Malicious PDF — malware analysis report

Static analysis result for SHA-256 9e0945100796b0ab…

MALICIOUS

PDF

184.8 KB Created: 2015-08-05 15:50:48 +03:00 Authoring application: wkhtmltopdf 0.12.2.1 (via Qt 4.8.6)
MD5: db32f8f22f6fc92096374d609524c11b SHA-1: b9227506aa3f99b0674afbed3d5bbd010541da7d SHA-256: 9e0945100796b0ab99ca781686de1d4c5173274964fd213f913a86dfc7f7a867
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 is designed to lure users to a malicious website. No scripts were extracted, and the document body was truncated, limiting further analysis of the exact lure.

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%B0%D0%BA%D1%83%D1%88%D0%B5%D1%80%D1%81%D1%82%D0%B2%D0%BE+%D1%80%D1%83%D0%BA%D0%BE%D0%B2%D0%BE%D0%B4%D1%81%D1%82%D0%B2%D0%BE+%D0%B0%D0%B9%D0%BB%D0%B0%D0%BC%D0%B0%D0%B7%D1%8F%D0%BD&charset=utf-8
    • http://fastpic.ru/
    • http://www.liveinternet.ru/click
    • http://img0.liveinternet.ru/images/attach/c/6//4304/4304912_dogovor_na_okazanie_uslug_fizicheskim_licom.pdf
    • http://img1.liveinternet.ru/images/attach/c/6//4305/4305992_oshibka_programmirovaniya_koda_po_adresu_0000h.pdf
    • http://img1.liveinternet.ru/images/attach/c/6//4305/4305052_monitoring_serverov_maynkraft_152_s_horoshim_kit_starterom.pdf

Extracted artifacts 6

Files carved from inside the sample during analysis.

FilenameKindSourceSize
font_00_sfnt_off00024101.bin
880e53e6f12106514012eaabb19a261b9f8ae03d695445fc59a5b9b5a1293281		 pdf-font-stream PDF embedded font (sfnt) at offset 0x24101 3556 bytes
font_01_sfnt_off00024e84.bin
58665817de3576ee0405d9ee47c6db11e1e342c30283a33bc46786e379046ce1		 pdf-font-stream PDF embedded font (sfnt) at offset 0x24E84 14060 bytes
font_02_sfnt_off00027ad1.bin
d9775475238cab7937fa4e35d65fbe93a357e8a9e242d68b4cc886ecd1dec298		 pdf-font-stream PDF embedded font (sfnt) at offset 0x27AD1 14520 bytes
font_03_sfnt_off0002a5a0.bin
63561ecc6dba9316204be1a96efea667cbbde399478d4ba7445a76e31f0d72b1		 pdf-font-stream PDF embedded font (sfnt) at offset 0x2A5A0 6820 bytes
font_04_sfnt_off0002b951.bin
819f9cc5156bfe3dae03045446d677a19b5879270357875344f9514601da73e3		 pdf-font-stream PDF embedded font (sfnt) at offset 0x2B951 6084 bytes
font_05_sfnt_off0002c8e6.bin
9364d8c42993f0db1eb41a63b15a48dd56cef5056a611ab8e91dd81183a5a95e		 pdf-font-stream PDF embedded font (sfnt) at offset 0x2C8E6 3752 bytes

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