Malicious PDF — malware analysis report

Static analysis result for SHA-256 5bddceb25de70362…

MALICIOUS

PDF

35.8 KB Created: 2021-05-20 16:50:11 +07:00 Authoring application: wkhtmltopdf 0.12.6 (via Qt 4.8.7) First seen: 2026-06-04
MD5: 1eecb7d1718f3ccba50758a3ef46eacd SHA-1: 7803fd26d2090916226e617b155bd2b66d9c8c65 SHA-256: 5bddceb25de703625a03234ad831d65f7f0f28b793b2ca4ebd1e1e002bbcfa12
100 Risk Score

Malware Insights

MITRE ATT&CK
T1566.001 Spearphishing Attachment T1204.002 Malicious Link

The PDF contains embedded links that redirect to malicious infrastructure, specifically promoting a Minecraft hack client. The presence of a visual download button and the ML classifier's high confidence score further support the malicious nature of this document. The primary goal appears to be tricking users into downloading potentially harmful software.

Machine Learning

  • Nyx PDF Classifier malicious score 0.9492

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.
  • Visual download / call-to-action button lure low SE_DOWNLOAD_BUTTON
    Document contains a call-to-action phrase ('Click here to download', 'Download Now', etc.) — low-signal unless other findings point to a malicious workflow
  • 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 https://netcdn.xyz/app/479516143/minecraft-hack-client-1.8-9-game-hack In PDF document text
    • http://3dmedicus.ru/images/coin-master-free-coins-2021_GM406889139.pdfIn PDF document text
    • http://3dmedicus.ru/images/coin-master-free-spins-link-no-verification-2021_GM406889139.pdfIn PDF document text
    • http://3dmedicus.ru/images/how-to-hack-roblox-passwords_GM431946152.pdfIn PDF document text
    • http://3dmedicus.ru/images/robux-cheat_GM431946152.pdfIn PDF document text
    • http://3dmedicus.ru/images/coin-master-codes_GM406889139.pdfIn PDF document text
    • http://en.wikipedia.org/wiki/MIT_LicenseIn PDF document text

Extracted artifacts 2

Files carved from inside the sample during analysis.

FilenameKindSourceSize
stream_002_off00003382.bin decompressed-pdf-stream PDF FlateDecoded stream at offset 0x3382 24488 bytes
SHA-256: 2682357f91daddda06f3304aad15e09892a6ad6764563f240ea3cd02c9d7b088
font_01_sfnt_off00006a6b.bin pdf-font-stream PDF embedded font (sfnt) at offset 0x6A6B 18356 bytes
SHA-256: 7146a4451d5a4af0805248e1a25bf748bd62d3cefbd8f089093f6989f2885b31

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