Malicious PDF — malware analysis report

Static analysis result for SHA-256 9025694d0306354e…

MALICIOUS

PDF

186.4 KB Created: 2015-07-24 20:26:43 +03:00 Authoring application: wkhtmltopdf 0.12.2.1 (via Qt 4.8.6)
MD5: a19a18c5089f3b0ab0367d3a9dd48110 SHA-1: 167bc6b7a2efd5696c2ff8a2cfe88563df75b622 SHA-256: 9025694d0306354e134fa1194934a8591ac017558b369b6ce927ebb09ca33097
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, http://botcraftman.ru/. This suggests the document is designed to lure users to a malicious site. No scripts were extracted, and the document body was heavily truncated, limiting further analysis of the exact 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=%D1%81%D0%BE%D1%84%D0%B8%D1%8F+%D0%BF%D1%80%D0%B5%D0%BA%D1%80%D0%B0%D1%81%D0%BD%D0%B0%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//4192/4192580_skachat_stalker_zov_pripyati_original_cherez_torrent.pdf
    • http://img1.liveinternet.ru/images/attach/c/5//4189/4189913_skachat_chituy_dlya_tanki_onlayn.pdf
    • http://img0.liveinternet.ru/images/attach/c/5//4186/4186703_skachat_igru_unturned_1_cherez_torrent.pdf

Extracted artifacts 6

Files carved from inside the sample during analysis.

FilenameKindSourceSize
font_00_sfnt_off00024728.bin
880e53e6f12106514012eaabb19a261b9f8ae03d695445fc59a5b9b5a1293281		 pdf-font-stream PDF embedded font (sfnt) at offset 0x24728 3556 bytes
font_01_sfnt_off000254ab.bin
12a4be8465f3831ea5dfe3048c4d24c68a05a66b8b55c71153b9c600d68d7bb1		 pdf-font-stream PDF embedded font (sfnt) at offset 0x254AB 14644 bytes
font_02_sfnt_off00028290.bin
c33e6903d76079777c1b082a355654bfa5653b97afd40bc3e5344b34556d24bd		 pdf-font-stream PDF embedded font (sfnt) at offset 0x28290 14468 bytes
font_03_sfnt_off0002ad42.bin
7e6fafe222331417ef5ab3fe9174619075bd8fb74154f00e7b9ae43e0ccab4c5		 pdf-font-stream PDF embedded font (sfnt) at offset 0x2AD42 6548 bytes
font_04_sfnt_off0002bff1.bin
819f9cc5156bfe3dae03045446d677a19b5879270357875344f9514601da73e3		 pdf-font-stream PDF embedded font (sfnt) at offset 0x2BFF1 6084 bytes
font_05_sfnt_off0002cf86.bin
9364d8c42993f0db1eb41a63b15a48dd56cef5056a611ab8e91dd81183a5a95e		 pdf-font-stream PDF embedded font (sfnt) at offset 0x2CF86 3752 bytes

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