Malicious PDF — malware analysis report

Static analysis result for SHA-256 886cc98b13695f45…

MALICIOUS

PDF

364.9 KB Created: 2015-08-29 11:26:57 +03:00 Authoring application: wkhtmltopdf 0.12.2.4 (via Qt 4.8.6) First seen: 2021-11-24
MD5: 0ba7a29858d72bbae334d236834e8dee SHA-1: 959f9d79c5f56bed9ea2e50c61a7b06931db4057 SHA-256: 886cc98b13695f45c394b69ded658f96187d8aeab69b3d999a9b9533c992e72b
92 Risk Score

Malware Insights

MITRE ATT&CK
T1566.001 Spearphishing Attachment

The PDF contains a link to a known malicious redirector, botcraftman.ru, which is likely part of a phishing or malware distribution scheme. The ML classifier also flagged this PDF with high confidence. No scripts were extracted from this sample, but the presence of the malicious URL strongly suggests an attempt to lure the user to a harmful site.

Machine Learning

  • Nyx PDF Classifier malicious score 0.9979

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=Sony+vaio+svp132a1cv+%D0%B4%D1%80%D0%B0%D0%B9%D0%B2%D0%B5%D1%80%D0%B0zip&charset=utf-8 In PDF document text
    • http://img0.liveinternet.ru/images/attach/c/7//4830/4830119_rezultatuy__egye__po_.pdfIn PDF document text
    • http://img0.liveinternet.ru/images/attach/c/7//4830/4830140_zvuk_.pdfIn PDF document text
    • http://img0.liveinternet.ru/images/attach/c/7//4830/4830128_battlefield__bad__company_.pdfIn PDF document text

Extracted artifacts 2

Files carved from inside the sample during analysis.

FilenameKindSourceSize
font_00_sfnt_off00056512.bin pdf-font-stream PDF embedded font (sfnt) at offset 0x56512 9464 bytes
SHA-256: 2cbd457db26e16c9bf4ac262757d62da37cae922dc13890728b7d4b739c441b7
font_01_sfnt_off00057f45.bin pdf-font-stream PDF embedded font (sfnt) at offset 0x57F45 17804 bytes
SHA-256: 9ebdd9b9291b4e9a6de09e81b8a054294391632294cdc4d4a92ad90b46ffa8d3

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