Malicious PDF — malware analysis report

Static analysis result for SHA-256 071ae62264092214…

MALICIOUS

PDF

184.9 KB Created: 2015-07-24 00:42:10 +03:00 Authoring application: wkhtmltopdf 0.12.2.1 (via Qt 4.8.6)
MD5: 046800849c39b0d4491ef84c18c150ec SHA-1: 6dc7a84fa6fca639189b82db536ccbd304ab32ff SHA-256: 071ae622640922149ae22465edf81a1de8a724ce3b806ce1b8ce254380d26e5f
92 Risk Score

Malware Insights

MITRE ATT&CK
T1566.001 Spearphishing Attachment

The PDF contains a link to a known malicious redirector, indicating an attempt to lure the user to a harmful site. The ML classifier also flagged this PDF with high confidence. While no scripts were explicitly extracted, the presence of embedded URLs and the nature of the redirector suggest an intent to deliver a secondary payload or phish for credentials.

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%B4%D0%BE%D1%81%D1%80%D0%BE%D1%87%D0%BD%D1%8B%D0%B9+%D0%B5%D0%B3%D1%8D+%D0%BF%D0%BE+%D1%84%D0%B8%D0%B7%D0%B8%D0%BA%D0%B5+2015&charset=utf-8
    • http://fastpic.ru/
    • http://www.liveinternet.ru/click
    • http://img1.liveinternet.ru/images/attach/c/5//4185/4185063_skachat_papku_moi_fayluy_na_android.pdf
    • http://img0.liveinternet.ru/images/attach/c/5//4184/4184599_microsoft_office_portable_dlya_windows_8.pdf
    • http://img0.liveinternet.ru/images/attach/c/5//4184/4184288_luchshie_boi_mayka_taysona_skachat_torrent.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_off00023ec4.bin
880e53e6f12106514012eaabb19a261b9f8ae03d695445fc59a5b9b5a1293281		 pdf-font-stream PDF embedded font (sfnt) at offset 0x23EC4 3556 bytes
font_01_sfnt_off00024c47.bin
0927f83a45665933b82fadca1d1f6f77bd75af39bd46911cf12bb89964b5d5dd		 pdf-font-stream PDF embedded font (sfnt) at offset 0x24C47 14884 bytes
font_02_sfnt_off00027a93.bin
208886b4890f89c1a73993864b15b7d24e5b6524d37f00bba35d9f9924c17a2e		 pdf-font-stream PDF embedded font (sfnt) at offset 0x27A93 14640 bytes
font_03_sfnt_off0002a5cc.bin
a1ae6673d299eff3d9ad1890220d15cc2cd34edc488c16dbfff403b4520eaf92		 pdf-font-stream PDF embedded font (sfnt) at offset 0x2A5CC 6924 bytes
font_04_sfnt_off0002b9cd.bin
819f9cc5156bfe3dae03045446d677a19b5879270357875344f9514601da73e3		 pdf-font-stream PDF embedded font (sfnt) at offset 0x2B9CD 6084 bytes
font_05_sfnt_off0002c962.bin
9364d8c42993f0db1eb41a63b15a48dd56cef5056a611ab8e91dd81183a5a95e		 pdf-font-stream PDF embedded font (sfnt) at offset 0x2C962 3752 bytes

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