Malicious PDF — malware analysis report

Static analysis result for SHA-256 1390bd5a76f91b6b…

MALICIOUS

PDF

185.8 KB Created: 2015-07-24 07:42:39 +03:00 Authoring application: wkhtmltopdf 0.12.2.1 (via Qt 4.8.6)
MD5: c69b8ede8c74cee193f09c8d25288a5d SHA-1: ec6325d267fcf3e733cadd94f12462a20bcb39bc SHA-256: 1390bd5a76f91b6b4e7d6c97d4460e6d4f5c7991529b76bd8aeb03fa90b2af49
92 Risk Score

Malware Insights

MITRE ATT&CK
T1566.001 Spearphishing Attachment

The PDF file was flagged as malicious by an ML classifier and contains a link to a known malicious redirector. This suggests the document is designed to lure users to a harmful website, likely for phishing or to download further malware. No scripts were extracted, but the presence of the malicious URL 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+facerig+%D0%BD%D0%B0+%D0%BA%D0%BE%D0%BC%D0%BF%D1%8C%D1%8E%D1%82%D0%B5%D1%80+%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/5//4185/4185007_kak_reshat_s1_egye_po_matematike_2015.pdf
    • http://img1.liveinternet.ru/images/attach/c/5//4189/4189255_adobe_premiere_pro_cs55_skachat_besplatno_russkaya_versiya.pdf
    • http://img0.liveinternet.ru/images/attach/c/5//4184/4184554_sims_3_polnaya_antologiya_19_v_1_skachat_torrent_besplatno.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_off00024126.bin
880e53e6f12106514012eaabb19a261b9f8ae03d695445fc59a5b9b5a1293281		 pdf-font-stream PDF embedded font (sfnt) at offset 0x24126 3556 bytes
font_01_sfnt_off00024ea9.bin
dd0eb637ad43d1ef0f7521b39070fe9de5aa32ee10c81b85255d9ea09ffb5e2d		 pdf-font-stream PDF embedded font (sfnt) at offset 0x24EA9 14836 bytes
font_02_sfnt_off00027ca6.bin
7b77e74f01e0eb0f040f9364d3264b246d2ebad5accb3c4d575cf705f7904f32		 pdf-font-stream PDF embedded font (sfnt) at offset 0x27CA6 14564 bytes
font_03_sfnt_off0002a7a5.bin
f970b18664f72e55df7d95f1e2cc461a8b96c07449b9cfe3ed31b3e94cf637da		 pdf-font-stream PDF embedded font (sfnt) at offset 0x2A7A5 7476 bytes
font_04_sfnt_off0002bd7d.bin
819f9cc5156bfe3dae03045446d677a19b5879270357875344f9514601da73e3		 pdf-font-stream PDF embedded font (sfnt) at offset 0x2BD7D 6084 bytes
font_05_sfnt_off0002cd12.bin
9364d8c42993f0db1eb41a63b15a48dd56cef5056a611ab8e91dd81183a5a95e		 pdf-font-stream PDF embedded font (sfnt) at offset 0x2CD12 3752 bytes

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