Malicious PDF — malware analysis report

Static analysis result for SHA-256 0a477dbfcde00e35…

MALICIOUS

PDF

185.9 KB Created: 2015-08-08 09:48:03 +03:00 Authoring application: wkhtmltopdf 0.12.2.1 (via Qt 4.8.6)
MD5: 9cce9d268942872bc6e94caa24bb64e1 SHA-1: 13f832ddfe3923fdfc340ddad7e282cd3dfe21c6 SHA-256: 0a477dbfcde00e351abeb7363225d705427042e0b5e7225b76cf58712839249a
92 Risk Score

Malware Insights

MITRE ATT&CK
T1566.001 Spearphishing Attachment

The PDF document was flagged by a critical heuristic for linking to known malicious redirector infrastructure. The embedded URL, http://botcraftman.ru/..., is associated with malicious activity. While no scripts were extracted, the presence of this malicious link strongly suggests an attempt to redirect the user to a harmful site, likely for phishing or malware delivery.

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%9A%D0%B0%D0%BA+%D1%81%D0%B4%D0%B5%D0%BB%D0%B0%D1%82%D1%8C+%D0%B2%D0%B0%D0%B3%D0%B8%D0%BD%D1%83+%D0%B8%D0%B7+%D0%BF%D0%BE%D0%B4%D1%80%D1%83%D1%87%D0%BD%D1%8B%D0%B9+%D1%81%D1%80%D0%B5%D0%B4%D1%81%D1%82%D0%B2&charset=utf-8
    • http://fastpic.ru/
    • http://www.liveinternet.ru/click
    • http://img1.liveinternet.ru/images/attach/c/6//4383/4383816_skachat_igru_papinuy_dochki_edut_na_more_bez_klyucha.pdf
    • http://img0.liveinternet.ru/images/attach/c/6//4384/4384277_brother_hl1112r_drayver_skachat.pdf
    • http://img1.liveinternet.ru/images/attach/c/6//4383/4383804_reshebnik_po_yekonomike_10_11_klass_korolkva.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_off000244e0.bin
880e53e6f12106514012eaabb19a261b9f8ae03d695445fc59a5b9b5a1293281		 pdf-font-stream PDF embedded font (sfnt) at offset 0x244E0 3556 bytes
font_01_sfnt_off00025263.bin
d04a96f221d1309d2a538c6b5a41c2e4c28dd238be4d1113e10be2feacc2f772		 pdf-font-stream PDF embedded font (sfnt) at offset 0x25263 14392 bytes
font_02_sfnt_off00027ed3.bin
c33e6903d76079777c1b082a355654bfa5653b97afd40bc3e5344b34556d24bd		 pdf-font-stream PDF embedded font (sfnt) at offset 0x27ED3 14468 bytes
font_03_sfnt_off0002a985.bin
9ae5c15cb17bb6a6d4a28534355cc247e05a485ce81656f685d074e19042535b		 pdf-font-stream PDF embedded font (sfnt) at offset 0x2A985 7032 bytes
font_04_sfnt_off0002bdcf.bin
819f9cc5156bfe3dae03045446d677a19b5879270357875344f9514601da73e3		 pdf-font-stream PDF embedded font (sfnt) at offset 0x2BDCF 6084 bytes
font_05_sfnt_off0002cd64.bin
9364d8c42993f0db1eb41a63b15a48dd56cef5056a611ab8e91dd81183a5a95e		 pdf-font-stream PDF embedded font (sfnt) at offset 0x2CD64 3752 bytes

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