Malicious PDF — malware analysis report

Static analysis result for SHA-256 245ac99d74188499…

MALICIOUS

PDF

185.7 KB Created: 2015-07-24 13:37:56 +03:00 Authoring application: wkhtmltopdf 0.12.2.1 (via Qt 4.8.6)
MD5: 6f2b325fe475607ad4ac1773b14e124f SHA-1: 243590612daddfaf00808e38546f58b57d353a1b SHA-256: 245ac99d74188499f2f7ec48f049c27605627199a31eab454f56b3b9e90a79e5
120 Risk Score

Malware Insights

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

The PDF file was flagged as malicious by ClamAV and contains a critical heuristic indicating a link to a known malicious redirector. The embedded URL http://botcraftman.ru/ is likely used to direct users to a malicious website for phishing or malware delivery. No scripts were extracted, limiting the analysis of the exact payload.

Heuristics 3

  • 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.
  • ClamAV: Pdf.Dropper.Agent-8786056-0 critical CLAMAV_DETECTION
    ClamAV detected this file as malware: Pdf.Dropper.Agent-8786056-0
  • 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%92%D0%B8%D0%B4%D0%B5%D0%BE%D1%80%D0%B5%D0%B3%D0%B8%D1%81%D1%82%D1%80%D0%B0%D1%82%D0%BE%D1%80+dvr+217+oe618+%D0%B8%D0%BD%D1%81%D1%82%D1%80%D1%83%D0%BA%D1%86%D0%B8%D1%8F&charset=utf-8
    • http://fastpic.ru/
    • http://www.liveinternet.ru/click
    • http://img1.liveinternet.ru/images/attach/c/5//4187/4187361_stalker_ten_chernobuylya_skachat_torrent_rg_mehaniki.pdf
    • http://img1.liveinternet.ru/images/attach/c/5//4191/4191515_blank_scheta_na_oplatu_ukraina_skachat.pdf
    • http://img0.liveinternet.ru/images/attach/c/5//4184/4184772_operaciya_geniy_specotryad_fiziki_skachat_torrent.pdf

Extracted artifacts 6

Files carved from inside the sample during analysis.

FilenameKindSourceSize
font_00_sfnt_off00024282.bin
880e53e6f12106514012eaabb19a261b9f8ae03d695445fc59a5b9b5a1293281		 pdf-font-stream PDF embedded font (sfnt) at offset 0x24282 3556 bytes
font_01_sfnt_off00025005.bin
336d6b22253a5b6dae053bba9318c0a9ffb07319598141ec31daf06e178c3944		 pdf-font-stream PDF embedded font (sfnt) at offset 0x25005 14188 bytes
font_02_sfnt_off00027c52.bin
282627e853866d04891dfea0d7510d3880962d8bd844b27e53f74185eee72eb6		 pdf-font-stream PDF embedded font (sfnt) at offset 0x27C52 14776 bytes
font_03_sfnt_off0002a77e.bin
0e490e3cca6ea71c48b6380acd3ab4a285085b00fcad707e2968cc2cf8f185f8		 pdf-font-stream PDF embedded font (sfnt) at offset 0x2A77E 7372 bytes
font_04_sfnt_off0002bd24.bin
819f9cc5156bfe3dae03045446d677a19b5879270357875344f9514601da73e3		 pdf-font-stream PDF embedded font (sfnt) at offset 0x2BD24 6084 bytes
font_05_sfnt_off0002ccb9.bin
9364d8c42993f0db1eb41a63b15a48dd56cef5056a611ab8e91dd81183a5a95e		 pdf-font-stream PDF embedded font (sfnt) at offset 0x2CCB9 3752 bytes

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