Malicious PDF — malware analysis report

Static analysis result for SHA-256 805369943058982c…

MALICIOUS

PDF

184.2 KB Created: 2015-07-23 21:06:54 +03:00 Authoring application: wkhtmltopdf 0.12.2.1 (via Qt 4.8.6)
MD5: 0d262ca690b2f5815365660db80f37b4 SHA-1: ae3b205279be777da6ecfea85dcd75f06c2f910a SHA-256: 805369943058982ce30be1d08f72f05ae4967048dbd989e18537250d19970b7b
92 Risk Score

Malware Insights

MITRE ATT&CK
T1566.001 Spearphishing Attachment

The PDF file was flagged by a machine learning classifier and contains a link to a known malicious redirector. This suggests the document is designed to lure users to a malicious website, likely for phishing or malware delivery. No scripts were extracted, but the presence of a 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=%D0%94%D0%BF+%D1%84%D0%BE%D1%82%D0%BE+%D0%B4%D0%BF+%D0%B2%D0%B8%D0%B4%D0%B5%D0%BE&charset=utf-8
    • http://fastpic.ru/
    • http://www.liveinternet.ru/click
    • http://img0.liveinternet.ru/images/attach/c/5//4184/4184290_razrabotka_urokov_v_nachalnuyh_klassah_v_uzbekistane.pdf
    • http://img0.liveinternet.ru/images/attach/c/5//4184/4184513_skachat_cherez_torrent_windows_xp_2015.pdf
    • http://img0.liveinternet.ru/images/attach/c/5//4184/4184783_skachat_akronis_s_klyuchom.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_off0002402b.bin
880e53e6f12106514012eaabb19a261b9f8ae03d695445fc59a5b9b5a1293281		 pdf-font-stream PDF embedded font (sfnt) at offset 0x2402B 3556 bytes
font_01_sfnt_off00024dae.bin
958948ff8822718e6814efd957e52847da07e7caec1ba201bd2cdc88487c95f3		 pdf-font-stream PDF embedded font (sfnt) at offset 0x24DAE 14664 bytes
font_02_sfnt_off00027bbc.bin
dde8cb3db78f49492d397de1013a074ab9c596bc0508faa33f94bd64189db0ac		 pdf-font-stream PDF embedded font (sfnt) at offset 0x27BBC 14468 bytes
font_03_sfnt_off0002a66f.bin
c894143e4b5eb99a6bda98ab8b8b4d1adc064c1be7da5a275526a0b0fb4a04c4		 pdf-font-stream PDF embedded font (sfnt) at offset 0x2A66F 5964 bytes
font_04_sfnt_off0002b6f2.bin
819f9cc5156bfe3dae03045446d677a19b5879270357875344f9514601da73e3		 pdf-font-stream PDF embedded font (sfnt) at offset 0x2B6F2 6084 bytes
font_05_sfnt_off0002c687.bin
9364d8c42993f0db1eb41a63b15a48dd56cef5056a611ab8e91dd81183a5a95e		 pdf-font-stream PDF embedded font (sfnt) at offset 0x2C687 3752 bytes

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