Malicious PDF — malware analysis report

Static analysis result for SHA-256 47446708230ab916…

MALICIOUS

PDF

187.1 KB Created: 2015-07-26 13:37:34 +03:00 Authoring application: wkhtmltopdf 0.12.2.1 (via Qt 4.8.6)
MD5: 31ce8a8932301a13ee98052dd0816154 SHA-1: 9215a9ea97357f0ae1ab36f041222d983009a80f SHA-256: 47446708230ab916bdb532918ea35454e99de1b3c3041559d8047b637dc8fb24
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 presence of this malicious link suggests the document is designed to lure users to a compromised or malicious site. No scripts were extracted, and the document body was not sufficiently readable to determine a 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=%D1%81%D0%BA%D0%B0%D1%87%D0%B0%D1%82%D1%8C+%D0%BF%D0%BE%D0%BB%D0%BD%D1%8B%D0%B9+%D0%BF%D1%80%D0%B8%D0%B2%D0%BE%D0%B4+2+%D1%83%D0%B0%D0%B7+4x4+%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//4188/4188875_laboratornaya_rabota_po_fizike_7_klass_astahova_otvetuy.pdf
    • http://img0.liveinternet.ru/images/attach/c/5//4198/4198864_need_for_speed_most_wanted_2012_skachat_torrent.pdf
    • http://img0.liveinternet.ru/images/attach/c/5//4212/4212443_seriynuyy_nomer_dlya_2_glavuy_two_worlds_2.pdf

Extracted artifacts 6

Files carved from inside the sample during analysis.

FilenameKindSourceSize
font_00_sfnt_off00024621.bin
880e53e6f12106514012eaabb19a261b9f8ae03d695445fc59a5b9b5a1293281		 pdf-font-stream PDF embedded font (sfnt) at offset 0x24621 3556 bytes
font_01_sfnt_off000253a4.bin
24670c3d07accdff2bec190f3caa41f1226058461882efad5bb8488e1159f77d		 pdf-font-stream PDF embedded font (sfnt) at offset 0x253A4 15380 bytes
font_02_sfnt_off00028352.bin
0197faa43687bb77e13cd892ffcab8b524b0772a7192c3592827a8605953fc5a		 pdf-font-stream PDF embedded font (sfnt) at offset 0x28352 14532 bytes
font_03_sfnt_off0002ae40.bin
4ea7f8721eec27ac7d16bad4bacaf1de65436ed5e7d3a0c7929a3043109a95b0		 pdf-font-stream PDF embedded font (sfnt) at offset 0x2AE40 7060 bytes
font_04_sfnt_off0002c2c6.bin
819f9cc5156bfe3dae03045446d677a19b5879270357875344f9514601da73e3		 pdf-font-stream PDF embedded font (sfnt) at offset 0x2C2C6 6084 bytes
font_05_sfnt_off0002d25b.bin
9364d8c42993f0db1eb41a63b15a48dd56cef5056a611ab8e91dd81183a5a95e		 pdf-font-stream PDF embedded font (sfnt) at offset 0x2D25B 3752 bytes

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