Malicious PDF — malware analysis report

Static analysis result for SHA-256 1725c43bf65afca3…

MALICIOUS

PDF

185.9 KB Created: 2015-08-08 10:47:26 +03:00 Authoring application: wkhtmltopdf 0.12.2.1 (via Qt 4.8.6)
MD5: 20f4acab67ca30b216c424ae8da889fc SHA-1: 709419059c06b2df84f13a6271b8aceb003d9dc2 SHA-256: 1725c43bf65afca33de36377e63fb051a4c6cc618b6dfbd26ac79b941e5aeb9e
92 Risk Score

Malware Insights

MITRE ATT&CK
T1566.001 Spearphishing Attachment

The PDF contains an embedded link to botcraftman.ru, which is flagged as a malicious redirector. This indicates the document is likely intended to lure the user to a malicious site, potentially for downloading malware or phishing for credentials. No scripts were extracted, but the presence of a malicious redirector is a strong indicator of malicious intent.

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=%D1%81%D0%BA%D0%B0%D1%87%D0%B0%D1%82%D1%8C+%D0%B8%D0%B3%D1%80%D1%83+overlord+2+%D1%87%D0%B5%D1%80%D0%B5%D0%B7+%D1%82%D0%BE%D1%80%D1%80%D0%B5%D0%BD%D1%82&charset=utf-8
    • http://fastpic.ru/
    • http://www.liveinternet.ru/click
    • http://img1.liveinternet.ru/images/attach/c/6//4385/4385853_torrent_tv_dlya_android_skachat.pdf
    • http://img0.liveinternet.ru/images/attach/c/5//4226/4226849_microsoft_word_skachat_besplatno.pdf
    • http://img1.liveinternet.ru/images/attach/c/6//4385/4385817_intellektika_3_klass_otvetuy_skachat.pdf
    • http://www.microsoft.com/typography/fonts/
    • http://www.microsoft.com/typography/fonts/You

Extracted artifacts 6

Files carved from inside the sample during analysis.

FilenameKindSourceSize
font_00_sfnt_off00024331.bin
880e53e6f12106514012eaabb19a261b9f8ae03d695445fc59a5b9b5a1293281		 pdf-font-stream PDF embedded font (sfnt) at offset 0x24331 3556 bytes
font_01_sfnt_off000250b4.bin
3f2f9d29cd3c0284720b8510e037a47aed4638ba52ab3fe1d3b089fd5aa6aaaf		 pdf-font-stream PDF embedded font (sfnt) at offset 0x250B4 14744 bytes
font_02_sfnt_off00027f01.bin
371a247579f94563aad24d5dc6aabd9b46ebc46e7f74d82c0960a0ef2e3f57c9		 pdf-font-stream PDF embedded font (sfnt) at offset 0x27F01 14516 bytes
font_03_sfnt_off0002a9e3.bin
9e01258ead0dcf2e5e138cc69daffb1c5ab59938abd017d165f46ec172416042		 pdf-font-stream PDF embedded font (sfnt) at offset 0x2A9E3 6900 bytes
font_04_sfnt_off0002bdf5.bin
819f9cc5156bfe3dae03045446d677a19b5879270357875344f9514601da73e3		 pdf-font-stream PDF embedded font (sfnt) at offset 0x2BDF5 6084 bytes
font_05_sfnt_off0002cd8a.bin
9364d8c42993f0db1eb41a63b15a48dd56cef5056a611ab8e91dd81183a5a95e		 pdf-font-stream PDF embedded font (sfnt) at offset 0x2CD8A 3752 bytes

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