Malicious PDF — malware analysis report

Static analysis result for SHA-256 442dc762426f4da2…

MALICIOUS

PDF

377.1 KB Created: 2015-08-22 09:02:28 +03:00 Authoring application: wkhtmltopdf 0.12.2.4 (via Qt 4.8.6)
MD5: 5d652a1ca799dfe1b6c64fd901bb8208 SHA-1: ff75ab77904f044355827173588ec50d066efaec SHA-256: 442dc762426f4da2b50791688b4cb49cf00bf4d71d14ae6e8182731cee4f5b46
68 Risk Score

Malware Insights

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

The PDF file contains embedded JavaScript and a critical heuristic firing for a malicious redirector link. The link points to http://botcraftman.ru/, which is identified as malicious infrastructure. This suggests the document is intended to redirect users to a malicious site, likely for phishing or malware distribution.

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%BF%D0%BE%D0%BA%D0%B5%D0%BC%D0%BE%D0%BD%D1%8B+5+%D1%81%D0%B5%D0%B7%D0%BE%D0%BD+%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
    • http://img0.liveinternet.ru/images/attach/c/6//4674/4674568_chitatelskiy_dnevnik_2_klass_obrazec_oformleniya.pdf
    • http://img0.liveinternet.ru/images/attach/c/6//4674/4674490_pezho_206_sedan_instrukciya_po_yekspluatacii_chitat_onlayn.pdf

Extracted artifacts 2

Files carved from inside the sample during analysis.

FilenameKindSourceSize
font_00_sfnt_off00059b26.bin
7a709fd8b0d72fd44c82c7f107f1a0d25f1ffebc8f8204da6a1203a2edbc1858		 pdf-font-stream PDF embedded font (sfnt) at offset 0x59B26 8680 bytes
font_01_sfnt_off0005b371.bin
c593f550d5c764197f8d5ab422539234b0d9c724e43fc443aa88efb2256443b7		 pdf-font-stream PDF embedded font (sfnt) at offset 0x5B371 15876 bytes

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