Malicious PDF — malware analysis report

Static analysis result for SHA-256 28109a969bff4767…

MALICIOUS

PDF

372.3 KB Created: 2015-08-23 20:56:30 +03:00 Authoring application: wkhtmltopdf 0.12.2.4 (via Qt 4.8.6)
MD5: 75cdb72cd62abd81ad834818f87df27e SHA-1: 0910783f813d18202082d46ae7033952073b0f3d SHA-256: 28109a969bff476787ac06184704a3768135d3f2905f929f497f0e669ba0ade7
60 Risk Score

Malware Insights

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

The PDF file contains a critical heuristic firing indicating a link to a known malicious redirector. The embedded URL, http://botcraftman.ru/, is likely used to direct users to a malicious website. No scripts were extracted from this sample, and the document body was heavily obfuscated and truncated, preventing further analysis of its specific lure.

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+%D1%84%D0%B8%D0%BB%D1%8C%D0%BC+%D1%82%D0%B5%D0%BB%D0%B5%D0%BF%D0%BE%D1%80%D1%82+2+%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%B1%D0%B5%D1%81%D0%BF%D0%BB%D0%B0%D1%82%D0%BD%D0%BE+%D0%B2+%D1%85%D0%BE%D1%80%D0%BE%D1%88%D0%B5%D0%BC+%D0%BA%D0%B0%D1%87%D0%B5%D1%81%D1%82%D0%B2%D0%B5&charset=utf-8
    • http://img0.liveinternet.ru/images/attach/c/6//4690/4690076_rekord__super__chart_.pdf
    • http://img0.liveinternet.ru/images/attach/c/6//4690/4690035_80211n__wlan__adapter_.pdf
    • http://img0.liveinternet.ru/images/attach/c/6//4690/4690048_chatrulet__na_.pdf

Extracted artifacts 2

Files carved from inside the sample during analysis.

FilenameKindSourceSize
font_00_sfnt_off00058841.bin
c09bbdfd889145437afdd0e82376218f6c877a323907e74ab38883f0f5ad8248		 pdf-font-stream PDF embedded font (sfnt) at offset 0x58841 8956 bytes
font_01_sfnt_off0005a231.bin
6e79ec20aac28cc83cbdf84b4aaa1550dd1924a98a6be84dcf083f7a8d268721		 pdf-font-stream PDF embedded font (sfnt) at offset 0x5A231 15404 bytes

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