Malicious PDF — malware analysis report

Static analysis result for SHA-256 f688aa81d1e8d71c…

MALICIOUS

PDF

347.0 KB Created: 2015-08-29 13:11:24 +03:00 Authoring application: wkhtmltopdf 0.12.2.4 (via Qt 4.8.6) First seen: 2021-07-07
MD5: 7e5cd6c5956cd3425906976a0027a230 SHA-1: 60fe3b27c331cc9f4cf6642d79722c847c82ba07 SHA-256: f688aa81d1e8d71c654611e96ef50d0277c161f8cbf96d0a1087e5294b7584ed
92 Risk Score

Malware Insights

MITRE ATT&CK
T1566.001 Spearphishing Attachment

The PDF document contains a critical heuristic firing indicating a malicious redirector link. The embedded URL, http://botcraftcraftman.ru/, is associated with malicious activity and is presented as a download for a game. While no scripts were extracted, the presence of the malicious URL strongly suggests an attempt to redirect the user to a site that likely hosts further malicious content or phishing pages.

Machine Learning

  • Nyx PDF Classifier malicious score 0.9980

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%B8%D0%B3%D1%80%D1%83+%D0%BE%D1%85%D0%BE%D1%82%D0%B0+2013+%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 In PDF document text
    • http://img0.liveinternet.ru/images/attach/c/7//4830/4830832_kod__na__poleno_.pdfIn PDF document text
    • http://img1.liveinternet.ru/images/attach/c/7//4831/4831926_skachat__generator__klyuchey_.pdfIn PDF document text
    • http://img1.liveinternet.ru/images/attach/c/7//4829/4829906_pragmaticac__shrift_.pdfIn PDF document text

Extracted artifacts 2

Files carved from inside the sample during analysis.

FilenameKindSourceSize
font_00_sfnt_off0005232b.bin pdf-font-stream PDF embedded font (sfnt) at offset 0x5232B 7824 bytes
SHA-256: 5e9e9e7e521202720804690b7a0983713207e02b842fa245cc49c85a4c66a4df
font_01_sfnt_off00053a29.bin pdf-font-stream PDF embedded font (sfnt) at offset 0x53A29 16992 bytes
SHA-256: 66f0e3a963ce852087da72ad08b1f2bd881f4b131e053ed26dbd75be2f91a327

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