Malicious PDF — malware analysis report

Static analysis result for SHA-256 6da5157f605f5412…

MALICIOUS

PDF

378.6 KB Created: 2015-08-22 08:50:53 +03:00 Authoring application: wkhtmltopdf 0.12.2.4 (via Qt 4.8.6)
MD5: a814641baa956436286fbdde5fe08e9a SHA-1: 9285148fabb6ffb1275e94301f61c87314cf2449 SHA-256: 6da5157f605f5412c711d1eaede7b8ac9ccfb2620009927362898c1e135d2dfe
92 Risk Score

Malware Insights

MITRE ATT&CK
T1566.001 Spearphishing Attachment

The PDF file was flagged by multiple heuristics as malicious, specifically for containing a link to known malicious redirector infrastructure. The embedded URL `http://botcraftman.ru/...` is highly suspicious and likely serves as a lure to a phishing or malware distribution site. No scripts were extracted, but the presence of the malicious link strongly indicates an attempt to redirect the user to a harmful destination.

Machine Learning

  • Nyx PDF Classifier malicious score 0.9972

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=friends+2+%D1%83%D1%87%D0%B5%D0%B1%D0%BD%D0%B8%D0%BA+%D1%81%D0%BA%D0%B0%D1%87%D0%B0%D1%82%D1%8C+%D0%B1%D0%B5%D1%81%D0%BF%D0%BB%D0%B0%D1%82%D0%BD%D0%BE&charset=utf-8
    • http://img0.liveinternet.ru/images/attach/c/6//4674/4674470_kod_registracii_dlya_dead_space_1.pdf
    • http://img0.liveinternet.ru/images/attach/c/6//4674/4674463_skachat_igru_garrys_mod_13_s_modami_cherez_torrent.pdf

Extracted artifacts 2

Files carved from inside the sample during analysis.

FilenameKindSourceSize
font_00_sfnt_off00059d47.bin
044c1def5800c0094299ba9b23aced4e30c635633501432119da6d695ddb22e2		 pdf-font-stream PDF embedded font (sfnt) at offset 0x59D47 10096 bytes
font_01_sfnt_off0005b8e8.bin
f27d850633475f8b310a92c18a38fc530ca5a1477d98b371e6557db745afc3bf		 pdf-font-stream PDF embedded font (sfnt) at offset 0x5B8E8 16744 bytes

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