Malicious PDF — malware analysis report

Static analysis result for SHA-256 7e9e418d203c1b70…

MALICIOUS

PDF

187.6 KB Created: 2015-07-24 11:24:40 +03:00 Authoring application: wkhtmltopdf 0.12.2.1 (via Qt 4.8.6)
MD5: 133b4b86e035d62ced48e3e2d007da45 SHA-1: 3e0fe42a315dcc58333e8da78213e8492f66efca SHA-256: 7e9e418d203c1b70f2fde60bc308f788f61a5598123cf8973a66f800018a41bf
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 link to a known malicious redirector. This suggests the document is designed to lure users to a malicious website. No scripts were extracted, and the document body was truncated, limiting further analysis of the specific lure.

Machine Learning

  • Nyx PDF Classifier malicious score 0.9977

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%BA%D0%B0%D0%BA+%D0%B7%D0%B0%D1%80%D0%B5%D0%B3%D0%B8%D1%81%D1%82%D1%80%D0%B8%D1%80%D0%BE%D0%B2%D0%B0%D1%82%D1%8C%D1%81%D1%8F+%D0%B2+%D0%B8%D0%BD%D1%81%D1%82%D0%B0%D0%B3%D1%80%D0%B0%D0%BC%D0%B5+%D1%81+%D0%BA%D0%BE%D0%BC%D0%BF%D1%8C%D1%8E%D1%82%D0%B5%D1%80%D0%B0+%D0%B1%D0%B5%D0%B7+%D0%BF%D1%80%D0%BE%D0%B3%D1%80%D0%B0%D0%BC%D0%BC&charset=utf-8
    • http://fastpic.ru/
    • http://www.liveinternet.ru/click
    • http://img1.liveinternet.ru/images/attach/c/5//4187/4187080_skachat_narezki_na_telefon_besplatno_novinki_2014.pdf
    • http://img0.liveinternet.ru/images/attach/c/5//4184/4184324_happy_wheels_igrat_onlayn_besplatno_v_polnuyu_versiyu.pdf
    • http://img1.liveinternet.ru/images/attach/c/5//4191/4191691_ktp_po_angliyskomu_yazuyku_7_klass_biboletova.pdf

Extracted artifacts 6

Files carved from inside the sample during analysis.

FilenameKindSourceSize
font_00_sfnt_off00024a5c.bin
880e53e6f12106514012eaabb19a261b9f8ae03d695445fc59a5b9b5a1293281		 pdf-font-stream PDF embedded font (sfnt) at offset 0x24A5C 3556 bytes
font_01_sfnt_off000257df.bin
32f7dc7ef63b7d34d0ce967f243ee43b23226c7b2d7fbc188e17b4007c519ce6		 pdf-font-stream PDF embedded font (sfnt) at offset 0x257DF 14696 bytes
font_02_sfnt_off00028564.bin
2894a2e95f819f01c1e340b533698417996480c8c8e83cbe4142995621a3eef5		 pdf-font-stream PDF embedded font (sfnt) at offset 0x28564 14468 bytes
font_03_sfnt_off0002b014.bin
52009639aa8af9e243c96b658361d14d2b368d1a0384d0a5a5946accd527e595		 pdf-font-stream PDF embedded font (sfnt) at offset 0x2B014 7060 bytes
font_04_sfnt_off0002c468.bin
819f9cc5156bfe3dae03045446d677a19b5879270357875344f9514601da73e3		 pdf-font-stream PDF embedded font (sfnt) at offset 0x2C468 6084 bytes
font_05_sfnt_off0002d3fd.bin
9364d8c42993f0db1eb41a63b15a48dd56cef5056a611ab8e91dd81183a5a95e		 pdf-font-stream PDF embedded font (sfnt) at offset 0x2D3FD 3752 bytes

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