Malicious PDF — malware analysis report

Static analysis result for SHA-256 38002497ee473458…

MALICIOUS

PDF

41.3 KB Created: 2021-05-16 20:18:00 +07:00 Authoring application: wkhtmltopdf 0.12.6 (via Qt 4.8.7) First seen: 2021-09-17
MD5: 5031735682f74cd48764fd455a08143b SHA-1: b4c084536443c29a5b2539f406b8f6b5a739941f SHA-256: 38002497ee4734585e6c0666b828952b97f4a092e8caf0392c0b169acbbb2072
82 Risk Score

Malware Insights

MITRE ATT&CK
T1566.001 Spearphishing Attachment

The PDF document contains multiple links to external websites that promise game hacks and generators, such as 'Spin Link Coin Master Game Hack'. These links are designed to lure users into clicking them, likely leading to a scam or a download of malicious content. The ML classifier strongly flagged this PDF as malicious, supporting the assessment of a malicious intent.

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/spin-link-coin-master-game-hack PDF link annotation
    • https://cluster-consulting.com/images/free-robux-scam_GM431946152.pdfIn PDF document text
    • https://cluster-consulting.com/images/orewards-com-free-robux_GM431946152.pdfIn PDF document text
    • https://cluster-consulting.com/images/how-to-get-free-robux_GM431946152.pdfIn PDF document text
    • https://cluster-consulting.com/images/haktuts-coin-master-free-spin-link_GM406889139.pdfIn PDF document text
    • https://cluster-consulting.com/images/how-to-get-20210-robux-for-free_GM431946152.pdfIn PDF document text
    • https://cluster-consulting.com/images/how-to-hack-minecraft_GM479516143.pdfIn PDF document text
    • https://cluster-consulting.com/images/free-robux-human-verification_GM431946152.pdfIn PDF document text
    • https://cluster-consulting.com/images/robux-game_GM431946152.pdfIn PDF document text
    • https://cluster-consulting.com/images/how-to-hack-to-get-robux_GM431946152.pdfIn PDF document text
    • https://cluster-consulting.com/images/coin-master-hack-2021-no-survey_GM406889139.pdfIn PDF document text
    • https://cluster-consulting.com/images/free-robux-groups-2021_GM431946152.pdfIn PDF document text
    • https://cluster-consulting.com/images/coin-master-hacks-for-android_GM406889139.pdfIn PDF document text
    • https://cluster-consulting.com/images/how-to-hack-roblox-2021_GM431946152.pdfIn PDF document text
    • https://cluster-consulting.com/images/free-robux-no-verification-2021_GM431946152.pdfIn PDF document text
    • https://cluster-consulting.com/images/free-coins-coin-master-link_GM406889139.pdfIn PDF document text
    • https://cluster-consulting.com/images/coin-master-free-spin-app-apk_GM406889139.pdfIn PDF document text
    • https://cluster-consulting.com/images/free-robux-for-free_GM431946152.pdfIn PDF document text
    • https://cluster-consulting.com/images/free-spins-for-coin-master-2021_GM406889139.pdfIn PDF document text
    • https://cluster-consulting.com/images/roblox-fun-com-free-robux_GM431946152.pdfIn PDF document text
    • https://cluster-consulting.com/images/7-year-old-roblox_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_off0000489a.bin decompressed-pdf-stream PDF FlateDecoded stream at offset 0x489A 24220 bytes
SHA-256: 1586a04b54b735158115f404f17be37e57ec8f411173e3ec9ad61fd5c2665051
font_01_sfnt_off0000800c.bin pdf-font-stream PDF embedded font (sfnt) at offset 0x800C 17892 bytes
SHA-256: 36e2a9e8d5493d71a45802091441cfba4dbdcc3e1acf36cfa44a264c3c73fcb6

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