Malicious PDF — malware analysis report

Static analysis result for SHA-256 13cdb43295c24729…

MALICIOUS

PDF

186.2 KB Created: 2015-07-24 23:34:10 +03:00 Authoring application: wkhtmltopdf 0.12.2.1 (via Qt 4.8.6)
MD5: f3f082f0ef19aad305ed53bf081bee56 SHA-1: 40e5e686de30fe3924fb4a66c4ecf423b2ff5406 SHA-256: 13cdb43295c24729359486b4bba9793b0492ba35040a987f9d62a739cbbfc702
92 Risk Score

Malware Insights

MITRE ATT&CK
T1566.001 Spearphishing Attachment

The PDF document was flagged as malicious due to an embedded link pointing to the known malicious domain 'botcraftman.ru'. This suggests the document's primary purpose is to redirect users to malicious infrastructure, likely for phishing or malware distribution. No scripts were extracted, but the presence of a malicious redirector is a strong 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=%D1%84%D0%BB%D0%B8%D0%B1%D1%83%D1%81%D1%82%D0%B0+%D1%81%D0%BA%D0%B0%D1%87%D0%B0%D1%82%D1%8C+%D0%BA%D0%BD%D0%B8%D0%B3%D0%B8+%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//4193/4193048_arma_2_operaciya_strela_skachat_torrent.pdf
    • http://img0.liveinternet.ru/images/attach/c/5//4188/4188741_filmuy_katastrofuy_skachat_torrent.pdf
    • http://img0.liveinternet.ru/images/attach/c/5//4192/4192431_whatsapp_dlya_nokia_s3_00_skachat_besplatno.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_off0002450c.bin
880e53e6f12106514012eaabb19a261b9f8ae03d695445fc59a5b9b5a1293281		 pdf-font-stream PDF embedded font (sfnt) at offset 0x2450C 3556 bytes
font_01_sfnt_off0002528f.bin
ddcf4b4b88c733d5d606c2b6116ce4445a801dbc640e67057008ca007d489621		 pdf-font-stream PDF embedded font (sfnt) at offset 0x2528F 15252 bytes
font_02_sfnt_off00028184.bin
c33e6903d76079777c1b082a355654bfa5653b97afd40bc3e5344b34556d24bd		 pdf-font-stream PDF embedded font (sfnt) at offset 0x28184 14468 bytes
font_03_sfnt_off0002ac36.bin
15c0ddb2dbbbb9dc140ead179bc77d5365823bc0925113be30b3e2ae48b4a014		 pdf-font-stream PDF embedded font (sfnt) at offset 0x2AC36 6544 bytes
font_04_sfnt_off0002beec.bin
819f9cc5156bfe3dae03045446d677a19b5879270357875344f9514601da73e3		 pdf-font-stream PDF embedded font (sfnt) at offset 0x2BEEC 6084 bytes
font_05_sfnt_off0002ce81.bin
9364d8c42993f0db1eb41a63b15a48dd56cef5056a611ab8e91dd81183a5a95e		 pdf-font-stream PDF embedded font (sfnt) at offset 0x2CE81 3752 bytes

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