Malicious PDF — malware analysis report

Static analysis result for SHA-256 601df25bf5acbc2a…

MALICIOUS

PDF

370.0 KB Created: 2015-08-29 01:20:56 +03:00 Authoring application: wkhtmltopdf 0.12.2.4 (via Qt 4.8.6)
MD5: d7155aaa20761321fa23eb337ac95b90 SHA-1: 924db2926c4811b50b54a726f845f984f343e9a8 SHA-256: 601df25bf5acbc2a116b6da9579e5df5a0ebdb410eb19e677d404da96db104dd
92 Risk Score

Malware Insights

MITRE ATT&CK
T1566.001 Spearphishing Attachment

The PDF contains an embedded link to a known malicious redirector URL, indicating an attempt to lure the user to a harmful site. The ML classifier also strongly flagged this PDF as malicious. While no scripts were explicitly extracted, the presence of a malicious URL suggests the PDF is designed to facilitate further malicious activity, such as phishing or malware delivery.

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=%D0%BC%D0%B8%D1%85%D0%B0%D0%B8%D0%BB+%D0%B1%D1%83%D0%B1%D0%BB%D0%B8%D0%BA+%D0%B2%D1%81%D0%B5+%D0%BF%D0%B5%D1%81%D0%BD%D0%B8+%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+%D1%82%D0%BE%D1%80%D1%80%D0%B5%D0%BD%D1%82&charset=utf-8
    • http://img0.liveinternet.ru/images/attach/c/7//4818/4818042_vladimir__zhuravlev__muy_.pdf
    • http://img1.liveinternet.ru/images/attach/c/7//4817/4817575_obrazec__zayavleniya__na_.pdf
    • http://img1.liveinternet.ru/images/attach/c/7//4817/4817756_igrat__v__gta_.pdf

Extracted artifacts 2

Files carved from inside the sample during analysis.

FilenameKindSourceSize
font_00_sfnt_off00058415.bin
afd843e806c9cb42e20123ad7b6795655b89f745a312aff4797fe6983f066508		 pdf-font-stream PDF embedded font (sfnt) at offset 0x58415 7364 bytes
font_01_sfnt_off00059992.bin
a2dd24bf4da0881c876632012aeb47d3c07ae7989ed27b204e4342ef6de3c63d		 pdf-font-stream PDF embedded font (sfnt) at offset 0x59992 14516 bytes

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