Malicious PDF — malware analysis report

Static analysis result for SHA-256 602ba54ac9f63cb9…

MALICIOUS

PDF

351.0 KB Created: 2015-08-29 13:23:37 +03:00 Authoring application: wkhtmltopdf 0.12.2.4 (via Qt 4.8.6) First seen: 2021-11-23
MD5: de20acd50dd187f28f170c62a638c8b4 SHA-1: fb2653717fc52d835b0eb720178875d3ccb90341 SHA-256: 602ba54ac9f63cb954a133ea83a819fc329b40b73ca60f3e9e4a8bd528947fe6
92 Risk Score

Malware Insights

MITRE ATT&CK
T1566.001 Spearphishing Attachment

The PDF contains a critical heuristic firing indicating a malicious redirector link to botcraftman.ru. While no scripts were extracted, the presence of this malicious URL strongly suggests an attempt to lure the user to a compromised or malicious site. The ML classifier also flagged this PDF with high confidence.

Machine Learning

  • Nyx PDF Classifier malicious score 0.9980

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=%D1%81%D0%BA%D0%B0%D1%87%D0%B0%D1%82%D1%8C+%D0%B4%D0%B8%D0%B0%D0%B1%D0%BB%D0%BE+1&charset=utf-8 In PDF document text
    • http://img0.liveinternet.ru/images/attach/c/7//4830/4830603_kartochki__zayceva__skachat_.pdfIn PDF document text
    • http://img0.liveinternet.ru/images/attach/c/7//4830/4830135_vuykroyki__palto__skachat_.pdfIn PDF document text
    • http://img0.liveinternet.ru/images/attach/c/7//4832/4832758_na__pyatdesyat__ottenkov_.pdfIn PDF document text

Extracted artifacts 2

Files carved from inside the sample during analysis.

FilenameKindSourceSize
font_00_sfnt_off0005407d.bin pdf-font-stream PDF embedded font (sfnt) at offset 0x5407D 7992 bytes
SHA-256: 64fb9059377253b3eec0eb468130721353e7797b96151f4a1a4b6f303499b24a
font_01_sfnt_off000556c4.bin pdf-font-stream PDF embedded font (sfnt) at offset 0x556C4 11908 bytes
SHA-256: 2ab5482c1dbf7a3d24d4f63f3338df904aee2bc4252f88c314d1d0b02dde272a

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