Malicious PDF — malware analysis report

Static analysis result for SHA-256 6424610d42f375d4…

MALICIOUS

PDF

185.6 KB Created: 2015-07-24 11:03:37 +03:00 Authoring application: wkhtmltopdf 0.12.2.1 (via Qt 4.8.6)
MD5: 40c207056de4f43c07307f60e846de26 SHA-1: 30f0dbd18c6db15f23bc6b468ebb5f3891b050d1 SHA-256: 6424610d42f375d4ca25dabb4f334c5e8014b19cb2560c053470a8fe148715c6
92 Risk Score

Malware Insights

MITRE ATT&CK
T1566.001 Spearphishing Attachment

The PDF contains an embedded link identified as a malicious redirector. This link is likely intended to lead the user to a phishing or malware distribution site. No scripts were extracted, but the presence of a malicious URL strongly suggests a phishing or social engineering attack vector.

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%BD%D0%B5%D0%B4%D1%84%D0%BE%D1%80%D1%81%D0%BF%D0%B8%D0%B4+%D0%BC%D0%BE%D1%81%D1%82+%D0%B2%D0%B0%D0%BD%D1%82%D0%B5%D0%B4+%D1%81%D0%BA%D0%B0%D1%87%D0%B0%D1%82%D1%8C+%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//4183/4183196_lazer_svoimi_rukami_shema.pdf
    • http://img1.liveinternet.ru/images/attach/c/5//4191/4191746_skachat_serial_mech_2.pdf
    • http://img1.liveinternet.ru/images/attach/c/5//4191/4191875_crack_dlya_fifa_14.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_off0002442a.bin
880e53e6f12106514012eaabb19a261b9f8ae03d695445fc59a5b9b5a1293281		 pdf-font-stream PDF embedded font (sfnt) at offset 0x2442A 3556 bytes
font_01_sfnt_off000251ad.bin
ac39bad792ffd27fcd838c4053e1b993943589c5448109cf6a2b501fdc3a7866		 pdf-font-stream PDF embedded font (sfnt) at offset 0x251AD 14572 bytes
font_02_sfnt_off00027ec5.bin
dbc3da39f0035cfe760ab64a497eec5c4b1ebe4f79fbba732b355541a3d7ec37		 pdf-font-stream PDF embedded font (sfnt) at offset 0x27EC5 14468 bytes
font_03_sfnt_off0002a979.bin
1f4831715a498942e9754b1f34b29a5fef9365c448dda4c542d0bcf09e5f7f94		 pdf-font-stream PDF embedded font (sfnt) at offset 0x2A979 6688 bytes
font_04_sfnt_off0002bca2.bin
819f9cc5156bfe3dae03045446d677a19b5879270357875344f9514601da73e3		 pdf-font-stream PDF embedded font (sfnt) at offset 0x2BCA2 6084 bytes
font_05_sfnt_off0002cc37.bin
9364d8c42993f0db1eb41a63b15a48dd56cef5056a611ab8e91dd81183a5a95e		 pdf-font-stream PDF embedded font (sfnt) at offset 0x2CC37 3752 bytes

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