Malicious PDF — malware analysis report

Static analysis result for SHA-256 6f919fe82b6c6e9d…

MALICIOUS

PDF

186.2 KB Created: 2015-07-24 10:24:14 +03:00 Authoring application: wkhtmltopdf 0.12.2.1 (via Qt 4.8.6)
MD5: 89e57aef24817cc6f6c0dec2d908f225 SHA-1: c58df8f6c5dc95b8810753ffe2add6cb6149629b SHA-256: 6f919fe82b6c6e9da55567261208f5efd04f7d943bcb4a084ddc109fee7f7997
92 Risk Score

Malware Insights

MITRE ATT&CK
T1566.001 Spearphishing Attachment

The PDF file was flagged by a machine learning classifier and contains a link to a known malicious redirector. This suggests the document is designed to lure users to a malicious website, likely for phishing or malware distribution. No scripts were extracted, and the document body was truncated, limiting further analysis of the specific lure.

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%B8%D0%BD%D0%B2%D0%B5%D1%81%D1%82%D0%B8%D1%86%D0%B8%D0%BE%D0%BD%D0%BD%D1%8B%D0%B9+%D0%BF%D1%80%D0%BE%D0%B5%D0%BA%D1%82+%D0%BF%D1%80%D0%B8%D0%BC%D0%B5%D1%80%D1%8B&charset=utf-8
    • http://fastpic.ru/
    • http://www.liveinternet.ru/click
    • http://img0.liveinternet.ru/images/attach/c/5//4184/4184571_reshat_primeruy_6_klassa_po_matematike.pdf
    • http://img1.liveinternet.ru/images/attach/c/5//4187/4187794_pyanaya_zhena_izmenyaet_video.pdf
    • http://img1.liveinternet.ru/images/attach/c/5//4189/4189754_skachat_paket_drayverov_dlya_noutbuka_asus_x53b_setevaya_karta.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_off000245f8.bin
880e53e6f12106514012eaabb19a261b9f8ae03d695445fc59a5b9b5a1293281		 pdf-font-stream PDF embedded font (sfnt) at offset 0x245F8 3556 bytes
font_01_sfnt_off0002537b.bin
500b0d5671de19be1aedb98fc0d17dc3300b75d81feaac1496ad69866e77748d		 pdf-font-stream PDF embedded font (sfnt) at offset 0x2537B 15276 bytes
font_02_sfnt_off0002827e.bin
d22647a20bdf7fdf39209c54252ae5535b39cfb889418d78aaf9459f7adfd96a		 pdf-font-stream PDF embedded font (sfnt) at offset 0x2827E 14468 bytes
font_03_sfnt_off0002ad33.bin
6e223a06fcdd2b3402fa36c8b73d8f7e12a14c905e4b594deddd18b23572f2e3		 pdf-font-stream PDF embedded font (sfnt) at offset 0x2AD33 6340 bytes
font_04_sfnt_off0002befe.bin
819f9cc5156bfe3dae03045446d677a19b5879270357875344f9514601da73e3		 pdf-font-stream PDF embedded font (sfnt) at offset 0x2BEFE 6084 bytes
font_05_sfnt_off0002ce93.bin
9364d8c42993f0db1eb41a63b15a48dd56cef5056a611ab8e91dd81183a5a95e		 pdf-font-stream PDF embedded font (sfnt) at offset 0x2CE93 3752 bytes

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