Malicious PDF — malware analysis report

Static analysis result for SHA-256 197c87c5074e8ebf…

MALICIOUS

PDF

123.9 KB Created: 2015-08-26 18:53:30 +03:00 Authoring application: wkhtmltopdf 0.12.2.4 (via Qt 4.8.6)
MD5: b2193f8bfcc294bbe89141f18c421d4c SHA-1: 9e847947b245096adae3b8aece88aa28f321f275 SHA-256: 197c87c5074e8ebfe54fc96134975327bd7593f5ff7297da0eb7fe378ed41a38
62 Risk Score

Malware Insights

MITRE ATT&CK
T1566.001 Spearphishing Attachment

The PDF file contains a critical heuristic firing indicating a link to known malicious redirector infrastructure. The embedded URL 'http://botcraftman.ru/?lip&keyword=0&charset=utf-8' is the primary indicator of malicious intent. While no scripts were extracted, the presence of a malicious redirector strongly suggests an attempt to lure the user to a compromised site, likely for further exploitation or credential harvesting.

Machine Learning

  • Nyx PDF Classifier clean score 0.0989

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=0&charset=utf-8
    • http://img0.liveinternet.ru/images/attach/c/7//4762/4762337_rmyes__20_.pdf
    • http://img0.liveinternet.ru/images/attach/c/7//4762/4762152_skachat__maynkraft__0100_.pdf
    • http://img0.liveinternet.ru/images/attach/c/7//4762/4762138_battlefield__bad__company_.pdf

Extracted artifacts 2

Files carved from inside the sample during analysis.

FilenameKindSourceSize
font_00_sfnt_off0001b3a0.bin
5d09fe4c6afa8728740a1fb64b811a52b719e1b477e2369f48c81c58ed60ca21		 pdf-font-stream PDF embedded font (sfnt) at offset 0x1B3A0 8104 bytes
font_01_sfnt_off0001cb18.bin
edeca7060169f364037b7e3b3a1a90b73e09224bebcf5ab8e1bd30f5c1ef2798		 pdf-font-stream PDF embedded font (sfnt) at offset 0x1CB18 12364 bytes

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