Malicious PDF — malware analysis report

Static analysis result for SHA-256 f29c4679a55a90a9…

MALICIOUS

PDF

370.1 KB Created: 2015-08-29 04:34:00 +03:00 Authoring application: wkhtmltopdf 0.12.2.4 (via Qt 4.8.6)
MD5: 5e371c76158cab89ea5c43e1b758b0f7 SHA-1: 3231d7a43c0d4801756e5f295526d5cf647c5d6c SHA-256: f29c4679a55a90a99d9cb89d148290e1ce79b68bc56aeb0c03e790e8fbb5abe3
92 Risk Score

Malware Insights

MITRE ATT&CK
T1566.001 Spearphishing Attachment

The PDF contains a heuristic firing for a malicious redirector link pointing to botcraftman.ru. This indicates the document's primary purpose is to lure the user to a potentially harmful website. While no scripts were extracted, the embedded URL is a critical indicator of malicious intent, likely leading to a phishing or malware download site.

Machine Learning

  • Nyx PDF Classifier malicious score 0.9946

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=digital+juice+swipes+19+happy+thoughts+%D1%81%D0%BA%D0%B0%D1%87%D0%B0%D1%82%D1%8C+%D1%82%D0%BE%D1%80%D1%80%D0%B5%D0%BD%D1%82&charset=utf-8
    • http://img1.liveinternet.ru/images/attach/c/7//4819/4819347_kak__uvelichit__fps_.pdf
    • http://img1.liveinternet.ru/images/attach/c/7//4819/4819725_1s__zarplata__i_.pdf
    • http://img0.liveinternet.ru/images/attach/c/7//4818/4818551_skachat__igru__3d_.pdf

Extracted artifacts 2

Files carved from inside the sample during analysis.

FilenameKindSourceSize
font_00_sfnt_off00058153.bin
e26e596b5d5cd8174dd72bbeaa73e515ff23db4742889245e2991cf0fa39afb0		 pdf-font-stream PDF embedded font (sfnt) at offset 0x58153 9840 bytes
font_01_sfnt_off00059b79.bin
85a6acf09c6d50d5ca30c6273a0b2e6d4ea6cd90b97abdcedb47777548328d05		 pdf-font-stream PDF embedded font (sfnt) at offset 0x59B79 14632 bytes

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