Malicious PDF — malware analysis report

Static analysis result for SHA-256 dfb6e668150ae7f1…

MALICIOUS

PDF

388.5 KB Created: 2015-08-19 12:19:45 +03:00 Authoring application: wkhtmltopdf 0.12.2.4 (via Qt 4.8.6)
MD5: fe9af146ad61daf50b0d368e75af9ba2 SHA-1: 65ed9894240f45d586f0059bdfb4de2eac011bec SHA-256: dfb6e668150ae7f1914831ae2054f3d24e4ddebc3eeae46c92839f55d35f92e5
68 Risk Score

Malware Insights

MITRE ATT&CK
T1566.002 Spearphishing Attachment T1059.001 PowerShell T1204.002 Malicious Link

The PDF file contains embedded JavaScript and a critical heuristic firing indicates a malicious redirector link. The link, disguised with keywords related to downloading a game, points to 'http://botcraftman.ru/', which is flagged as malicious. This suggests the document's primary purpose is to redirect users to a potentially harmful site, likely for phishing or malware distribution. No scripts were extracted from this sample, limiting the ability to detail specific actions beyond the malicious link.

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.
  • Embedded JS stream low PDF_JS
    PDF references a /JS stream. Generic JavaScript is common in benign forms; specific dangerous APIs are scored by separate rules.
  • 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%B8%D0%B3%D1%80%D1%83+lego+city+undercover+%D1%87%D0%B5%D1%80%D0%B5%D0%B7+%D1%82%D0%BE%D1%80%D1%80%D0%B5%D0%BD%D1%82+%D0%BD%D0%B0+pc&charset=utf-8
    • http://img0.liveinternet.ru/images/attach/c/6//4626/4626441_uznat_rezultat_egye_po_russkomu_yazuyku_2015.pdf
    • http://img0.liveinternet.ru/images/attach/c/6//4496/4496722_multmama_skachat_torrent.pdf
    • http://img0.liveinternet.ru/images/attach/c/6//4626/4626472_skachat_root_prava_dlya_gamekiller_na_android.pdf

Extracted artifacts 2

Files carved from inside the sample during analysis.

FilenameKindSourceSize
font_00_sfnt_off0005c64c.bin
802998c553fd1a1d56c30adf8cf534710cb878856f9000142df69d952c193fb6		 pdf-font-stream PDF embedded font (sfnt) at offset 0x5C64C 10236 bytes
font_01_sfnt_off0005e20e.bin
81c16fe285e0beb1076f77dded76183225cb5c5f4a00ef1453f151ffe7990352		 pdf-font-stream PDF embedded font (sfnt) at offset 0x5E20E 16204 bytes

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