Malicious PDF — malware analysis report

Static analysis result for SHA-256 e4ab1c6e323166ff…

MALICIOUS

PDF

187.9 KB Created: 2015-07-24 11:30:14 +03:00 Authoring application: wkhtmltopdf 0.12.2.1 (via Qt 4.8.6)
MD5: c0e3d6ae3dad7b45c4f51ca936d04024 SHA-1: 535659e3b90f5960000ff6e303fffbd448db459f SHA-256: e4ab1c6e323166ffb84cba3d62ef70a57e6b65894eb9bb11f7952b3eaa24c0bf
90 Risk Score

Malware Insights

MITRE ATT&CK
T1566.002 Spearphishing Attachment T1204.002 Malicious Link

The PDF file was flagged by a machine learning classifier and contains a direct link to a known malicious redirector infrastructure. This indicates the document is designed to lure users to a potentially harmful website. The embedded URL is the primary 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%B3%D0%B5%D1%80%D0%BE%D0%B8+%D0%BC%D0%B5%D1%87%D0%B0+%D0%B8+%D0%BC%D0%B0%D0%B3%D0%B8%D0%B8+3+wog+359+%D1%81%D0%BA%D0%B0%D1%87%D0%B0%D1%82%D1%8C+%D0%B1%D0%B5%D1%81%D0%BF%D0%BB%D0%B0%D1%82%D0%BD%D0%BE&charset=utf-8
    • http://fastpic.ru/
    • http://www.liveinternet.ru/click
    • http://img1.liveinternet.ru/images/attach/c/5//4185/4185264_skachat_demo_versiyu_medok_besplatno.pdf
    • http://img1.liveinternet.ru/images/attach/c/5//4187/4187181_modo_genie_skachat_dlya_android.pdf
    • http://img1.liveinternet.ru/images/attach/c/5//4185/4185193_maxprofit_skachat_crack.pdf

Extracted artifacts 6

Files carved from inside the sample during analysis.

FilenameKindSourceSize
font_00_sfnt_off00024848.bin
880e53e6f12106514012eaabb19a261b9f8ae03d695445fc59a5b9b5a1293281		 pdf-font-stream PDF embedded font (sfnt) at offset 0x24848 3556 bytes
font_01_sfnt_off000255cb.bin
96f818cb91e6e435b5fd3f7cb4112c894db7082629a938a4936272c8ba53c0f1		 pdf-font-stream PDF embedded font (sfnt) at offset 0x255CB 15256 bytes
font_02_sfnt_off0002852f.bin
bc8ccaa194c946119ed62daf9ade78c54fb5e678393932294e2f8c292f0ba9a6		 pdf-font-stream PDF embedded font (sfnt) at offset 0x2852F 14716 bytes
font_03_sfnt_off0002b09b.bin
98580d5eefb63b611f59a15bce3641b1948b70dbd5766defa9961c6369b325c3		 pdf-font-stream PDF embedded font (sfnt) at offset 0x2B09B 7288 bytes
font_04_sfnt_off0002c5ee.bin
819f9cc5156bfe3dae03045446d677a19b5879270357875344f9514601da73e3		 pdf-font-stream PDF embedded font (sfnt) at offset 0x2C5EE 6084 bytes
font_05_sfnt_off0002d583.bin
9364d8c42993f0db1eb41a63b15a48dd56cef5056a611ab8e91dd81183a5a95e		 pdf-font-stream PDF embedded font (sfnt) at offset 0x2D583 3752 bytes

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