Malicious PDF — malware analysis report

Static analysis result for SHA-256 751e5dad9640d8b6…

MALICIOUS

PDF

186.2 KB Created: 2015-07-24 08:54:17 +03:00 Authoring application: wkhtmltopdf 0.12.2.1 (via Qt 4.8.6)
MD5: 5b31a4d2b217ec1b4e40bdf5ef973db8 SHA-1: 2c11ca99bad11f9f9ac3cdabd934a7d142d34526 SHA-256: 751e5dad9640d8b67ba4f46370ab292a764b2edd7b23072133940998a389aca9
92 Risk Score

Malware Insights

MITRE ATT&CK
T1566.001 Spearphishing Attachment

The PDF document was flagged by multiple heuristics as malicious, specifically for containing a link to known malicious redirector infrastructure. The embedded URL, http://botcraftman.ru/..., is highly suspicious and likely leads to further malicious content or phishing attempts. No scripts were extracted, but the presence of a malicious link is sufficient evidence of a phishing or redirection attack.

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=%D0%B1%D0%B0%D1%81%D1%82%D0%B0+-+%D0%B1%D0%BE%D0%BB%D1%8C%D1%88%D0%BE%D0%B9+%D0%BA%D0%BE%D0%BD%D1%86%D0%B5%D1%80%D1%82+%D0%B2+%D0%BA%D1%80%D0%BE%D0%BA%D1%83%D1%81+%D1%81%D0%B8%D1%82%D0%B8+%D1%85%D0%BE%D0%BB%D0%BB+%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/5//4185/4185421_skachat_magic_bullet_looks_dlya_sony_vegas_11.pdf
    • http://img0.liveinternet.ru/images/attach/c/5//4184/4184537_bitva_yekstrasensov_3_sezon_skachat_torrent.pdf
    • http://img0.liveinternet.ru/images/attach/c/5//4184/4184263_skachat_mod_na_maynkraft_152_apokalipsis.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_off00024474.bin
880e53e6f12106514012eaabb19a261b9f8ae03d695445fc59a5b9b5a1293281		 pdf-font-stream PDF embedded font (sfnt) at offset 0x24474 3556 bytes
font_01_sfnt_off000251f7.bin
bd754b1cc775f781c25cc7bde7933510d03f549f14a3eea84c91c1dbc5ee79ad		 pdf-font-stream PDF embedded font (sfnt) at offset 0x251F7 14848 bytes
font_02_sfnt_off00028008.bin
32bf79b58e81062b5ee2f69bd356c1080632f725855a262d4fb0a43414d91924		 pdf-font-stream PDF embedded font (sfnt) at offset 0x28008 14588 bytes
font_03_sfnt_off0002ab19.bin
82d2df7ee1a2b418145bb6a154e15a91ddfb31137ace5a7139b9eedbf527720f		 pdf-font-stream PDF embedded font (sfnt) at offset 0x2AB19 6884 bytes
font_04_sfnt_off0002bee5.bin
819f9cc5156bfe3dae03045446d677a19b5879270357875344f9514601da73e3		 pdf-font-stream PDF embedded font (sfnt) at offset 0x2BEE5 6084 bytes
font_05_sfnt_off0002ce7a.bin
9364d8c42993f0db1eb41a63b15a48dd56cef5056a611ab8e91dd81183a5a95e		 pdf-font-stream PDF embedded font (sfnt) at offset 0x2CE7A 3752 bytes

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