Malicious PDF — malware analysis report

Static analysis result for SHA-256 bee04b71d8984451…

MALICIOUS

PDF

42.7 KB Created: 2021-05-15 01:40:51 +07:00 Authoring application: wkhtmltopdf 0.12.6 (via Qt 4.8.7) First seen: 2026-06-04
MD5: a5afdfb3c76d6ce065515858bebeb87d SHA-1: d6667ced13790cf43029d1e9949a8be9c2498195 SHA-256: bee04b71d89844512fe1f195e7813b7819b5054c3bb30adad2a994d28d087c86
100 Risk Score

Malware Insights

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

The PDF contains embedded links and a visual download button, directing users to download potentially malicious applications related to game hacks. The ML classifier and redirector link heuristic strongly indicate malicious intent. The primary IOC is the initial redirector URL, which likely leads to a malicious payload.

Machine Learning

  • Nyx PDF Classifier malicious score 0.9971

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/406889139/coin-master-3.2-hack-apk-download-game-hack In PDF document text
    • http://rexingen.info/images/coin-master-twitter_GM406889139.pdfIn PDF document text
    • http://rexingen.info/images/free-robux-hack-us_GM431946152.pdfIn PDF document text
    • http://rexingen.info/images/coin-master-hack-extension_GM406889139.pdfIn PDF document text
    • http://rexingen.info/images/20210-robux_GM431946152.pdfIn PDF document text
    • http://rexingen.info/images/how-to-hack-coin-master-without-root_GM406889139.pdfIn PDF document text
    • http://rexingen.info/images/daily-coin-master-free-spins_GM406889139.pdfIn PDF document text
    • http://rexingen.info/images/robloxmatchcom-free-robux_GM431946152.pdfIn PDF document text
    • http://rexingen.info/images/minecraft-redeem-code-free-2021_GM479516143.pdfIn PDF document text
    • http://rexingen.info/images/how-to-hack-roblox-to-get-free-robux_GM431946152.pdfIn PDF document text
    • http://rexingen.info/images/coin-master-free-spins-5-10-2021_GM406889139.pdfIn PDF document text
    • http://rexingen.info/images/a-lot-of-robux_GM431946152.pdfIn PDF document text
    • http://rexingen.info/images/coin-master-free-spins-cheat_GM406889139.pdfIn PDF document text
    • http://rexingen.info/images/how-to-get-robux-easy_GM431946152.pdfIn PDF document text
    • http://rexingen.info/images/robux-generator-that-works_GM431946152.pdfIn PDF document text
    • http://rexingen.info/images/complete-offers-for-robux_GM431946152.pdfIn PDF document text
    • http://rexingen.info/images/free-minecraft-skins-pc_GM479516143.pdfIn PDF document text
    • http://rexingen.info/images/25-free-spins-coin-master_GM406889139.pdfIn PDF document text
    • http://rexingen.info/images/free-daily-spins-coin-master_GM406889139.pdfIn PDF document text
    • http://rexingen.info/images/how-can-i-get-free-robux_GM431946152.pdfIn PDF document text
    • http://rexingen.info/images/coin-master-game-hunters-club_GM406889139.pdfIn PDF document text
    • http://en.wikipedia.org/wiki/MIT_LicenseIn PDF document text

Related samples 8

Ranked by shared artifacts, heuristics, extracted URLs, CVEs, and signatures.

Full JSON: related samples API

Extracted artifacts 2

Files carved from inside the sample during analysis.

FilenameKindSourceSize
stream_003_off00004948.bin decompressed-pdf-stream PDF FlateDecoded stream at offset 0x4948 24904 bytes
SHA-256: 622d92a93f1dfe12dad677c34ec10425d728ce548801db5ed9fb741eb8b4661a
font_01_sfnt_off000082b1.bin pdf-font-stream PDF embedded font (sfnt) at offset 0x82B1 18836 bytes
SHA-256: a2a09b45cdc42cc034e3f60c55065a9e451be26fa19dd9174d2e19d5be880ab5

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