Malicious PDF — malware analysis report

Static analysis result for SHA-256 bb98bfcdd450ca85…

MALICIOUS

PDF

42.5 KB Created: 2021-05-15 13:40:36 +07:00 Authoring application: wkhtmltopdf 0.12.6 (via Qt 4.8.7) First seen: 2021-10-01
MD5: 26b17c5836200e78838dab6e3222ddbf SHA-1: db1523a1940db3450e502b4332519050bb7af7f9 SHA-256: bb98bfcdd450ca85678cf61f0342ab622ea8c75b966c425a53f1a58bc30149c7
82 Risk Score

Malware Insights

MITRE ATT&CK
T1566.001 Spearphishing Attachment

This PDF document was flagged as malicious by an ML classifier. The file routes users through malicious redirector infrastructure and presents a deceptive download button. Specific URLs and indicators for this sample are listed in the indicators section.

Machine Learning

  • Nyx PDF Classifier malicious score 0.9971

Heuristics 4

  • PDF links to a 'free generator / game hack' redirector high PDF_GAME_HACK_REDIRECT_LURE
    PDF's clickable action targets a redirector of the form /app/<id>/<slug>-game-hack — the landing-page shape of a large SEO 'free spins / generator / game hack' lure family that funnels victims through rotating disposable hosts to a malware/scam payload. The multi-link variants also trip ML/link-farm rules; this catches the single-link variants that otherwise score clean.
  • 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
  • External URI info PDF_URI
    PDF contains an external URL action
  • 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-hacks-for-android-game-hack PDF link annotation
    • https://datavoiz.com/images/coin-master-free-spins-hack_GM406889139.pdfIn PDF document text
    • https://datavoiz.com/images/free-coinmaster-spins_GM406889139.pdfIn PDF document text
    • https://datavoiz.com/images/will-minecraft-dungeons-be-free_GM479516143.pdfIn PDF document text
    • https://datavoiz.com/images/coin-master-free-spins-link-blogspot-2021_GM406889139.pdfIn PDF document text
    • https://datavoiz.com/images/minecraft-windows-free_GM479516143.pdfIn PDF document text
    • https://datavoiz.com/images/roblox-free-robux-generator_GM431946152.pdfIn PDF document text
    • https://datavoiz.com/images/where-can-i-get-free-spins-for-coin-master_GM406889139.pdfIn PDF document text
    • https://datavoiz.com/images/coin-master-free-spins-link-2021-march_GM406889139.pdfIn PDF document text
    • https://datavoiz.com/images/free-robux-roblox-promo-codes_GM431946152.pdfIn PDF document text
    • https://datavoiz.com/images/roblox-phantom-forces-hack_GM431946152.pdfIn PDF document text
    • https://datavoiz.com/images/coin-master-hack-without-verification-ios_GM406889139.pdfIn PDF document text
    • https://datavoiz.com/images/coin-master-new-cards-hack_GM406889139.pdfIn PDF document text
    • https://datavoiz.com/images/online-hacking-tricks-coin-master_GM406889139.pdfIn PDF document text
    • https://datavoiz.com/images/free-robux-script_GM431946152.pdfIn PDF document text
    • https://datavoiz.com/images/how-to-get-free-gold-cards-on-coin-master_GM406889139.pdfIn PDF document text
    • https://datavoiz.com/images/coin-master-rewards-2021_GM406889139.pdfIn PDF document text
    • https://datavoiz.com/images/roblox-generator-com_GM431946152.pdfIn PDF document text
    • https://datavoiz.com/images/coin-master-free-chest-link_GM406889139.pdfIn PDF document text
    • https://datavoiz.com/images/free-robux-no-download_GM431946152.pdfIn PDF document text
    • https://datavoiz.com/images/free-robux-that-actually-works_GM431946152.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_off00004b63.bin decompressed-pdf-stream PDF FlateDecoded stream at offset 0x4B63 25372 bytes
SHA-256: afe3985b60c395e5b1062fa9909a3354f1fa510502ebc15d33d2e6d21d657530
font_01_sfnt_off0000848e.bin pdf-font-stream PDF embedded font (sfnt) at offset 0x848E 18056 bytes
SHA-256: 59174fbff90841f3d82b951a67024dd49c53f2706d138598019600dd1f76f1a3

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