Malicious PDF — malware analysis report

Static analysis result for SHA-256 89224d59535ab247…

MALICIOUS

PDF

186.8 KB Created: 2015-07-27 01:03:08 +03:00 Authoring application: wkhtmltopdf 0.12.2.1 (via Qt 4.8.6)
MD5: 9ae2407a2e3a951f7de17ce072eb8eb4 SHA-1: 372b0532b058f5a0e882769e9d71cf84542f272d SHA-256: 89224d59535ab247d5ce06c765848685e5ff295ee60a987240de28e6314672e5
90 Risk Score

Malware Insights

MITRE ATT&CK
T1566.002 Spearphishing Attachment T1059.001 PowerShell

The PDF file was flagged by a machine learning classifier and contains a direct link to a known malicious redirector. This indicates the document's primary purpose is to lure the user to a potentially harmful website. No scripts were extracted, limiting further analysis of the delivery mechanism.

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%B5%D0%B3%D1%8D+%D0%BF%D0%BE+%D1%80%D1%83%D1%81%D1%81%D0%BA%D0%BE%D0%BC%D1%83+%D1%8F%D0%B7%D1%8B%D0%BA%D1%83+2015+%D1%82%D0%B5%D1%81%D1%82%D1%8B+%D1%81+%D0%BE%D1%82%D0%B2%D0%B5%D1%82%D0%B0%D0%BC%D0%B8&charset=utf-8
    • http://fastpic.ru/
    • http://www.liveinternet.ru/click
    • http://img0.liveinternet.ru/images/attach/c/5//4186/4186053_rannie_sroki_beremennosti_radzinskiy_skachat.pdf
    • http://img0.liveinternet.ru/images/attach/c/5//4184/4184869_skachat_vord_dlya_android.pdf
    • http://img1.liveinternet.ru/images/attach/c/5//4209/4209494_shrek_1_igra_skachat_torrent.pdf

Extracted artifacts 6

Files carved from inside the sample during analysis.

FilenameKindSourceSize
font_00_sfnt_off00024525.bin
880e53e6f12106514012eaabb19a261b9f8ae03d695445fc59a5b9b5a1293281		 pdf-font-stream PDF embedded font (sfnt) at offset 0x24525 3556 bytes
font_01_sfnt_off000252a8.bin
5d78ee0be0a4e872348d8038f679abba7951c93931614bfd2c01ac59a9ccef9e		 pdf-font-stream PDF embedded font (sfnt) at offset 0x252A8 15004 bytes
font_02_sfnt_off00028174.bin
b03431e222d44cbb2c55973e6892dc1839bc5e294984da8556cb62077510a9bf		 pdf-font-stream PDF embedded font (sfnt) at offset 0x28174 14640 bytes
font_03_sfnt_off0002acac.bin
e840b7b60e65eaa059eef1652c8275d39e88b169c4223b9942ec54a4fbee0bfe		 pdf-font-stream PDF embedded font (sfnt) at offset 0x2ACAC 7124 bytes
font_04_sfnt_off0002c185.bin
819f9cc5156bfe3dae03045446d677a19b5879270357875344f9514601da73e3		 pdf-font-stream PDF embedded font (sfnt) at offset 0x2C185 6084 bytes
font_05_sfnt_off0002d11a.bin
9364d8c42993f0db1eb41a63b15a48dd56cef5056a611ab8e91dd81183a5a95e		 pdf-font-stream PDF embedded font (sfnt) at offset 0x2D11A 3752 bytes

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