Malicious PDF — malware analysis report

Static analysis result for SHA-256 4d0d04f8c62d9068…

MALICIOUS

PDF

188.7 KB Created: 2015-08-05 13:53:30 +03:00 Authoring application: wkhtmltopdf 0.12.2.1 (via Qt 4.8.6)
MD5: 41b50e82a66a52312fdff32a6cefbb19 SHA-1: a84aa2994166f03796fd0050c2dfffac6d502bcc SHA-256: 4d0d04f8c62d9068c6deff42a2d14ee72310f04eee27d6cb3b7ced376f1903fa
60 Risk Score

Malware Insights

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

The PDF file contains a link to a known malicious redirector URL, indicating a phishing or malware distribution attempt. The PDF was generated by wkhtmltopdf, a tool often used to create documents from web content, which may have been used here to disguise the malicious link. No scripts were extracted from this sample, 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%A1%D0%BA%D0%B0%D1%87%D0%B0%D1%82%D1%8C+%D1%8D%D0%BA%D0%BE%D0%BD%D0%BE%D0%BC%D0%B8%D0%BA%D0%B0+%D0%BE%D0%B1%D1%80%D0%B0%D0%B7%D0%BE%D0%B2%D0%B0%D1%82%D0%B5%D0%BB%D1%8C%D0%BD%D1%8B%D1%85+%D1%83%D1%87%D1%80%D0%B5%D0%B6%D0%B4%D0%B5%D0%BD%D0%B8%D0%B9+%D0%B7%D0%B0%D1%85%D0%B0%D1%80%D1%87%D1%83%D0%BA+k%D0%B0+doc&charset=utf-8
    • http://fastpic.ru/
    • http://www.liveinternet.ru/click
    • http://img0.liveinternet.ru/images/attach/c/6//4304/4304588_skachat_sborku_yogcast.pdf
    • http://img0.liveinternet.ru/images/attach/c/6//4304/4304482_skachat_mod_mount_and_blade_the_last_days_32_torrent.pdf
    • http://img0.liveinternet.ru/images/attach/c/6//4304/4304663_kontrolnaya_rabota_po_matematike_2_klass_godovaya.pdf

Extracted artifacts 6

Files carved from inside the sample during analysis.

FilenameKindSourceSize
font_00_sfnt_off00024b48.bin
880e53e6f12106514012eaabb19a261b9f8ae03d695445fc59a5b9b5a1293281		 pdf-font-stream PDF embedded font (sfnt) at offset 0x24B48 3556 bytes
font_01_sfnt_off000258cb.bin
111f12d46bbae02d164f0fae013a8259236be2eeb96bb0e352624e1297bb5bfb		 pdf-font-stream PDF embedded font (sfnt) at offset 0x258CB 14940 bytes
font_02_sfnt_off000286d9.bin
4453a7714f13b57eab8c968df29caeef835f77721479bae698c8e7ae4259023f		 pdf-font-stream PDF embedded font (sfnt) at offset 0x286D9 14532 bytes
font_03_sfnt_off0002b1c4.bin
c083c7430e3e0b6e3b52463baae3e09e90f21b1b21de0a2dbae91a624e6a14e0		 pdf-font-stream PDF embedded font (sfnt) at offset 0x2B1C4 7784 bytes
font_04_sfnt_off0002c8d4.bin
819f9cc5156bfe3dae03045446d677a19b5879270357875344f9514601da73e3		 pdf-font-stream PDF embedded font (sfnt) at offset 0x2C8D4 6084 bytes
font_05_sfnt_off0002d869.bin
9364d8c42993f0db1eb41a63b15a48dd56cef5056a611ab8e91dd81183a5a95e		 pdf-font-stream PDF embedded font (sfnt) at offset 0x2D869 3752 bytes

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