Malicious PDF — malware analysis report

Static analysis result for SHA-256 7065bce05d12fb07…

MALICIOUS

PDF

187.0 KB Created: 2015-07-27 00:18:43 +03:00 Authoring application: wkhtmltopdf 0.12.2.1 (via Qt 4.8.6)
MD5: 475d806ca07d7b608d2cc020c0a59303 SHA-1: 74eba04f717dc0f39d5423ab725d59f18ef96aa5 SHA-256: 7065bce05d12fb075d8951f5d6b73cd83bdce217e1ce88207ed0065c00839911
92 Risk Score

Malware Insights

MITRE ATT&CK
T1566.001 Spearphishing Attachment

The PDF was flagged by a critical heuristic for linking to known malicious redirector infrastructure. The ML classifier also strongly indicated maliciousness. While no scripts were extracted, the presence of a malicious URL suggests the document is designed to lure the user to a harmful site, likely for phishing or malware delivery. The document body content is not human-readable and appears to be artifactual data from the PDF creation tool.

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%94%D0%B8%D0%B4%D0%B0%D0%BA%D1%82%D0%B8%D1%87%D0%B5%D1%81%D0%BA%D0%B8%D0%B9+%D0%BC%D0%B0%D1%82%D0%B5%D1%80%D0%B8%D0%B0%D0%BB+%D0%BF%D0%BE+%D0%BC%D0%B0%D1%82%D0%B5%D0%BC%D0%B0%D1%82%D0%B8%D0%BA%D0%B5+3+%D0%BA%D0%BB%D0%B0%D1%81%D1%81+%D0%BA%D0%BE%D0%B7%D0%BB%D0%BE%D0%B2%D0%B0+%D0%B3%D0%B4%D0%B7&charset=utf-8
    • http://fastpic.ru/
    • http://www.liveinternet.ru/click
    • http://img0.liveinternet.ru/images/attach/c/5//4190/4190837_fiziognomika_lica_foto_primeruy.pdf
    • http://img0.liveinternet.ru/images/attach/c/5//4192/4192651_drayver_sony_vaio_pcg71211v.pdf
    • http://img1.liveinternet.ru/images/attach/c/5//4211/4211586_skachat_maynkraft_179_s_modami_cherez_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_off00024937.bin
880e53e6f12106514012eaabb19a261b9f8ae03d695445fc59a5b9b5a1293281		 pdf-font-stream PDF embedded font (sfnt) at offset 0x24937 3556 bytes
font_01_sfnt_off000256ba.bin
c2f056a1b9f252b3a00efc4b04d7ee17374e98f7cf27dd02f005bf4e357393c2		 pdf-font-stream PDF embedded font (sfnt) at offset 0x256BA 14304 bytes
font_02_sfnt_off000283d5.bin
8fcb0373def2089f4050d604114efab1fb90fd41090bcaab965e0072af246115		 pdf-font-stream PDF embedded font (sfnt) at offset 0x283D5 14468 bytes
font_03_sfnt_off0002ae81.bin
716a5d589261fdaceb6d48906364abb5527c28050718257c42c57bf533c6fe47		 pdf-font-stream PDF embedded font (sfnt) at offset 0x2AE81 6860 bytes
font_04_sfnt_off0002c248.bin
819f9cc5156bfe3dae03045446d677a19b5879270357875344f9514601da73e3		 pdf-font-stream PDF embedded font (sfnt) at offset 0x2C248 6084 bytes
font_05_sfnt_off0002d1dd.bin
9364d8c42993f0db1eb41a63b15a48dd56cef5056a611ab8e91dd81183a5a95e		 pdf-font-stream PDF embedded font (sfnt) at offset 0x2D1DD 3752 bytes

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