Malicious PDF — malware analysis report

Static analysis result for SHA-256 3d80e1abda055d80…

MALICIOUS

PDF

188.5 KB Created: 2015-07-24 12:17:28 +03:00 Authoring application: wkhtmltopdf 0.12.2.1 (via Qt 4.8.6)
MD5: dba10302c2b41cde1134b349920674d6 SHA-1: 98e496b78a58bc6af6350d1c42f8adfb687e7fdf SHA-256: 3d80e1abda055d8007b0519036842c7f0341394539b2b865c73ad5f7b0edab6a
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. This suggests the document is designed to lure users to a malicious website. 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%B3%D1%80%D0%B0+%D0%B4%D0%B0%D0%BB%D1%8C%D0%BD%D0%BE%D0%B1%D0%BE%D0%B9%D1%89%D0%B8%D0%BA%D0%B8+1+%D1%81%D0%BA%D0%B0%D1%87%D0%B0%D1%82%D1%8C+%D0%B1%D0%B5%D1%81%D0%BF%D0%BB%D0%B0%D1%82%D0%BD%D0%BE+%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
    • http://fastpic.ru/
    • http://www.liveinternet.ru/click
    • http://img1.liveinternet.ru/images/attach/c/5//4185/4185495_maykl_gerber_predprinimatelskiy_mif_audiokniga.pdf
    • http://img1.liveinternet.ru/images/attach/c/5//4189/4189683_antivirus_dlya_televizora_lg_smart_tv_skachat_besplatno.pdf
    • http://img1.liveinternet.ru/images/attach/c/5//4187/4187917_addictive_drums_2_skachat_torrent.pdf

Extracted artifacts 6

Files carved from inside the sample during analysis.

FilenameKindSourceSize
font_00_sfnt_off00024ffd.bin
880e53e6f12106514012eaabb19a261b9f8ae03d695445fc59a5b9b5a1293281		 pdf-font-stream PDF embedded font (sfnt) at offset 0x24FFD 3556 bytes
font_01_sfnt_off00025d80.bin
bd5095ca9194b1ff916c773d83d3fab125964b9b67f361cafc4a9ddf23e44fcb		 pdf-font-stream PDF embedded font (sfnt) at offset 0x25D80 14348 bytes
font_02_sfnt_off000289fe.bin
2f174bce2bf89b86ed20b23e335462fb6c665daf7d579c7771c32fa68bc7e60f		 pdf-font-stream PDF embedded font (sfnt) at offset 0x289FE 14468 bytes
font_03_sfnt_off0002b4b0.bin
97736dabdbd2e7f0db1a27739c7ac21cbe264dd70a6b439433f027fe8c6bb97c		 pdf-font-stream PDF embedded font (sfnt) at offset 0x2B4B0 6852 bytes
font_04_sfnt_off0002c861.bin
819f9cc5156bfe3dae03045446d677a19b5879270357875344f9514601da73e3		 pdf-font-stream PDF embedded font (sfnt) at offset 0x2C861 6084 bytes
font_05_sfnt_off0002d7f6.bin
9364d8c42993f0db1eb41a63b15a48dd56cef5056a611ab8e91dd81183a5a95e		 pdf-font-stream PDF embedded font (sfnt) at offset 0x2D7F6 3752 bytes

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