Malicious PDF — malware analysis report

Static analysis result for SHA-256 e061c312b46a7687…

MALICIOUS

PDF

186.9 KB Created: 2015-07-26 12:29:04 +03:00 Authoring application: wkhtmltopdf 0.12.2.1 (via Qt 4.8.6) First seen: 2020-09-24
MD5: d7dd319434c43af36b097e5a4ae2442c SHA-1: 67ac8419f62108faaa11265371ed21efe6153f93 SHA-256: e061c312b46a76877c530bf6b0ef22d36ac68e824e4eff8881271e566262c86b
90 Risk Score

Malware Insights

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

The PDF contains a link to a known malicious redirector infrastructure, indicating a phishing or malware distribution attempt. The ML classifier also strongly flagged this PDF as malicious. The primary malicious IOC is the redirector URL, which is likely used to funnel victims to a further stage of the attack.

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%81%D0%BA%D0%B0%D1%87%D0%B0%D1%82%D1%8C+%D0%B8%D0%B3%D1%80%D1%83+%D0%BD%D0%B0+%D1%81%D0%BE%D0%BD%D0%B8+%D0%BF%D0%BB%D0%B5%D0%B9%D1%81%D1%82%D0%B5%D0%B9%D1%88%D0%B5%D0%BD+2+%D1%87%D0%B5%D1%80%D0%B5%D0%B7+%D1%82%D0%BE%D1%80%D1%80%D0%B5%D0%BD%D1%82&charset=utf-8 In PDF document text
    • http://fastpic.ru/In PDF document text
    • http://www.liveinternet.ru/clickIn PDF document text
    • http://img0.liveinternet.ru/images/attach/c/5//4192/4192560_rabochaya_programma_nemeckiy_yazuyk_3_klass_bim_fgos_s_uud.pdfIn PDF document text
    • http://img0.liveinternet.ru/images/attach/c/5//4214/4214459_klyuch_aktivaciya_windows_7.pdfIn PDF document text
    • http://img0.liveinternet.ru/images/attach/c/5//4208/4208546_yuriy_nikitin_seriya_troe_iz_lesa_skachat_besplatno_fb2_torrent.pdfIn PDF document text

Extracted artifacts 6

Files carved from inside the sample during analysis.

FilenameKindSourceSize
font_00_sfnt_off0002475a.bin
880e53e6f12106514012eaabb19a261b9f8ae03d695445fc59a5b9b5a1293281		 pdf-font-stream PDF embedded font (sfnt) at offset 0x2475A 3556 bytes
font_01_sfnt_off000254dd.bin
cc994239dc5838802480b502a25a1818581d5b7ffa6daa1329f267d6a1010f87		 pdf-font-stream PDF embedded font (sfnt) at offset 0x254DD 14696 bytes
font_02_sfnt_off0002835d.bin
7ff5adba8695c16805727c31eea0585594606d1764cb32bf89c57132559c5bcb		 pdf-font-stream PDF embedded font (sfnt) at offset 0x2835D 14520 bytes
font_03_sfnt_off0002ae31.bin
a96ee53fe609756633c3efeea27ded9acef30a03cd8f63c81626e23cc056224e		 pdf-font-stream PDF embedded font (sfnt) at offset 0x2AE31 6792 bytes
font_04_sfnt_off0002c1bf.bin
819f9cc5156bfe3dae03045446d677a19b5879270357875344f9514601da73e3		 pdf-font-stream PDF embedded font (sfnt) at offset 0x2C1BF 6084 bytes
font_05_sfnt_off0002d154.bin
9364d8c42993f0db1eb41a63b15a48dd56cef5056a611ab8e91dd81183a5a95e		 pdf-font-stream PDF embedded font (sfnt) at offset 0x2D154 3752 bytes

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