Malicious PDF — malware analysis report

Static analysis result for SHA-256 45d3ec6268ffbda4…

MALICIOUS

PDF

185.1 KB Created: 2015-07-26 03:49:42 +03:00 Authoring application: wkhtmltopdf 0.12.2.1 (via Qt 4.8.6)
MD5: 743cbd6e890850b116597a6adb16795c SHA-1: 4c265bc5726b908f61a4a0d934a032c3a3e62ac3 SHA-256: 45d3ec6268ffbda49dc47baea73a7e23f06d794ed3b05e1c2882ed410bab9e33
60 Risk Score

Malware Insights

MITRE ATT&CK
T1566.002 Spearphishing Attachment T1059.001 PowerShell

The PDF contains a link to a known malicious redirector, indicating a phishing or malware distribution attempt. The file was generated by wkhtmltopdf, which is sometimes used to package malicious content. No scripts were extracted, but the presence of the malicious URL is a strong indicator of malicious intent.

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%B7%D0%B0%D1%8F%D0%B2%D0%BB%D0%B5%D0%BD%D0%B8%D0%B5+%D0%BD%D0%B0+%D1%81%D0%B2%D0%B8%D0%B4%D0%B0%D0%BD%D0%B8%D0%B5+%D0%B2+%D1%81%D0%B8%D0%B7%D0%BE+%D0%BE%D0%B1%D1%80%D0%B0%D0%B7%D0%B5%D1%86&charset=utf-8
    • http://fastpic.ru/
    • http://www.liveinternet.ru/click
    • http://img0.liveinternet.ru/images/attach/c/5//4200/4200439_scenariy_torzhestvennogo_vrucheniya_attestatov_9_klass.pdf
    • http://img0.liveinternet.ru/images/attach/c/5//4186/4186302_skachat_fayl_dlya_rezyume.pdf
    • http://img1.liveinternet.ru/images/attach/c/5//4203/4203338_nanocad_electro_skachat_s_tabletkoy.pdf

Extracted artifacts 6

Files carved from inside the sample during analysis.

FilenameKindSourceSize
font_00_sfnt_off000241c2.bin
880e53e6f12106514012eaabb19a261b9f8ae03d695445fc59a5b9b5a1293281		 pdf-font-stream PDF embedded font (sfnt) at offset 0x241C2 3556 bytes
font_01_sfnt_off00024f45.bin
f45e50ea40718415ad821f70fa4c4e712204aef9fdd0b6691f96bfc96ba7d333		 pdf-font-stream PDF embedded font (sfnt) at offset 0x24F45 14388 bytes
font_02_sfnt_off00027c0d.bin
f388d38563e792762eb460b207fc94ea1223f3d0a36115f2197d496a7b0dd15a		 pdf-font-stream PDF embedded font (sfnt) at offset 0x27C0D 14720 bytes
font_03_sfnt_off0002a778.bin
a9eca2d4f37b68e120fa9abf981cfb29164bc70b5b8afd745c109e9c83bef362		 pdf-font-stream PDF embedded font (sfnt) at offset 0x2A778 6716 bytes
font_04_sfnt_off0002baa9.bin
819f9cc5156bfe3dae03045446d677a19b5879270357875344f9514601da73e3		 pdf-font-stream PDF embedded font (sfnt) at offset 0x2BAA9 6084 bytes
font_05_sfnt_off0002ca3e.bin
9364d8c42993f0db1eb41a63b15a48dd56cef5056a611ab8e91dd81183a5a95e		 pdf-font-stream PDF embedded font (sfnt) at offset 0x2CA3E 3752 bytes

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