Malicious PDF — malware analysis report

Static analysis result for SHA-256 15fa62986fecda0b…

MALICIOUS

PDF

185.5 KB Created: 2015-08-08 12:17:05 +03:00 Authoring application: wkhtmltopdf 0.12.2.1 (via Qt 4.8.6)
MD5: 6f7f7c2e639740300bf2768c5a1b8c4f SHA-1: 18dbb9eb48ee7d85b43adbc4fe7263ac98e4bb83 SHA-256: 15fa62986fecda0bb1078a7034bc8d89fc7208ce13139d72a2f992da11674e48
92 Risk Score

Malware Insights

MITRE ATT&CK
T1566.001 Spearphishing Attachment

The PDF contains a link to a known malicious redirector infrastructure, 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 explicitly extracted, the PDF structure and embedded links suggest a malicious intent to redirect users, likely for phishing or malware delivery.

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%BC%D1%83%D0%BB%D1%8C%D1%82%D1%84%D0%B8%D0%BB%D1%8C%D0%BC%D1%8B+%D0%BD%D0%B0+%D1%82%D0%B5%D0%BB%D0%B5%D1%84%D0%BE%D0%BD+320%D1%85240+%D0%B1%D0%B5%D1%81%D0%BF%D0%BB%D0%B0%D1%82%D0%BD%D0%BE&charset=utf-8
    • http://fastpic.ru/
    • http://www.liveinternet.ru/click
    • http://img1.liveinternet.ru/images/attach/c/6//4385/4385827_skachat_chituy_na_kontr_strayk_sours.pdf
    • http://img0.liveinternet.ru/images/attach/c/6//4386/4386585_skachat_dsploit_rus_na_android.pdf
    • http://img1.liveinternet.ru/images/attach/c/6//4385/4385516_virtual_hottie_2_skachat_torrent.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_off00024224.bin
880e53e6f12106514012eaabb19a261b9f8ae03d695445fc59a5b9b5a1293281		 pdf-font-stream PDF embedded font (sfnt) at offset 0x24224 3556 bytes
font_01_sfnt_off00024fa7.bin
cdaf1611145e447f0f9b8d583a041ba2013bbeb1d8fb151a25494be9e8b01c95		 pdf-font-stream PDF embedded font (sfnt) at offset 0x24FA7 14252 bytes
font_02_sfnt_off00027bf6.bin
2feef62fe7f6a5403843cb310c70e31ce2855227ebd748cdeef94738427f9732		 pdf-font-stream PDF embedded font (sfnt) at offset 0x27BF6 14532 bytes
font_03_sfnt_off0002a6e4.bin
d67688948e999294bc7a6edfb04e582a4743038a36797d68afe723aeddcd7893		 pdf-font-stream PDF embedded font (sfnt) at offset 0x2A6E4 7276 bytes
font_04_sfnt_off0002bc45.bin
819f9cc5156bfe3dae03045446d677a19b5879270357875344f9514601da73e3		 pdf-font-stream PDF embedded font (sfnt) at offset 0x2BC45 6084 bytes
font_05_sfnt_off0002cbda.bin
9364d8c42993f0db1eb41a63b15a48dd56cef5056a611ab8e91dd81183a5a95e		 pdf-font-stream PDF embedded font (sfnt) at offset 0x2CBDA 3752 bytes

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