Malicious PDF — malware analysis report

Static analysis result for SHA-256 abfdcb0fe6401334…

MALICIOUS

PDF

186.0 KB Created: 2015-08-06 11:50:34 +03:00 Authoring application: wkhtmltopdf 0.12.2.1 (via Qt 4.8.6)
MD5: 36c457d96c72a7f6dd990d6ddbd9a151 SHA-1: a4d1d816cf0653e8e0d28e430c7936225ca93e48 SHA-256: abfdcb0fe64013340781abf2cff401e33b6bef09e795ff0950afcce97468bbfb
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 critical heuristic indicating a malicious redirector link. The embedded URL, http://botcraftman.ru/, is the primary indicator of malicious activity. This suggests the document is designed to lure users to a malicious site, likely for further exploitation or credential harvesting.

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=%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+%D0%B2%D0%B8%D0%B4%D0%B5%D0%BE+%D0%BF%D1%80%D0%BE+%D0%BB%D0%BE%D0%BD%D0%B4%D0%BE%D0%BD&charset=utf-8
    • http://fastpic.ru/
    • http://www.liveinternet.ru/click
    • http://img0.liveinternet.ru/images/attach/c/6//4308/4308028_skachat_igru_gubka_bob_kvadratnuye_shtanuy_korona_neptuna.pdf
    • http://img1.liveinternet.ru/images/attach/c/6//4305/4305854_kontrolnaya_rabota_po_himii_9_klass_organicheskie_veschestva.pdf
    • http://img0.liveinternet.ru/images/attach/c/6//4306/4306075_naruto_2_sezon_vse_serii_ozvuchka_2h2.pdf

Extracted artifacts 6

Files carved from inside the sample during analysis.

FilenameKindSourceSize
font_00_sfnt_off000245bb.bin
880e53e6f12106514012eaabb19a261b9f8ae03d695445fc59a5b9b5a1293281		 pdf-font-stream PDF embedded font (sfnt) at offset 0x245BB 3556 bytes
font_01_sfnt_off0002533e.bin
07b392043ffee3364edf52870b9ab2d541a4cccb54cd55ccb5394079175bf817		 pdf-font-stream PDF embedded font (sfnt) at offset 0x2533E 14272 bytes
font_02_sfnt_off00028017.bin
c33e6903d76079777c1b082a355654bfa5653b97afd40bc3e5344b34556d24bd		 pdf-font-stream PDF embedded font (sfnt) at offset 0x28017 14468 bytes
font_03_sfnt_off0002aac9.bin
cb9d393bf6b33a58ec0571f5039e20ef82005d9aef4ff70cbc8dec8661905c5d		 pdf-font-stream PDF embedded font (sfnt) at offset 0x2AAC9 6708 bytes
font_04_sfnt_off0002be08.bin
819f9cc5156bfe3dae03045446d677a19b5879270357875344f9514601da73e3		 pdf-font-stream PDF embedded font (sfnt) at offset 0x2BE08 6084 bytes
font_05_sfnt_off0002cd9d.bin
9364d8c42993f0db1eb41a63b15a48dd56cef5056a611ab8e91dd81183a5a95e		 pdf-font-stream PDF embedded font (sfnt) at offset 0x2CD9D 3752 bytes

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