4 (via Qt 4.8.6)
MD5: 36e24ee8dad9fc42338eaa6f4bc8df3c SHA-1: d8c906d5b1a373b61133261d4271b37677e91608 SHA-256: 700e90311095a280ccf0633d8b016474f5448d73dd1333034fc5071eef1330e5
92 Risk Score

Malware Insights

MITRE ATT&CK
T1566.001 Spearphishing Attachment

The PDF file was flagged by a machine learning classifier and contains a critical heuristic indicating a malicious redirector link. The embedded URL 'http://botcraftman.ru/...' is known to lead to malicious infrastructure. While no scripts were extracted, the presence of a malicious link strongly suggests an attempt to lure the user to a compromised site, likely for phishing or further malware delivery.

Machine Learning

  • Nyx PDF Classifier malicious score 0.9979

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%92%D1%80%D0%B5%D0%BC%D1%8F-%D1%82%D0%BE%D0%BA%D0%BE%D0%B2%D1%8B%D0%B5+%D1%85%D0%B0%D1%80%D0%B0%D0%BA%D1%82%D0%B5%D1%80%D0%B8%D1%81%D1%82%D0%B8%D0%BA%D0%B8+%D0%B0%D0%B2%D1%82%D0%BE%D0%BC%D0%B0%D1%82%D0%B0+%D0%B03134&charset=utf-8
    • http://img1.liveinternet.ru/images/attach/c/6//4639/4639474_skachat_moduy_dlya_farming_simulator_2013_russkaya_tehnika.pdf
    • http://img1.liveinternet.ru/images/attach/c/6//4639/4639590_gruppa_speys_kosmicheskaya_muzuyka_skachat_torrent.pdf
    • http://img1.liveinternet.ru/images/attach/c/6//4639/4639143_skachat_ks_16_s_vstroennuym_vh.pdf

Extracted artifacts 2

Files carved from inside the sample during analysis.

FilenameKindSourceSize
font_00_sfnt_off00054899.bin
480d356b235734533bfa8a2596f66bfe53c622a8bffcf3bcf0f20a0ac3f38f85		 pdf-font-stream PDF embedded font (sfnt) at offset 0x54899 7852 bytes
font_01_sfnt_off00055fb8.bin
41891fe43c944b1343590d1fe089f84a2bc1cc69d38eb961dba5908fe5b10239		 pdf-font-stream PDF embedded font (sfnt) at offset 0x55FB8 16048 bytes

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