Malicious PDF — malware analysis report

Static analysis result for SHA-256 2ac73a5dd8aa1224…

MALICIOUS

PDF

186.7 KB Created: 2015-07-26 04:00:34 +03:00 Authoring application: wkhtmltopdf 0.12.2.1 (via Qt 4.8.6)
MD5: cce678730dd2cd2932024b4d30b269d9 SHA-1: def1324e9fd901d523df8eceafeb7b653d43f362 SHA-256: 2ac73a5dd8aa12248d13d58978dc7ddeafb38a9273242e98ae5a07637cebb1b6
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 link to a known malicious redirector. The document body appears to be malformed or truncated, preventing a deeper analysis of its content. The primary malicious indicator is the embedded URL, which is likely used to direct users to a harmful website.

Machine Learning

  • Nyx PDF Classifier malicious score 0.9980

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%B8%D0%B7%D0%B8%D0%BA%D0%B0+%D0%B8%D0%BB%D0%B8+%D1%85%D0%B8%D0%BC%D0%B8%D1%8F+2+%D1%81%D0%B5%D0%B7%D0%BE%D0%BD+%D1%80%D1%83%D1%81%D1%81%D0%BA%D0%B0%D1%8F+%D0%B2%D0%B5%D1%80%D1%81%D0%B8%D1%8F+%D1%81%D0%BA%D0%B0%D1%87%D0%B0%D1%82%D1%8C+%D1%82%D0%BE%D1%80%D1%80%D0%B5%D0%BD%D1%82&charset=utf-8
    • http://fastpic.ru/
    • http://www.liveinternet.ru/click
    • http://img0.liveinternet.ru/images/attach/c/5//4212/4212162_skachat_smeshariki_cherez_torrent_besplatno.pdf
    • http://img0.liveinternet.ru/images/attach/c/5//4210/4210266_spds_dlya_autocad_2013_skachat.pdf
    • http://img0.liveinternet.ru/images/attach/c/5//4188/4188539_blank_zayavleniya_na_vuypisku_iz_egrip.pdf

Extracted artifacts 6

Files carved from inside the sample during analysis.

FilenameKindSourceSize
font_00_sfnt_off000246c2.bin
880e53e6f12106514012eaabb19a261b9f8ae03d695445fc59a5b9b5a1293281		 pdf-font-stream PDF embedded font (sfnt) at offset 0x246C2 3556 bytes
font_01_sfnt_off00025445.bin
95df01e3ac0f2eb79987fbfb457fd455abbd3672088fe409e56e73e91e2a5470		 pdf-font-stream PDF embedded font (sfnt) at offset 0x25445 14608 bytes
font_02_sfnt_off00028197.bin
f98b645aca6d245a2195847d674f344b5db8b22f01cd0174e01e87667ea1fec9		 pdf-font-stream PDF embedded font (sfnt) at offset 0x28197 14532 bytes
font_03_sfnt_off0002ac86.bin
c1073dbb7c280e522f3a1292d2668fe47de9e513edc9d4cb77664265dba9f4c6		 pdf-font-stream PDF embedded font (sfnt) at offset 0x2AC86 7032 bytes
font_04_sfnt_off0002c110.bin
819f9cc5156bfe3dae03045446d677a19b5879270357875344f9514601da73e3		 pdf-font-stream PDF embedded font (sfnt) at offset 0x2C110 6084 bytes
font_05_sfnt_off0002d0a5.bin
9364d8c42993f0db1eb41a63b15a48dd56cef5056a611ab8e91dd81183a5a95e		 pdf-font-stream PDF embedded font (sfnt) at offset 0x2D0A5 3752 bytes

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